T-Pain Is On A Boat: Re: [Electric Boats] electric planing skiff rev2

Saturday, September 5, 2009

Re: [Electric Boats] electric planing skiff rev2

Thanks Todd for Torqeedo-el-skiff data!

Was it like this:
12mph = 10.4kn / 89A * 48V = 4.27kW
6mph = 5.2kn / 25A * 48V = 1.2kW
It would be usefull to learn boat data too:
length(wl), max.beam(wl), total weight

With my experimental trimaran were measured:
10.4kn / 3.2kW
5.2kn / 0.7kW
5.7m center hull, centerhull beam 0.37m (Tornado cat hull)
small floats at both sides
Perm motor assembled on yamaha15hp rig
total weight 353kg

But my target is a long skinny monohull el-skiff:
length 9.5m, beam(wl) 1.1m, weight 1000kg

redu

rumblecitygroup wrote:
> Hi all,
> This video might look familiar to a recent one I posted, but this time we have a Torqeedo 4.0 powering the skiff. Top speed was a little over 12mph and it easily sustains 11.5mph even in turns. Still using a set of heavy AGM's for testing, so nothing fancy about the batteries. For the production model we will build this boat in the Kevlar version with a small remote steering console. This test boat is good old fiberglass.
>
> With these batteries the boat certainly has its limitations, but then again for its intended use I think it works. 89 amps draw at 12mph, 25 amps draw at 6mph.
>
> If anyone has any questions please feel free to contact me off list.
> Best,
> Todd
> www.epowermarine.com
>
> Video: http://www.youtube.com/watch?v=TPyWv2VtHvs
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