Friday, May 12, 2017

Re: [Electric Boats] My E-Ray - Converting a planing hull cruiser to electric propulsion

 

Cliff. 

The Eray is a great way to save a boat if your happy at hull speed as I am.  Thought you might be interested in the ETolly if you havent already seen it.  Looks like a good example of what you'd like to accomplish.  


Follow progress on Youtube.  

 Replace the Westerbeak with a 10kw DC generator for extended trips.

I look forward to following your project progress

Phil.

On May 4, 2017 3:17 PM, "cliff_sadler@yahoo.com [electricboats]" <electricboats@yahoogroups.com> wrote:
 

I accidently hijacked Scott Masterson's thread about his 3 conversions, so I am moving my project to a new conversation.

You can read within his thread to get some of the bantering we have been doing about this repower.  I will move some of the relevant posts over to here.


In a nutshell:

1998 Sea Ray 370 Sundancer

twin 454 EFI 380 HP each Gas ICE w/ 2 140 gal gas tanks

7.0 BCG Westerbeke generator

35-36' LWL, 18,000 displacement, 12.5 ' beam, 3' draft

1.5" shafts, swinging 18x22 3 blade props


Desired outcome:

Retain 7.0 BCG Westerbeke, or replace with diesel equivalent for house amenities and charging

Replace ICE with twin electric to obtain at least 5 knots for up to 2 hours

Prefer air cooled, but open to other technologies (oil cooled, etc)

Start with fairly conventional batteries, and wait for technology to improve and costs to come down

Overall project cost is a factor - Vendor/Manufacturer partnership?


Usage model:

Close quarters maneuvering around marinas and anchorages, with typical light winds and none to light currents. Protected bay and extensive ICW areas to play in on the sun coast of Florida.

5-7 mile max run in any particular direction before anchoring, or docking for extended periods (4-6 hours)

Show off the potential of re-purposing perfectly good cruisers who's power plants are expired, with E power


OK, fire away......



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Posted by: Phil Burgess <pgburgess01@gmail.com>
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