tag:blogger.com,1999:blog-18114622354520919722024-03-19T02:39:16.546-07:00The first fully solar powered narrowboatDesigning and constructing a narrowboat that solely utilises solar energy for propulsionMartinhttp://www.blogger.com/profile/00534181944677918979noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1811462235452091972.post-11459829269448020552012-05-22T12:46:00.002-07:002017-05-07T03:20:01.995-07:00<div dir="ltr" style="text-align: left;" trbidi="on">
<span style="mso-tab-count: 5;"> </span><span style="font-size: x-large; mso-bidi-font-size: 12.0pt;">‘</span><span style="font-family: "tekton pro ext"; font-size: 18pt;"><span style="font-size: x-large;">Impulse’</span></span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif; font-size: large;">Impulse, according to my research, is the first viable fully solar powered narrowboat (meaning it doesn't employ an auxillary power supply).</span></div>
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<span style="font-family: "arial";">I began developing the idea over the last few years whilst reading about advances in electric cars; it's clear we have passed the peak in world oil reserves and fuel will only get gradually scarcer and along the way more and more expensive. We also of course need to do all we can to reduce carbon emissions, so it seems obvious that some sort of similar solution for boats is necessary for the long term enjoyment of the waterways. </span></div>
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<span style="font-family: "arial";"> </span><span style="font-family: "arial";">I'm employed in video production these days, but trained originally as an electrical engineer, and my motivation was not so much to acquire a new boat as to see if I could dust off my old skills and make the notion work in practice.</span></div>
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<span style="font-family: "arial";">The idea continued germinating while studying developments in both electric vehicle and solar technology. Recent advances in fitting panels to houses has led to rapid development of solar panel efficiency. One afternoon, while looking at a house roof recently fitted up, it became clear to me that the standard size solar panel (about 1.5 x 1m) is pretty well suited to a narrowboat roof, which (dependent on its length) provides space for quite a few. I began to research what might have already been done in this regard. Lots of boats are now fitted with solar to help recharge batteries for domestic arrangements of course, but what about propulsion?</span></div>
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<span style="font-family: "arial";">I found plenty of references to small solar powered leisure boats, and there is even an electric boat association. There are some diesel-electric hybrids that use electric propulsion and a diesel motor to generate that electricity, but scant information on full size liveaboard boats that worked effectively through solar generation alone. The realisation I wasn't finding clear references to fully solar powered narrowboats that work well in practice led me to conclude there must be some inherent problem, and I began to realise that main issue for current technology must be the relatively massive weight of a traditional steel hulled narrowboat</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">All that dense metal leads to a huge moment of inertia and
requires fairly massive energy to get the bulk moving or slow it down. That
would eat away hungrily at any stored electric energy and seems the reason why
narrowboats generally depend on high torque multi-cylindered diesel engines –
despite all the disadvantages of mechanical problems, (cost, maintenance, noise
and fumes).</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">I began to come to
the view that for the idea to work with emerging technology a much lighter hull
would be required. In mid 2011 I spotted a suitable candidate. The boat I later named ‘Impulse’ was a
32ft narrow-beam hull launched in 2010 and built by small Lancashire boat-builder
Blondboats employing GRP construction. Inspection showed her
to be a sturdy craft but in GRP light enough to propel easily and just the right dimensions.
