AndrewIC
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Posts posted by AndrewIC
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The front panel switches look pretty weedy, perhaps that’s why there are relays? Seems overkill though. What I don’t understand is why the 2-pole relays have both poles connected though.
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6 hours ago, Dav and Pen said:
Maybe the church has five bells as well
St Peter, Upwell has six bells...
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On 02/10/2020 at 10:52, Tracy D'arth said:
Stanthorne lock is a joke too. They have bolted and welded stops on both gate paddles to stop them opening more than a quarter. I suppose this is to make a point that they still maintain that it was the water rushing through the lock that caused the major breach. What folly, we all know that it was ignoring the danger signs for years that was responsible.
Stanthorne is a shambles. Not only does the lock take an age to empty because the paddles have been crocked, you’re supposed to wait until the lock is half empty to relieve the water pressure before trying to raise the offside bottom paddle, and even then it needs a long-throw windlass. Presumably the gate is so rotten that it distorts enough to jam the paddle. But there’s a nice yellow “we’re aware of the problem and working on finding a solution notice” to read while you’re waiting. Two-hour queues reported.
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10 minutes ago, Dr Bob said:
No shelf life issues.
Thanks
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9 hours ago, dmr said:
Is oil really getting harder to find? I get mine delivered by Morris and its very easy to find.
More importantly, you are not doing enough boating ? I get mine in 25 litre barrels and they last less than a year.,
The key word was “retail”, I can get any amount delivered. Quantity of boating is a known problem
9 hours ago, ditchcrawler said:why not buy it in 5lt containers so you can keep the unused ones sealed and clean https://www.ebay.co.uk/itm/383742645494?ViewItem=&item=383742645494
‘Cos it’s a bit cheaper in bulk!
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7 minutes ago, WotEver said:
“The European Union agreed in February 2013 to the mutual procedures for the complete denaturing of alcohol:[10]
Per hectolitre (100 L) of absolute ethanol: 3 litres of isopropyl alcohol, 3 litres of methyl ethyl ketone and 1 gram denatonium benzoate.”
From Wikipedia:
Ooh, MEK aka Blanket Cleaner, used to use that on the offset litho machine at school!
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5 hours ago, Flyboy said:
I think you will need to post a photo before anyone can help. The one shown in the link has a flap so doesn't unscrew like yours.
FWIW the one in the link - which it turns out is not what the OP has - does unscrew. The flap covers the keyhole, and once unlocked the whole shiny bit unscrews. The one in the link couldn’t end up going round and round as described by the OP.
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Does engine oil (bog standard 15w40 mineral) have a shelf life? It’s getting harder to find retail so I was thinking of getting a small barrel, 20 or 25 litres would last me 3 or 4 years.
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2 hours ago, haggis said:
I wonder if the sheep were removed to stop them paddling or falling into the water in the reservoir. I don't think dead sheep flavoured water would go down very well with the recipients ?
All the other sheep, cattle, etc between Hurleston and Llangollen being competent swimmers?
Came past on Friday, a couple of days after the signs were reported to have appeared, and there were still four or five boats moored on that side.
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Barnton is not timed entry, and is straight enough to see through clearly. Saltersford is timed entry, kinked, and has a wide-ish bit in the middle which looks wide enough to pass, but isn’t. It is possible to see through Saltersford in both directions, but still fail to see a boat coming the other way! It’s the main reason I have an antisocially bright headlight and a big klaxon...
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I had a pair of Elecsol 220s in the early noughties, from before they went over to sealed batteries. Got 12 years out of them, although realistically they were more than a bit ropey by the end and should have been about 9 or 10. Whether I would have managed the same wit a decent pair of unsealed generics is unknowable.
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Just now, ditchcrawler said:
Especially as you would probably have to rebook
Quite.
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8 minutes ago, ditchcrawler said:
The question is, has anyone failed to get through the way it was before Covid, I think the longest I waited was maybe an hour and a bit, just miss one lot going in and have to wait for the others coming towards you.
