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post #6 of Old 10-22-2018
colemj
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Re: Hypothetical Radar

Not enough information on battery capacity or charging ability.

Radar and its display uses 2-3A in full operating mode. Let's say 3A. This will use 72Ah/day, 108Ah for the 36hrs you note, or 216Ah over 3 days assumed maximum time. Pretty moderate power consumption, actually.

This is running full-time, which doesn't seem necessary, but you asked for that. It is also at full-rated spec, which I find conservative - actual use is generally less.

So with modest battery capacity or recharging ability, it is easily done.

Mark

Dolphin 460 Catamaran "Reach"

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