Facilities included a forward cabin sleeping two, a main cabin - with four seats
and two tables that converted to two more berths, a well-appointed kitchen area
with fridge, cooker and sink, and a bathroom with fitted shower and cassette
toilet.</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Using fibreglass for narrowboat has the additional advantage that the lower weight means a smaller draft, so they do not often ground and get stuck where steel boats do, or when water levels are low. They are plenty strong enough for marine use, as evidenced by the considerable number of 30 or 40 year old GRP boats you see on the waterways.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The boat already had a
small solar panel fitted (80 watt) but this would be nowhere near adequate to
power the boat (it would probably take several weeks for this to generate
enough power for a day’s cruise), so this would be best left devoted to the
lighting and other domestic arrangements. I was already fairly certain that a
pretty significant array of panels would be needed for drive purposes.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Impulse also came
with a mount for fitting a conventional fossil-fuel outboard motor to the stern, but although one can easily be retrofitted, I had the bit
between my teeth now and didn’t want to fall back on one at this stage, - so into storage it went. My
committment needed to be to full solar power so that I wouldn’t be tempted to compromise. It was going to be quite a challenge. Let the calculations begin!</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The first problem was
that I had no body of other people’s experience to fall back on. How could I
work out how much energy an electric motor would need for an average cruise? And
how many panels would be required to supply that? I realised the battery bank
was not the main issue, so long as it was big enough to enable a decent cruise,
the limiting factor would be how much energy could be harvested over what
period of time to replenish it. Although the larger the battery bank the
better, as then it doesn’t involve running it to as low a state of discharge
and so the batteries will last longer. (There is a direct link between D.O.D.
[Depth Of Discharge] and battery life cycles). </span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The LMC electric
motor fitted at the stern</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Some thought needs to
be given to weight distribution. Impulse uses two battery banks, one
in the stern, near to and feeding the motor, (Four Numax Marine 95ah batteries) and to counterbalance that weight,
I constructed for the domestic power supply two additional battery boxes (each
taking three batteries), that doubled as seats either side in the bow cratch
area. By way of compensation for the weight of the batteries, we would be doing
without the much greater weight of a diesel engine and gearbox.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">These boxes would
also serve as somewhere to sit up front as well as house the batteries
supplying the domestic arrangements (lighting, water pumps, fridge, entertainment, phone charging and bilge-pump). Impulse was already fitted with Halogen
cabin lighting. Although these were ample (a dozen fittings), I changed them
all to LED lights for efficiency (each LED bulb uses 5% of the power of one of
the halogen lamps), and added a LED fitting to the stern area for sitting out
late, and two bedside LED reading lamps for comfort. I also added a power
source for the sound system and two 12v power sockets to the front cabin to
supply laptops, charge mobile phones etc.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Fitting the front
battery box that will also double as a cratch area seat.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The 80-watt panel was
fixed transversely at the bow end of the roof to charge the domestic battery
bank (to be located in the bow area battery boxes). I would have preferred to use a
larger panel, but needed to use a slim panel to retain maximum space for the
main solar array that would supply the traction power. No matter, as panel
technology improves I should be able in a few years to replace this panel with
one probably double the output yet still the same size.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">I calculated the maximum I could probably fit on the roof would be approaching a kilowatt of energy for the main solar array, so finally
settled on 4 Sharp panels providing a total of 880 watts. There are many
cheaper panels available, but I wanted quality and assured output and most of
the advice I gained referenced Sharp as the best available.</span></div>
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for solar array</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Much thought went into engineering the mounting system. I ascertained that solar panels should
not be mounted horizontally (not least to allow for rainwater
run-off), they are of course much more efficient if they can be angled
towards the sun.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">I settled for
engineering a system to hinge them centrally on alloy mounting bars that are
firmly bolted through the main centreline of the boat roof. The bars allowed for a small
amount of rise at the centre, and that combined with the fall-off of a curved roof allows them to be tilted quite considerably towards either side of the boat. Of course
I couldn’t stop there, not with the potential for high winds catching them, so I engineered a system of sturdy alloy braces that could be simply
swapped from one side of the boat to the other as required. </span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">When the boat is mainly
travelling East to West or vice-versa; I figured they could all be tilted to
the South. When the boat was travelling mainly North-South I could tilt two
towards the morning light and two for maximum benefit during the afternoon.
