Yet another example of the generalization below hull speed: Power doubles for each knot.
Sure, mph doesn’t equal knots, but you get the point.
Thanks.
-Myles
From: electricboats@yahoogroups.com [mailto:electricboats@yahoogroups.com] On Behalf Of HargravR
Sent: Thursday, September 22, 2011 3:33 AM
To: electricboats@yahoogroups.com
Subject: [Electric Boats] Lyman 13 Torqeedo Cruise 2.0 power consumption
Power really goes up with speed. The Lyman 13 is about 400 pounds, plus 130# batteries, plus 40# motor, plus 185# captain, plus 55# dog. Water was calm.
2 mph 50 watts
3 mph 150 watts
4 mph 300 watts
5 mph 600 watts
6 mph 1200 watts
I figure the two Optima batteries have 1800 watt hours capacity.
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