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Old 10-26-2018, 08:36 PM   #41
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I had a garboard just like the above pix. Worked great. But one year I Noticed all the flat head ss screws lost their heads due to corrosion. Good thing the body was caulked. Hey, maybe a sil bronze 1/2” carriage bolt isn’t such a bad idea.
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Old 10-26-2018, 09:13 PM   #42
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Magnets.
Excellent suggestion.
Ideas like this is why I love this Forum.
I'm not ever going to be shy about asking question even if the answer should be obvious.
Thanks for all the brilliant replies.
Are you sure your boat doesn't already have one? my last boat was a Mainship -1 1980 vintage and it was on the right side almost under the transmission, used to open it every winter...
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Old 10-26-2018, 09:24 PM   #43
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oh boy...


Typically up here in the tundra, there is no power in the yard during the winter, and no staff will be hooking anything up. The boat is truly in winter STORAGE...


Those dashboard "solar chargers" from the automotive store are JUNK. As noted in an earlier post, a proper 50 watt solar panel and name brand charge controller is the right way to go, if you are going to charge.


Removing the batteries and having a friend host them in their garage and sticking a charger on 'em a couple times thru the winter would be lovely...


Fully charged, disconnect and leave them in the boat has value. Their condition in the spring will give you an idea how close you are to replacing them. Works for the boat and for the lawn tractor too...


I mentioned that the dashboard chargers are JUNK?
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Old 10-26-2018, 09:38 PM   #44
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Hello Buoyobuoy,
I have a 1980 Mainship and it has a garboard drain in it. I am not sure if it is factory installed or not. I mention this because it is not obvious unless you really look for it.
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Old 10-27-2018, 12:52 AM   #45
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I too have one, but it's inaccessible from the inside because it's under the motor pan. Have a close look at the bottom of the keel amidships. You may have one.
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Old 10-27-2018, 06:05 AM   #46
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A garboard drain is removable at every haul out with no hassle. A bolt nut washer assembly would be a pita because it would require 2 people to disassemble & reassemble each time plus need to be recaulked each time. In addition a garboard drain has a larger diameter drain hole. A bolt hole would be much smaller & risk clogging with random bilge debris.
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Old 10-27-2018, 07:17 AM   #47
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There maybe a parallel here.
I am gone from my car 10 months of the year.
I disconnect battery.
Come back after 10 months reconnect the battery and start the engine. Of course, without battery power, the computer is wiped slick..... I have to drive the car for a few days before I get the emission check performed.
My boat, electrically nothing changes..... hooked to shore power, battery charger. on. I am gone for 2 months...
I do open a few unnecessary breaker (things such as the stove, hot water heater, electronics, FW pump and Vacu-flush head etc) at the panel and shut off all the inverters. Shut off the FW.
Beyond that, nothing changes. Yes, I have a separate 40 amp battery charger....
The main 1500 amp inverter and 2 smaller inverters, I shut off. The 2 solar panels should keep the batteries charged if one of the snot nosed kids unplug my shore power again.
I do not shut off the 12vt fridge. Lock the doors, check the dock lines and walk away. I do leave one 120vt lamp on so the neighbors can tell if the shore power has been disconnected or shut off.
I would encourage you to write a list of things you shut off or disconnect.
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Old 10-27-2018, 08:16 PM   #48
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A garboard drain is removable at every haul out with no hassle. A bolt nut washer assembly would be a pita because it would require 2 people to disassemble & reassemble each time plus need to be recaulked each time. In addition a garboard drain has a larger diameter drain hole. A bolt hole would be much smaller & risk clogging with random bilge debris.
Why not install an "extra" through hull valve?
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Old 10-27-2018, 08:22 PM   #49
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Why not install an "extra" through hull valve?
Because $20 vs. $150 and since the nipple would stand at least 4" proud, it would not drain the bilge all the way.
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