Note the Torx security fittings that need a special tool to operate.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Solar panels actually
generate electricity under any amount of light, even under moonlight, but the
yield massively increases under the sun - and if they can be angled towards its
area of the sky. Of course, unlike a house, a boat changes direction frequently, and this
arrangement I thought would give maximum flexibility to deploy the panels according to
the main direction of travel. I could tilt them all one way for mainly east/west travel</span><span style="font-family: "arial" , "helvetica" , sans-serif;">, leave them balanced out if direction is going to vary
often, or even set them flat if so desired.</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Front Cabin, with
doors to bow cratch area </span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The two single berths
slide easily together to form a double if required, and you can see the low level reading
LED spots installed and part of the bookcase that I fitted in. There
are plenty of useful storage drawers underneath the beds and at the front. </span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Although 'Impulse' is a futuristic boat in most ways, we hung the classic 'Roses' mirror you see on the right as a homage to narrowboat tradition.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">I am currently back home again to catch up with work demands. The project is proving a very real (but enjoyable!) distraction. Impulse is moored
near the Liverpool end of the Leeds - Liverpool canal, so that is where all
the work needs to be done, quite a bit of driving is involved in shuttling
back and forth at the moment (late 2011). I reassure myself this will
eventually be outweighed by the promise of cost and pollution free cruising
ever after.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Not only will
cruising be free but I've decided heating will too – though we’ll sometimes have
to choose between that and traction power. I’ve located a source for new 24
volt fan heaters, - normally used by truckers to heat the lorry cabin on
overnight stays. This I’ve fitted in the main cabin and wired up to the 24v battery bank. In poor weather
you can choose to stay moored, switch it on and use the energy harvest to heat
the boat instead of to cruise. In very hot weather you can even use it as a cold air fan. I’ve
also acquired a 24 volt timer, which will allow it to come on automatically for a period each
evening, when the boat is left moored and unattended, thereby using some of that day’s free energy harvest to warm or ventilate the boat
and keep condensation (the bane of many a boat) at bay .</span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">I’m pleased these
developments are turning ‘Impulse’ into a very low cost live-aboard as well as
cruiser, and one with a negligible carbon footprint.</span><br />
<br />
<br />
<br /></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The Marina, Autumn
2011</span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">Between these
engineering works the boat is being painted externally (recently built, much of
it remains in primer grey). Other additions are also being made, such as a
small wardrobe to maximise storage space, pictures hung to make it homely,
shelves added to the kitchen cupboard and conveniences like a foot-operated
switch for the bathroom tap installed.</span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Now for some
electrical engineering. </span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">I knew I would need a
solar controller to sit between the solar panel array and battery bank. Many
are available, but research began to reveal that not all are equal. Having
studied electrical engineering helped immensely here. With much reading I
worked out that certain types of modern solar controllers, called MPPT
(Multiple Power Point Tracking), could yield as much as a 30% greater energy
harvest from panels as their output varies across the day, - in comparison with
standard controllers. When it comes to interfacing with your batteries, the
other desirable feature is PWM (Pulse Width Modulation) charging algorithms –
and you need a sufficiently varied range of these to cater for the various
battery types you might employ. Battery types vary immensely and they all
benefit from a charging routine tailored specifically for them. Despite the far
eastern solar controllers all being much cheaper, I eventually settled on the
Tristar, a western controller with a reputation as a rugged and reliable
no-frills device, easy to monitor but with everything needed to do the job
properly.</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The Tristar</span></div>
<div style="text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">Here is the write up
for the technically minded: </span></div>
<br />
<i>TriStar: Solar Controller with Maximum Power Point
Tracking<o:p></o:p></i><br />
<i><br />
Morningstar’s TriStar MPPT solar controller with TrakStar Technology is an
advanced maximum power point tracking (MPPT) battery charger for off-grid
photovoltaic (PV) systems up to 3kW. The controller provides the industry’s
highest peak efficiency of 99% and significantly less power loss compared to
other MPPT controllers. The TriStar MPPT features a smart tracking algorithm
that maximizes the energy harvest from the PV by rapidly finding the solar
array peak power point with extremely fast sweeping of the entire I-V curve.
