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post #19 of Old 06-07-2019
Sailing Last Straw
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Re: Solar Ventilation

I have a Nicro style solar vent and can't say I am thrilled with it. As posted above it is loud, moves minimal air and only works when in fairly full sun. If an when I redo this I think I may go the computer fan route and run of the main batteries and solar. The 4 inch fans I have for head vent draw about 90ma at 12v. Two fans hooked in series draws less than 50ma and are almost silent but move much more air than the self contained solar unit.

Big drawback of self contained units is they are not always on when you want them. Having 2 computer fans on a DPDT switch it can be set up to run them in series for low power low noise or parallel if you want to move some air quickly.
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