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  1. Ken O

    Twin Yamaha 50s will not start

    The kill switch was the culprit! There is a large flock of black vultures that roost on the boat overnight. Apparently they stole the lanyard and damaged the switch. Fixed now. Watch out for wildlife! Thanks for the help.
  2. Ken O

    Twin Yamaha 50s will not start

    This is in regard to a park boat, not my boat, but I'm pretty sure twin Yamaha 50s are common in the C-Dory community. Therefore, we have a boat with twin Yamaha 50s. It ran fine to and from annual service a few weeks ago, but today both motors crank but will not start. Both! Notes...
  3. Ken O

    03/05 - 03/07 - Hontoon Island Gathering St. John’s River

    Hello Tom and Joyce, Thank you for coordinating this one. We should be able to attend. We are working at the park as marina hosts November, January, and February, and we will still be nearby for the gathering. Count us in! Ken and Claire Oravsky Ravens Roost
  4. Ken O

    Black dots on deck and cabin roof

    Thanks folks. That's what I needed
  5. Ken O

    Black dots on deck and cabin roof

    Raven's Roost now has thousands of tiny black dots (1 mm or so in size) on the deck and cabin roof. They accumulated during summer on Yellowstone Lake. They do scrub off--mostly, but not completely with dish soap and a soft bristle brush. I would like to get them off completely before I wax...
  6. Ken O

    Lithium battery house battery charging/alternator overload?

    What is controlling the charging? The Honda is designed to charge lead-acid batteries. Lithium needs a different profile, and, I think, lower max voltage. The 16.9 volts you saw could be from the voltage regulator or battery reacting badly to the wrong charging profile.
  7. Ken O

    Fuses at both ends charging cables?

    I'm upgrading my solar power and adding a DC-DC chargers. The chargers can't fit in the starboard lazarette/battery compartment, so they will go in the cabinet under the stove. This means that I will have 2 hefty cables with batteries at one end and chargers at the other. Current source could...
  8. Ken O

    Lithium battery house battery charging/alternator overload?

    That's a comforting thought--we can live with a battery system that will take longer to charge, as long as it doesn't hurt the alternator. I gave a simplified version in my original post to focus on the alternator question, but it will be easy for us to monitor and to shut off the Redarc...
  9. Ken O

    Lithium battery house battery charging/alternator overload?

    I am upgrading the house battery to a 100 Ah lithium battery (crew member with CPAP needs). The battery will be charged via a Redarc DC-DC charger (BCDC1225D). This charger will also accept solar input, but please ignore that for now, as it will not handle the whole load all the time, so much...
  10. Ken O

    Compasses: Is bigger better?

    The answer to "do I go anywhere that needs a compass" is a big YES. SE Alaska, for example. No cell phone service, fog, and besides, I like redundancy. I have 3+ GPS type devices onboard, but I have seen far too many electronic devices fail. A non-electric compass is a nice comfort.
  11. Ken O

    Compasses: Is bigger better?

    My old Aqua Meter compass (R2D2) is getting sticky--if you sway it 10°-15° with a screwdriver and then let it return, it rarely returns to the original heading--often stopping 5° short. It also hunts and wanders. This is when sitting on dry land. The compass has been swung and I tested to see...
  12. Ken O

    Lithium Batteries - locking lazaretts

    I just received these Perko locks, which should fit the existing lazarette latches on my 1990 C-22: https://shop.hamiltonmarine.com/product ... 26484.html If you special order them through Hamilton Marine, they can be keyed the same (unfortunately not the same as the Perko latch on the cabin...
  13. Ken O

    1st use of composting toilet. Not sure I'll keep it.

    Bob, Thanks for clarifying details that I skipped over. I just included their plans mostly for the dimensions and the general layout (the struts are a good idea also). For our unit, I used C-Head guts with agitator (unfortunately no longer available). My construction used marine plywood with...
  14. Ken O

    1st use of composting toilet. Not sure I'll keep it.

    Key #4: Put the TP in a separate container. It's really not that hard to do. I found a tall thin plastic cereal container at Walmart, built a hinged lid over it, and it works great. The TP doesn't really interfere with the moisture absorption, it just wastes space. Line the container with a...
  15. Ken O

    1st use of composting toilet. Not sure I'll keep it.

    Too bad about C-Head. We have one in the boat and one on our house construction site and they are great. There's only 3 key elements to a composting toilet: 1) Separate the pee from the solids. A plastic jug works well. They key here is a urine diverter...
  16. Ken O

    Lower unit bolts--thread locker vs. gasket sealant

    Thanks a bunch for the thoughts. I have both Tef Gel and waterproof marine grease. My Tohatsu 9.8 kicker manual specifies Tef Gel for certain inner parts. I've had the same little tube for several years, so the cost isn't an issue.
  17. Ken O

    Lower unit bolts--thread locker vs. gasket sealant

    Time to replace the Honda BF90 impeller. Last time I just put Locktite blue on the bolts that attach the lower unit to the rest of the engine. So far I've only run the motor in fresh water, but there's salt water in the future. Several forums advocate some sort of gasket sealer on these bolts...
  18. Ken O

    Vendor recommendations, fasteners and hose clamps

    I have been purchasing products from 2 vendors for several years now and I haven't seen them mentioned in any C-Brats forums, so I thought I would mention them here. Marine Bolt Supply (MarineBoltSupply.com). Located in Athens, Georgia, they stock a wide variety of nuts, bolts, washers and...
  19. Ken O

    5/16" barb to 3/8" barb adapter

    Thanks for the helpful thoughts. I did finally find an adapter at my favorite hot rod shop: https://www.jegs.com/i/JEGS/555/15946/10002/-1 This part is intended for fuel lines, so I'm OK there. BTW, Jegs is not a marine supplier by any means, but they have been a very good vendor to deal...
  20. Ken O

    5/16" barb to 3/8" barb adapter

    This may seem trivial, but does anyone know of a source for a 5/16" barb to 3/8" barb gasoline fuel line adapter (brass preferred)? I cannot find one anywhere (except questionable ones on Amazon). I don't want to put gasoline in questionable fittings. Last year I replaced all fuel lines with...
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