This product is the first PV controller to include on-board Ethernet for a
fully web-enabled interface and includes up to 200 days of data logging.</i><br />
<br />
<br />
<i></i><br />
<i><o:p></o:p></i><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The Sigma Drive (and
dust from drilling its mounts!)</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The LMC motor is
built in Devon and is used in fork lift trucks, elevating platforms and such
like. Directly connected to the propeller shaft it needs no gearbox (one of the
beauties of electric drive) but prefers 24v DC and needs heavy duty cabling to handle
the high currents involved. It usually interfaces with a box called the Sigma
Drive designed to handle these currents. Essentially the Sigma Drive converts
low current DC signals from the forward/reverse control and accelerator to the
high currents the motor needs. I found a suitable cabinet to safely house the Sigma Drive,
shown above during installation. Note the battery isolator key fitted below and
the circuit breaker, which acts as a fuse and kicks out if the current drawn
exceeds a fixed value. It is easily reset but acts as a useful reminder of current draw as well as a safety device. I am using a 50 amp version here, well within the motors limits, but high enough to allow bursts of power for manouvering. I am basing my calculations on around 30 amps draw for normal cruising.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Main Solar array now fitted</span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
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<div style="text-align: center;">
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">The motor controller required some
inventiveness. Fork Lift Trucks, Electric Cars, and Golf Carts: - all use a
foot-pedal for the accelerator, which is hardly appropriate for a boat. A simple
rheostat (variable resistor such as volume control on an amplifier) would
suffice to send the variable speed signal to the Sigma Drive, but the only one
we could find that matched electrically took 8 rotations from end to end! To gear this down to half a
turn and create a more boat friendly lever operated speed control we used nylon gears in a
wooden case:</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The motor controller </span></div>
<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span></div>
<div style="text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;">On the right you can
see the black control box with forward /reverse switch. The colour coded cabling was
protected by heat shrink then connected to a multi way plug allowing ready
disconnection from the Sigma Drive in its case. The lead allows the control box
to be quick release mounted at the side of the seat where you sit whilst
helming, and then easily unplugged and taken away or locked in the cabin when you are leaving the boat. A simple arrangement, but all the more effective and reliable for
that.</span><br />
<br />
<span style="font-family: "arial";"></span><br />
<span style="font-family: "arial";">The Sigma drive also has a connection for a 'Deadman' switch. This is normally connected to a pressure operated seat switch on a fork-lift or buggy, so that if the driver falls or is knocked off, the motor is automatically cut out. I wired this to a small jack socket on the black box and constructed a leash that fits over the helmsman's wrist and plugs in the socket. If the helmsman falls over, or in the water, the plug will pull out and the motor and boat should stop pretty swiftly</span><br />
<span style="font-family: "arial";">.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">At this point I
decided the boat needed further refinements. I wanted to replace the
complicated bracing for the stern cover with something that doubled as a stern
rail and seat mount as well as canopy frame; Making it easy to fit and remove
the stern cover, as well as provide seating and a backrest for two people at
the helm. This is the arrangement I designed:</span></div>
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<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">Casting around
locally I'm lucky to find a Lancashire artist who specialises in metalwork,
likes the project, and is willing to fabricate to these specs. Job
commissioned, off he goes to begin construction. Meanwhile I'm preoccupied
with final fitting up and testing of the charging and drive system.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">How to wire the
panels to the Tristar bemused me initially, series or parallel? Series has the
advantage that higher voltages mean lower currents so less loss through the
wiring; (not that this was a major consideration as I was using the
professional cable specifically designed for solar arrays).<span style="mso-spacerun: yes;"> </span>However four Sharp panels in series produce
around 145 volts and the Tristar is rated at 130v maximum input. I decided to
wire the panels in series pairs and parallel them together into one feed to the
Tristar. Each pair would produce about 72 volts, and this has the advantage
that they can be spread in pairs, so one of each pair is angled for morning sun