Missed it once by a whisker, spent the night at the southern end, but I’ve justbeen to CRT stoppage site to check the opening hours, and on the current version they’re not there! Latest email with them says current opening hours are 8am-2pm, 7 days a week (42 hours) rather than the usual summer 8am-6pm, 7 days a week (70 hours). You could just about cover the former with 2 bodies, one at each end, but not normal hours.
at the moment if you arrive at 2.05pm you’ll have a long wait until tomorrow!
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1 hour ago, Arthur Marshall said:
How will a bigger team help or reduce the time waiting??, and what on earth have Covid restrictions got to do w.ith it?
There's one person at each end, and you can't go in till everyone's out. I can't see the justification for either reduced hours or having to book.
More people would in theory permit longer hours, staggered lunch breaks, so more transits per day. In theory.
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On reflection I could only think of two potential reasons for the white valve, both suggested above. One is to decompress the water system without wasting water, which seems a bit over the top. The other is to drain the system, but that assumes another valve somewhere at the “other end” to let the water out - perhaps into a pumped bilge?
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On 24/08/2020 at 21:22, Arthur Marshall said:
I can understand CRT running the system for Bridgewater boats coming on their water, but why on earth should they run it for us going on the BW?
Because the alternative would involve Peel putting their hand in their pocket?
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Your “calorifier” looks more like a pressure accumulator. The beige square box is a pressure switch. The arrangement with the red knob looks like a pressure relief valve, presumably the intention is to divert over-pressure back into the tank - never seen that arrangement before though. I don’t understand the white valve at the bottom of the picture though.
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How leaky are the bottom gates? I recall a spate of sinkings on the HNC at a lock where once a boat was over the top cill, so much water was leaking out the bottom gates that not enough could get past the boat to maintain the level in the chamber, which would start dropping rapidly. If the top pound was a bit too low or the boat a bit too deep, the boat would drop onto the cill, and it more than half way in would tip forward and sink.
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On the aforementioned back door panels which had come adrift, it was apparent that the previous glue (I don't know what it was) had gone rock hard, and that it was the glue itself that had failed, rather than the bond between glue and wood or glue and steel. In the end I sacrificed a small multi-tool blade to get the remains off the surfaces.
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Based on other recommendations here, I’ve just re-stuck my back door linings on with Stixall. Ask me how it turned out in about 5 years or so
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12 hours ago, Mike Todd said:
I suspect that the main motivation is that the existing canal wished to prevent the newcomer from taking water from them. Hence, in many cases, the mechanism is a stop lock which ensures that little water flows anyway. (The newcomer does not want to be a free provider to the older canal)
If I understand it correctly, the stop lock at the bottom end of the Macc used to be two locks, one owned by each of the two companies as neither trusted the other not to cheat!
I believe Hall Green stop lock had two sets of gates because the T&M summit level could be somewhat variable, so that if the (newer) Macc was higher it would feed the (older) T&M, and if the T&M was higher most of the water would go down the T&M flights and not onto the Macc.
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2 hours ago, markeymark said:
Funnily enough the fire extinguishers were well out of date (2009) and yet the boat had a BSS 4 years ago so maybe whoever did it was a cowboy ( I bought the boat 3 years ago).
Can you be certain that the extinguishers you inherited were the same as those present during the previous BSS?
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It’s the compressor that heats the gas up, so if you don’t have a radiator on the back and can’t cool the sides, then cooling the compressor is the next best thing. I have two small fane set into the floor under the back of the fridge, blowing bilge air up onto the compressor. They are also wired through a series/parallel switch so that at night they can be connected in series and run at half(ish) speed to keep the noise down. There must be a trade off point somewhere between increased fan power consumption and decreased fridge consumption!
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11 minutes ago, WotEver said:
Looks like a 16mm difference in length to me, with the 150 being shorter.
And a slightly greater drop on the 150.
Confused over relays
in Boat Building & Maintenance
Posted
40mA is about an amp-hour a day. I had an old fuse panel with illuminated rocker switches which I suspect were pre-LED, and they drew about 40mA per switch. I built a new panel using big toggle switches with built in LEDs from 12v planet, and from memory they drew about 15mA each, so I made up a pack of 2.2k resistors which brings them down to a couple of mA each, and plenty bright enough (if you like illuminated switches, that is...).