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Showing posts from April, 2016

No sailing but phase 1 of the 12v system finished

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Despite a serendipitous high tide at about 1400, there was no sailing this Sunday - just too damn cold... I could have gone but I wouldn't have enjoyed it so decided to get on with some other stuff instead while cowering sheltering down below in a nice (reasonably) warm cabin...

Time to finish off the first phase of the 12v installation then...

I replaced the 'positive to master switch' cable with a longer one, the quick release clip now works, and the battery box lid is also firmly attached - delighted with that one...

Earlier that morning I'd taken firm hold of any doubts and drilled two mahoosive holes in the fascia of the switch box in order to take the new voltmeter, and dual USB charger - happily it went largely OK, but a 28mm spade drill into thin plywood is never going to be entirely pretty. A sand down, and coat of wood treatment did wonders though and once on the boat, four M4 bolts hold the fascia panel, and the units were slid in and attached from behind..…

Solar panel output...

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Sunny day and a voltmeter - what else are you going to do??



Panel spec.:
Open-circuit voltage (Voc) Av 21.6V, sd 0.3 (I see 21.8, so good)Voltage at maximum power (Vmp) Av 17.5V, sd 0.2 Short-circuit current (Isc) Av 0.31A, sd 0.01 Current at maximum power (Imp) Av 0.26A(I see 182.2 mA so a little low but although it was full sun, it's not strong mid-Summer sun so I guess that's good)Maximum power at STC (Wp) 5W ±3% Operating temperature -40oC to +85oC Maximum system voltage 1000Vdc Power tolerance ±3%

No more excuses...

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Couple of (chilly) hours on Sunday morning saw me finish off the last bits..   the mast head light plug is now wired in, and the refurbished cockpit hatches re-attached...  no more excuses then, better go sailing... 

Hopefully Sunday if the weather holds up...

Putting it back together.......

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Skipped out of work on time on Wednesday for a session putting "Sparrow" back together following the rain soaked debacle on Saturday...beautiful afternoon/early evening - the sun shone and it was good to be back on a floating boat...

First stop the furler foil support tangs which had been bent badly during the mast raising ...  this is the shot from below and it's quite clear no damage done - those plates are 2 or 3mm stainless, and the clevis is enormous...  all good and built like a brick outhouse (it did originally come off a 30 footer I believe)..


Next job to to tighten up the rigging which had been left taught (to hold mast) but not tight..  tightened everything up and did the "head at the bottom of the mast" trick to get a foreshortened view up the mast, which allowed me to straighten everything out..

After that the jib went on, sheets (must replace - they're not worn out but matt finish doesn't run smoothly when short tacking), and roller furlin…

...that's it.. all done for this winters maintenance/project list....

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...I spoke too soon as the battery I was planning to use has imploded (voltage of 9.4 when I checked last Monday, and despite 24 hours on charge, no difference afterwards.... )

Ah well, always knew it was on the small, and old, side... new one purchased via Amazon using birthday spondoolicks is twice the power and almost same size, and at only £45, and delivered in two days from Scotland to the south coast... bloody amazing..

I've also been spending on some 'additionals' for the system - firstly, one of these...  two separate units in a single mounting plate which is good for replacements at a later date should one or t'other fail.. but basically a digital voltmeter and a dual USB charging port.. this will go on the front of the switch box to the left of the switch panel


I've also bought a cheap solar panel - on Pap I used to use two of the little tiny trickle chargers (1.5W) they sell for car dashboards - I put one in each window inside the cabin and they'd k…

...and more work done.. job #4 "Lead halyard/topping lift back to cockpit" and an Oxalic wash

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...  and I'll be glad to get afloat if only for a rest... 

Time is fast approaching for launching and, with this being the last weekend left, I decided to focus on the job(s) that need shore power so I picked up on the "Lead halyard/topping lift back to cockpit"; job #4...

Over time my idea's on how to do this have changed significantly from deck organisers and pulleys to what I actually ended up doing which is significantly simpler, but still took ages to actually measure and place before drilling...

I started with a piece of aluminium angle, drilled for the same bolts that hold the mast in the tabernacle (M10) - I drilled this at home, and also hacksawed and then filed the corners of the upper surface at the same time...


...put a couple of (M5) holes on the other surface for the blocks/eyes/shackles, or whatever else I use because I'm still not convinced this set up will be final..  eg. two single pulleys better, snap shackle not eye bolt, etc etc. Time will t…

More work done...

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...despite Katie [clicky] doing her worst, more work was completed...

A good session over the last weekend saw the completion of the fledgling electrical system - no pictures yet, as I want to tidy up first, but in detail:
New M4 bolts were fitted to hold the switch box in place - at 70mm they just fit from inside the bottom of the switch box to just under the shelf it is sitting onFitted the earthing block to the left side of the switch box - two M5's used (which is overkill but I was going to use them for connecting the negatives as well, so the size was chosen for the crimps I was going to use) Fitted the master power switch - in the end I positioned it just under the step to the cabin as it is out of the way, protected by the step, and easy to get to - used a 22mm flat drill bit to make the hole for the key shaft and then through bolted the base from behind - good access to the battery box and cables are nicely out of the way on the inside of the bulkhead holding the step..Dri…