and one for afternoon when travel direction is mainly North –South or vice
versa.</span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">It’s not a good idea
to connect panels under load. Four large Sharp panels produce a considerable
amount of electricity, and too sudden a surge of power is the likely result. You can either
hook up at night or do as I did, cover the panels with a large piece of opaque
cardboard (from the packaging the panels came in), wire up, then remove the
cardboard creating a false ‘dawn’. I wired up the first pair initially late in the afternoon, went up
and removed the covers then hopped back down to check the Tristar. This clever
piece of kit was going through its start-up routines beautifully and all was
correct according to the instruction manual. I then did the same with the
second pair of panels, hooking them in parallel to the first pair. Soon the
battery voltage indication was rapidly climbing, even faster than I had hoped,
and by the following lunchtime the drive battery readout was blinking green happily,
indicating the batteries were already in 'float' state.</span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<br />
<div style="text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;">It was a windy day,
but the sun was shining, and we couldn’t resist taking ‘Impulse’ out for a
trial run. Exiting the marina under our own power was exhilarating and soon we
were cruising down towards nearby Liverpool. First impressions exceeded all
expectations. The electric motor was extremely quiet and we were able to
purr along almost noiselessly, relaxing at the stern with not a hint of fossil
fumes. This was what more than half a year of work was all about and we basked
in the rewards. All this energy we were using was absolutely free and harvested
from the benevolent sun. </span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"></span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"></span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;"></span><br />
<div style="text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;">
</span>
<br />
<div style="text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;">A few hours cruising
south near the Lancashire coast was enjoyed before we decided to return to
base. I couldn’t find a winding point so decided to make a turn mid canal. I
was surprised how easy this actually was. Not quite a three-point turn, but
still not too taxing. An advantage of a 32 ft boat compared to the 70 ft giants. Soon we were making our way back to the marina. </span></div>
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<div style="text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;">Unfortunately the
wind was by now picking up considerably and when we reached base it was gusting
very strongly! Here came our problem of the day. I was keeping a tight line on the
tricky 90-degree turn under a narrow bridge into the marina, when at that moment
a large gust hit us and the motor simultaneously cut out so we were helplessly
blown right by, - much to my chagrin! Use of the pole enabled a soft landing on the
bank so we moored up and I began looking for the motor problem. Luckily the
wiring layout is fairly straightforward so it was soon located. One of the push
fit connectors to the speed potentiometer had simply worked loose. These would
be soldered permanently the next day, but pushing it back in place temporarily
allowed us to negotiate our return, despite the wind, and we cruised into base
happy with our experience.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">A place to relax.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">That good weather day
was unfortunately not typical of late March in the north west of England. Many days are wet and windy and this
has been slowing up our work on the outside of the boat. We had planned to get away and start cruising in April,
but although our metal artist has now fabricated the stern rail, we can’t
even find a good day to have it fitted. At last the weather forecast indicates
a reasonable day so we arrange and have the rail fitted, then attach the
pre-prepared wooden seat assembly to the adjustable brackets provided for it. The seat could do with being longer if you wanted to seat three or four at the stern, but can be easily replaced and will work perfectly well for two of us</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">We have now decided the boat deserves a new stern canopy to match the new stern rail. The old one is heavy duty PVC, very
bulky when removed and PVC doesn’t breathe, so quite a bit of
condensation builds up under it at times. Unfortunately as far as I was aware to this point, the choice was either that or canvas
which is not as strong and eventually needs re-waterproofing. A visit and
advice from a boat canopy specialist yields new understanding and leads us to order a custom canopy made of a
newly developed top-line material called Weathermax. A (very) expensive, but strong
material highly waterproof yet still breathable. The best of all worlds. Our
design allows it to be in two halves, a lower wrap–around ‘skirt’ that we
