Re: [electricboats] One engine down...looking for solutions/suggestions

I'm looking at doing the same conversion. I have the 120s with a couple tired VP D2-40s. My concern was the increased immediate load vs the ramped up torque via the ICE. Would love to get it installed by end of year!

On Thu, May 6, 2021 at 9:32 AM Carsten via groups.io <Carstensemail=yahoo.com@groups.io> wrote:

Seems that saildrive conversions is a recurrent issue here.

Have any of you ever made a conversion to electric on a saildrive ?

I would like a direct driven solution too.

But I need an electro motor optimized for 1600-2200 RPM. Not 5000.

Do any of you know a supplier who can deliver such low rev (optimized) motors ?

Do we have to go to China for this, or are there still qualified suppliers in the West ?

For power rating, my Volvo Penta 100S saildrive is supposed to be supporting a 24 HP diesel.

But the torque, and the torque forces when changing direction (eg. from full forward to full backward) might not be a good cup of tea for the small gear wheels of the lower part, as electric powered motors has so much more torque power.

Please comment :-)

On Tuesday, 4 May 2021, 21:20:25 GMT+8, Timdownes61@gmail.com <timdownes61@gmail.com> wrote:

Hi Flip

I have a similar issue one of my 2002 engines is 35 years old and not got a bright future, rather than a rebuild, an electric motor fitted to the S120C saildrive is my preferred option.  Have you considered using the rear gearbox mount only or building a frame to utilize the 2 diesel mounts as well to handle the lateral force from the rotating prop?

I will be watching your progress with interest. Motor direct coupled to vertical shaft is intriguing

Tim
33ft Imp Catamaran

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