Here are my numbers for a 1967 Starcraft aluminum utility, 15' x 5' [14.2' water line], 800 lb displacement, Torqeedo 4.0R outboard, Torqeedo high performance prop, 8 kwh LiFePO4 [16 x 160 Ah].
0.2 kw 3.0 kn
0.4 3.9
1.0 5.5
2.0 7.4
3.0 9.1
4.0 10.4
These are averages of multiple runs, no current, little wind during Sept. 2011. The boat was running in a semi-planing state. That is why you do not see the sharp knee at hull speed, 5.1kn.
Ned
On Jul 11, 2012, at 12:55 PM, David Elderton wrote:
Here are my numbers for a Hobie 16 Catamaran, converted outboard with Mars ME0907, 2:1 gear ratio to Torqeedo cruise 4.0 prop. 48 Volt GB lithium pack. Weight as tested 800 lb. Measured with high current cycle analyst.3 knots 223 watts4 knots 396 watts5 knots 660 watts6 knots 1440 watts10 knots 5000 wattsDave E
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