can leave on if the day is iffy or there is a cool wind, and top cover or
‘roof' for the stern area.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The next day we
finally say goodbye to the boat’s winter home, and set off cruising. The new
canopy will need to be fitted ‘en route’. We are overjoyed to be finally on our
way, though we can’t go too far as the canopy still has to come to us. We
cruise a few miles up to New Lane, but find we don’t have a British
Waterways key for the swing bridge, so moor along the towpath for the night. </span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">I was really pleased
to find the batteries were back up to full by mid morning, but we were waiting
for British Waterways to arrive with a key. After their prompt arrival we were
sorted for that, but still couldn’t go too far as the canopy had to be delivered. Out
came our folding bikes and we spent the day cycling around the area and exploring. </span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The following day we
decide just to move a little way. One of the advantages of canal cruising is that the pace is so leisurely you really
do get to know the immediate area well, and cruising so gently there is time to look at
the landscape and wildlife. The banks were full of new duck and moorhen
families, and we were pleased that our quiet progress didn’t seem to be
disturbing them at all. We move up to the Farmers Arms where the canopy maker can get his van nearby and moor up in anticipation. After a phone call we learn delivery cannot be arranged for today, so out come the bikes again and local exploration begins anew. </span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Laid up at the
Farmers awaiting the stern canopy</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Amtrim arrive the
following morning and all day was spent fitting the new canopy. By afternoon they
realise an adjustment is needed and so the job can’t be completed. Away
went the canopy for some evening sewing and they return early the next day when we get a perfect fit.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The day is still
young and the weather fair so it seems time for a decent cruise. On to
Burscough, where we refill our water tanks, on past the Rufford Junction,
through Parbold and on to Appley Bridge it was to be – just over six miles in total,
at a leisurely enjoyable pace around walking speed. We enjoy the sights that drift past.
Waterside sculpture gardens, farm workers harvesting asparagus, old flour
mills, rolling meadows – all unfold before us like a slow cine film. Often we
are bouncing comments from towpath walkers who are interested in the boat.
One thinks we must have a big TV to have so many panels! But others cotton
on and ask if we are solar powered; - they seemed amazed to have it
confirmed, as if they couldn't quite believe it. Some, like the woman on the bridge as we pass under, comment:
“That’s a quiet boat”. - “How wonderful!” she responds, when we explain why. Mostly
however no one is around as we purr through the countryside, so we
are able to concentrate on enjoying the view and our quiet, fume free progress across the
surface of Lancashire.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">As evening draws in
and with the battery level reading yellow (around 50% down) we moor just
before the deep lock at Appley Bridge, and settle in for the night in a lovely
spot with natural beauty all around.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">We woke to a
beautiful morning with our panels soaking up the sun and went off to explore.
Returning around lunchtime I find to my delight that the battery level is right up to
green blinking already (over 90%) This is better than expected. I had worked on
the basis that it would be fine if we could cruise every other day and recharge
on that and the next. Two days charging for one of cruising would suit us
perfectly; after all, we want some time to explore the new area we have moved
to. It’s now clear that in good weather, you can be recharged again by the following lunchtime and so cruise
every afternoon if you want – all without paying a penny at the pump! Everyone seems to agree that its not the point of boating to move continuously anyway.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Appley Deep Lock is
our first lock, and it feels cavernous cruising the boat into its empty depth. A
boater moored nearby comes over to help and oversee our novice working of it, and we
emerge happily to cruise on until we can tell we are on the outskirts of
Wigan. Time to lay up.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Another sunny morning
followed and the batteries were again up by lunchtime so we cruised down
through Ell Meadow and Pagefield Locks and right into the centre of Wigan past
the famous Wigan Pier, once a coal wharf, which gained notoriety through George
Orwell’s book ‘Road To Wigan Pier’.</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Cruising into Wigan</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">We moored up for the
night at the British Waterways Offices near the centre of town, where they
