Monday, March 27, 2017

RE: [Electric Boats] Re: Current 48 VDC alternator/generator options

 

Nice tidy unit…

 

From the specs, at ¼ load (750watts), the 3.5 gallon tank will last 15hours.

That's 3.2kwh/gallon fuel-to-battery economy.

 

Meanwhile, from personal experience with my Honda EU2000i (AC output) coupled with (70-90%eff.) battery chargers, I've seen this: 40amps into 36v continuous: 1.44kw

Energy: 1.44kwh * 3 hrs

Fuel: 0.95gallon

Economy: 4.5kwh/gallon fuel-to-battery economy

 

This worked out to around 13 mpg on average on the Columbia river with genset power alone and at just under 4knots (1.44kw).

 

-Myles

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Posted by: "Myles Twete" <matwete@comcast.net>
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