T-Pain Is On A Boat: Re: [Electric Boats] Project lagoon 410

Wednesday, June 6, 2018

Re: [Electric Boats] Project lagoon 410

Hi Steve

Thank for your message.

I heard about electric lagoon and the owners handed over diesel engines. What is the reason for this failure?

I'm sailing always with the wind, in the Caribbean, and i use engine only to go in or out marina or moorings. on rare exception i use engine when there is no wind.

I have solar panel (300w) and a D400 aerogen. I would like to exploit the regeneration under sail and put additional solar panels eventually.

I understand that a genset for security is necessary but i would like never use. My first idea is 10kw brushless (my wife said why not a 20kw), controller with regen fonction, and before reading you and 144V  I would 42V battery, type of battery not decided cause the price for now.

a problem for me to solve is how to put the electric motor on the SD20 saildrive?

Pascal

Guadeloupe

2018-06-06 8:46 GMT-04:00 'Steve Dolan' sdolan@scannersllc.com [electricboats] <electricboats@yahoogroups.com>:

[Attachment(s) from Steve Dolan included below]
Pascal,
I have 1 of the 3 Lagoon (2004) 410's built with Electric drives.
The system is no longer produced as a "kit" from Solomons Technologies but if there is anything I can help with just ask. I'm running LiPo4 batteries from CALB and a 144V system which I couldn't be happier with.. Here are a few things to consider.
Your going to need a 21KW GenSet for extended run times. This is enough AMPS to not only run at full speed under the genset but also charge the battery Pack at the same time.
With the LiPo4'S you will need a BMS. I'm using the ORION BMS with the Andromeda Display at the helm to monitor the batteries and motors.
Attached is a general system layout.
The ST74 motors put out 12HP per side. I do 6 to 7 knots.
In general a system like mine would run around $40K.

So it's not the least expensive system out there, I'm sure there are a few others that may be cheaper however I would go 144V for the low amp draw.

Hope that helps,

Steve in Solomon MD
Lagoon 410 SE

Hello

I would to change my olds yanmar 3GM30 (27hp) on my catamaran lagoon 410 (1998) by electric solution.

Who can help me to find the best and inexpensive solution, please.

Best regards

Pascal Morin
Guadeloupe

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Posted by: Pascal MORIN <squalmail@gmail.com>

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