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Forum: Electrical: Batteries, Generators & Solar 25-03-2015, 11:19
Replies: 54
Views: 5,918
Posted By TTTech
Re: Hopefully a simple 12v question

Most boats will have a grounding point, near the fuse panel. It is just going to be a strip mounted, with a row of bolt terminals, likely having one larger wire going to the negative on the battery,...
Forum: Electrical: Batteries, Generators & Solar 25-03-2015, 10:45
Replies: 122
Views: 33,056
Posted By TTTech
Re: Running 220v water heater on 110v supply

Same resistance, half the voltage, current is half!!!!!
With a motor, drop voltage, increases current. With a heating element, drop in voltage drops current!

Terry, long time electrical...
Forum: Electrical: Batteries, Generators & Solar 25-03-2015, 01:21
Replies: 122
Views: 33,056
Posted By TTTech
Re: Running 220v water heater on 110v supply

Because it is a heating element, it is a simple resister, therefore applying 220 volts results in the 1200 watts of heat/energy. Cutting the voltage in half cuts the current and wattage.
Forum: Electrical: Batteries, Generators & Solar 25-03-2015, 01:13
Replies: 14
Views: 1,661
Posted By TTTech
Re: Corroded cables

Soldering will slow/stop corrosion at the joint, but you can't solder blackened (corroded) copper. You can wire brush the end of the wire until it is shiny again, and solder it after crimping it. If...
Forum: Monohull Sailboats 22-03-2015, 01:36
Replies: 0
Views: 1,222
Posted By TTTech
Samson C-Falcon Ketch

Looking for any information on a Samson Ferro Cement, C-Falcon Ketch, 42 feet, build in Victoria/Sidney area, in the 70's. Original Name: "Happy Bottoms", apparently renamed "Madamoiselle" by new...
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