thoughtfully provide a few 48-hour visitor moorings. Awaking next day to wet
and windy weather, we decided to leave the boat moored and go and explore the
town. We are fortunate enough to happen on the Trencherfield Mill with crowds
of people going in. Right on time to see the mightiest mill engine in the world
being fired up, (A steam leviathan with two gigantic cylinders named 'Helen' and 'Rina' - no doubt the mill owners daughters), and what a spectacular sight it is. Browsing exhibits, shopping
and a Classic Car show take up the rest of the day.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Wigan Pier</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">This evening we have
a decision to make. Do we turn south and head down the Leigh branch? Or turn
north and continue on the Leeds and Liverpool for a long climb into and over the
Pennines? We decide that while we have the chance and are in the area we ought
to explore more of the Leeds and Liverpool (Britain’s longest canal), even if
we don’t have time to travel it all. The fly in the ointment is that immediately in
our path lies the legendary ‘Wigan Flight’ of locks: 23 locks in quick
succession! The ‘Wigan Flight’ is as notorious as the ‘Devizes Flight’ down
south on the Kennet and Avon, and we are absolute rookies! Boldness prevails
and we decide to tackle the flight.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The following morning
we read in our canal guide that British Waterways assistance is available on
the flight, so I go in the office to see if as novices we can arrange it, but it turns out to
be old information rendered obsolete by recent funding cuts. Funnily enough
this doesn’t change our commitment and we shortly sail past the Leigh junction
and into the maws of the ‘Wigan flight’. </span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Here we are
temporarily tied up after the first couple of locks.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">After climbing
through seven locks we realise that though we are managing it, due to inexperience,
stuck paddles, heavy gates etc we are rather too slow. The boat is no problem
at all. It’s us. Can we climb all 23 locks before dark? - No-one is not supposed
to moor for the night part way! Just then our Good Samaritan arrives. Adrian is
walking the canal, he has a boat, but not with him – it's moored a dozen miles
further up. He insists on helping, and my are we grateful. His knowledge and
help enables us to lock fast and soon we are climbing away, and we reach the
top with daylight to spare.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">One of the bonuses of
this adventure is the lovely people you come across in the waterways world.
Adrian is a delightful character who during our hours together regales us with
tales of growing up in Wigan as a teddy boy (even down to his pride in the gold silk lining
in his favourite suit). A tinge of sadness is introduced with the details of a
long happy marriage recently ruptured by his wife’s terminal illness. </span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The following morning is
not particularly brilliant weather but the batteries are well up even after
such a busy day yesterday, so we decide to cruise on. I have found I need to go
back home to do some work soon, so we want to get in as much cruising as we can
before then.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Cruising with the
panels set for North. Two of the main panels are angled for morning light and two
for the afternoon.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">We pass through the
Haigh estate and wonder if we will catch a ball from the golf course. I worry a
little about the panels in this regard but then remind myself they are
toughened glass, strong enough to walk on and anyway they are well covered with
the boat insurance. No ball alights on us and we pass by.<span style="mso-spacerun: yes;"> </span>On under beautiful bridges, on through
delightful spring woodland until we reach Red Rock and decide to moor as the
weather is beginning to deteriorate. An evening of rain follows but we are snug
inside our cabin.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The following day is
mixed with scattered unpredictable showers, so we decide to get the bikes out,
go exploring and catch up with some shopping.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The next day is more
promising, so I am still deferring the need to go back home for work. We cruise up to Adlington, moor next to a few other boats and go for a
walk around town. After a hearty brunch in a local café we return to the boat
and continue cruising for several miles past moored boats of all sizes and
shapes. We discuss their respective merits, and confirm we are more than happy
with what we have, especially considering how far we have been able to quietly
come without it costing a penny.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">View from Bridge
while cruising</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">After a few more miles
we reach Chorley, meet up with Adrian again at his mooring, take a look at his
boat, a sixty foot steel giant compared to ours, and then moor our own nearby.
