Sunday, November 1, 2015

Re: [Electric Boats] New member, developing electric outboard

 



Andy,
I am a custom boat builder and design engineer.  Albeit a bit newer in the EB world, boating engineering has not changed since Noah (Not the Hollywood version ;-))))
 
Please email me directly for a short discussion:dhennis@centurytel.net
Dan
 
 
----- Original Message -----
Sent: Tuesday, October 20, 2015 2:28 AM
Subject: [Electric Boats] New member, developing electric outboard

 

My company just finished the engineering prototype of our 20 kW (continuous) outboard motor. This isn't a conversion; it's a new development, with no seawater loop, and a very small upper unit (far smaller than any gas outboard). It runs at 1500 RPM with a large custom prop, so its efficiency is high, and it provides the propulsion of a 35 HP gas outboard. 


The battery packs weigh just under 100 lbs and contain 6 kWh each of li-ion batteries. These packs can be combined (working in parallel) to reach higher battery capacity for longer range.


One question I have for this group is: what hull do you think would best show the capabilities of this system, and the benefit of clean, quiet power? We're currently using a hull that rowing coaches normally use, but that's not mainstream. 


Thanks.


Andy


Respectfully,
Dan Hennis
;-)>

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Posted by: "Dan Hennis" <dhennis@centurytel.net>
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