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weeble

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About weeble

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  1. Voltage sensing is definitely direct from the battery.
  2. Thanks to all for the replies. Sorry I couldn't reply earlier but I'll answer your questions as best I can. I don't think it's relevant to the 'problem' but the boat is 17 years old, three cyclinder Beta, and domestic generator was changed a couple years ago to [I think] 90A or 120A. The external controller is a Pro Reg D (the one with a fan on the top) and looking at the picture on the Sterling website I can confirm there are no temperature sensors connected. The battery charger is a Victron Blue Power IP22 12V/30A Three outputs. New batteries and battery charger were installed last May. Low load demand. Shorepower 12V fridge, Avtex low power tv, LED lights + usual pumps. I take on board that I might need to drop the voltage from 14.8V to 14.4V. I'll take a look at the battery manufacturer's spec when I next visit the boat. As the batteries are as fully charged as they're likely to get, the current drawn at the 15.3V is negligible. ----------------------------------------- I don't think the situation is temperature related because I first noticed it last June on the first trip out after the batteries/charger were installed. It was certainly not a cold day and I arrived at the marina, loaded up, disconnected the mains, then immediately set sail. I noticed the high voltage about 10 minutes later while waiting at our first lock. The trip was 18 days (Calcutt to Oxford return) and the high voltage didn't appear again throughout the trip. Second trip was the same, (21 days September, Calcutt-Stratford return), high voltage on the first day after disconnecting the mains then everything OK thereafter. Third trip was the same (late October 7 days locally). I don't know how long the high voltage existed but on the second trip we'd been cruising for nearly half an hour before I picked it up, so it appears not to be a short-lived event. But once the controller drops back into float mode the voltage seems to correct itself. We don't normally spend nights in the marina but last week we decided to go up for 3 nights, relaxing to get over the effects of having the house full of grand-kids over Xmas. That's where I noticed the high voltage situation again, a couple minutes after turning on the engine for the first time to get some hot water (note that the controller has a 2 minute soft start feature). So, this is when I turned off the engine and ran on batteries for a couple hours to take the edge off the battery voltage before starting up again, whereupon everything went back to normal. I spent the three days running from battery with the charger turned off and, once again, the situation didn't reappear. So I don't think there's much doubt that temperature is not a factor, but the mains charger is! Perhaps there is reservoir capacitor or something similar on the charger's output that remains charged for a period after the charger is turned off which somehow affects the controller. On reflection, what I should have done was to have turned the charger back on for a short period, say 5, 10, 20, 30 minutes.... between engine starts, to see when the problem returned, but I was too 'relaxed' to bother about it by then :)! ------------------------------------------- Dr Bob: I'd be interested to hear if you experience the same results on your next trip to the pump-out. I wonder if anyone else has noticed similar symtoms. Cheers....
  3. I'm not sure that I have a temperature sensor fitted. It's been a long time since I fitted te Sterling but isn't the sensor an 'optional' item that's connected to it's own terminals? If so,then I don't have one. Not on board atm so can't check
  4. I have a dual alternator system with an external Stirling controller on the domestic bank. 3x 135Ah sealed batteries. Normally, everything works fine with domestics floating around 14.6 - 14.8V. However, for the first time in my life I am now in a marina with mains on tap so I installed a Victron 3-stage charger, which also performs well. The problem occurs when I visit the boat after a few weeks (battery fully charged and taking virtually 0 current from the Victron) and I want to run the engine for an hour to get some hot water. So I turn off the mains charger, wait for the charger leds to extinquish, then fire up the engine. All is well for a minute or so, then the battery charge voltage creeps up to 15.3 volts and higher, which is too high for comfort! (Starter battery ok at 14.4V). BTW. If I turn on the fridge and wait for a couple hours before starting the engine everything seems to work normally. Any ideas as to what's going on?
  5. My dog has severe arthritic elbows and we use a two part folding ramp on the boat. However the grip on most of these ramps aren't that good so we cut a couple of cheap front door mats from b&q to size and fitted them to the treads, and it works exceptionally now. Dog can get off and on easily.
  6. Prue's Bake Off boo-boo

    No it wasn't.
  7. Going through tunnels

    Never mind the roof corners, parts of the Stratford canal were so shallow last month that I threatened to fit wheels to the bottom of the boat.
  8. Bridgewater permits and licenses

    To be really pedantic, etc etc. = etc. etc. or etc., etc.
  9. A memorable trip for all the wrong reasons

    So sad to read your report Dave. Best wishes to you and family.
  10. China

    Yen is used in Japan, China uses the Yuan.
  11. Floods

    As my Doctor once said "Then why were the only fat men in Belsen German?"
  12. Time to move off shore?

    I have just received a (genuine) Corporation Tax bill for £0.20p. Any idea how much it is going to cost HMG to process this invoice/payment, given that they've already spent the price of a stamp and envelope to send me the invoice? Could you save this government money? Any suggestions of the best currency to use to settle the account? Is it worth seeing how much effort they'd put in to receiving 20p if I failed to pay on time? Has anyone on here had a smaller bill from the tax man? Discussion for the Virtual Public Bar on a very wet and windy afternoon.
  13. "Mark all as read" not working?

    View New Content has totally stopped working for me since the first time I switched on this morning.
  14. Pre. CC1

    And increase everyone's licence by a grand or more to make up for the loss of mooring fees....... sounds a fair idea!
  15. Following is an extract from the latest CART Boaters Bulletin under the section: Expert advice on etiquette I'm not a "CART basher" but I think the advice to push off from the bank before starting your engine bad advice not goood!
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