We are going to leave ‘Impulse’ here for a few weeks while I return for commitments.</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Bathroom with
cassette toilet and shower. You can see the hot and cold shower taps on the wall, but
hot water from the hot tank is currently via an immersion element and so only available when the 240v mains hookup is used.
Low voltage DC elements are available, but I'm in no rush to change to one and we are using the hot tanks as extra cold water tanks, and boiling a kettle when we need hot water. Inside the bathroom, to the right, out of view, is a snug corner basin for hand and face
wash. The Bathroom is surprisingly spacious once you are inside.</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The new ‘Weathermax’
stern cover. You can remove just the roof on indifferent days. As you can see we've managed to get more painting done by this stage and the tiller bar is no longer in primer. Its now early June and we've managed to find time to return to boating for a few weeks. We arrive at the boat mid afternoon and leave Chorley and cruise up to Botany Bay where we moor for the night. The weather is poor the following day with gusty showers seemingly every ten minutes. Whilst its perfectly possible to cruise along on a rainy day with the right clothing, we don't see the point - we're in this for pleasure! So we lay up for a day of staying warm and dry in the cabin and get some reading done.</span><br />
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<span style="font-family: "arial";">Next we climb Johnson' Hillock flight of locks heading north again and cruise on to Blackburn. We intend to see as much of the Leeds and Liverpool (up to nearly the highest point of the English canal system) as we can before we decide to come back down through the country. There are lots of interesting features to report along the way:</span><span style="font-family: "arial";"> The Burnley 'Straight Mile' for example is spectacular, a mighty aqueduct carrying the canal high across the town; but this could easily turn into a blog about cruising, which is something many people already know about. So my posts will probably get fewer on that score.</span><br />
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<span style="font-family: "arial" , "helvetica" , sans-serif;">The central cabin.
These seat cushions form bunk beds on either side. The table lowers into place and the cushions slide on top.</span></div>
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<span style="font-family: "arial";">When there is a fine day we try to both get some enjoyable cruising done and also spend a couple of hours finishing off the paintwork, which is now almost complete, so the boat is now also looking a lot smarter than in the early photographs.</span></div>
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<span style="font-family: "arial" , "helvetica" , sans-serif;">Here you can see the stern rail made for us by the steel artist mentioned earlier. (and after a month in primer we have finally got a coat of paint onto it!) The design works really well, providing a sense of security with something you can lean back against, and a mounting for a seat plank to add comfort during hours of cruising. It also, as intended, provides a framework for supporting the Weathermax stern cover. The only improvement I would make is not to the framework at all, but at some point I would like to fit a wider and deeper seat board. You can currently seat two, but I see no reason why a full width one can't be fitted. This would be quite easily achieved as the board is simply screwed on to the height adjustable mounting brackets. The motor speed controller can just be seen attached to the side of the seat. It mounts to the seat side on quick release brackets and plugs into the drive controller through a multipin socket, so is easily detachable each evening for security.</span></div>
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Here is another interesting solar boat project: <a href="http://www.marinewiki.org/index.php/6.2_m_Solar_Boat">http://www.marinewiki.org/index.php/6.2_m_Solar_Boat</a><br />
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<span style="font-family: "arial";">This started as a blog on making a narrowboat work under solar power. Now I have to say - it simply does. As soon as dawn arrives the panels start pouring energy into the batteries. When you cruise the electric drive whirrs along happily, only needing an occasional application of grease to the propellorshaft. </span><br />
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<span style="font-family: "arial";">A friend said to me he'd like to visit and 'see all those solar panels in action', but to be truthful, there really isn't very much to see. They make no song and dance as they draw down almost a kilowatt of power every hour and you can't exactly watch the current as it goes down the wires to the battery bank! All you get to see is a nice boat purring almost silently along the waterway.</span></div>
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Martinhttp://www.blogger.com/profile/00534181944677918979noreply@blogger.com28