The cat only weights 400 lbs, Me 245 lbs and gear 25 lbs. With a 3 amp drain will give me about 10 hours if less more.
The expedition will take about 40-60 hours, I would like about 10 -15 hours of assistance with the pilot. I'm single-handing, a battery weights alot less than a crew member and gear. The battery will be sealed in a watertight plastic box. ION battery weights less than 10 lbs, A 28AH sealed fiberglass battery weights 22 lbs. Tho if it's that good, why not just lash the tiller & have a nap?ĮTA: where you putting a 35# battery on a beach cat? If your cat truly has balanced helm and tracks straight, turn down the gain. You can often dial down the gain on your tiller pilot to save power. And so does the sensitivity of the pilot to wave motion and small course changes. Sea state will have something to do with consumption. If your pilot is pulling an average of three amps, multiply that by the number of hours it is working, and that (plus a little) is the Ah your battery must supply.) Leaving us with the awkward but correct " amp hour/hour" label. Amps is a measure of current amp hours is the proper measure of stored current. (As an aside, 'amps per hour' doesn't quite work. 1A is not a bad number to use for your calcs. We've used 3A as a peak draw for our TP10 in moderate ocean swell, 1A as a median & that seemed consistent with battery drain & spot multimeter readings.
Raymarine autohelm 2000 output volts amps max full#
Generally for these small autos, figure half an amp at idle & five amps at full thrust. A pilot will use more juice if making large, highly-loaded corrections - or if making many, frequent small corrections. Couple different ways to think about power consumption.
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