Friday, January 25, 2019

[Electric Boats] Is the list still active?

 

I've got my buddy Kevin in St Thomas who is trying to reinvent the electric boat wheel with a series of 12 foot solar powered "picnic table" cats. I directed him to this list, I think we could save him a great deal of experimentation as what he's talking about trying I've seen done before on this list. He tried to join, but no response. I've also noticed things have kind of wound down in the last month or so, I remember something about Yahoo was going to get rid of groups. Did I miss the signal that the group was going el
sewhere?
Thanks,
Jerry Barth

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Monday, January 21, 2019

[Electric Boats] Ground wire sizing

 

Hello all, I have a sanity-check question to make sure I'm interpreting ABYC correctly for my electric boat conversion.

I have 3 electrical systems onboard:
1. Shore power, 120VAC 30A, dock only, no inverters. 10AWG from inlet to main panel. Branch circuits (all 15A breakers) are 12AWG.
2. 48V electric motor, max amperage 120A. 2AWG from pack to motor.
3. 12V accessory power. Actual max amperage is very low (just LED running lights and a radio), but I'm sizing the wires from the battery to the DC panel for the max panel amps, so I'm using 4AWG from battery to panel. Branch circuits are 16AWG.

My plan is to use a bus bar (probably the Blue Sea MaxiBus 250A 4 post) as the common grounding point.

I'm looking at ABYC E-9 (13) figure 15, DC NEGATIVE SYSTEM - DC GROUNDING SYSTEM. My takeaway here is that each system should using a grounding wire the same size as its biggest wire size. So the Shore power panel to ground should be 10AWG, the 48V battery to ground should be 2AWG, and the 12V battery to ground should be 4AWG. However, the alternate interpretation is that all wires should be the largest size, so all three need to be 2AWG.

So which way is right: each system uses the size of its largest conductor (10, 2, and 4, Dr Pepper time), or every system uses the size of the largest conductor (2AWG).

Thanks,
Brian


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Sunday, January 13, 2019

RE: [Electric Boats] Re: ElectraGlide

 

HI Cam,

The motors through Alex?

I contacted him to see if there was any available and he was going to check.

 

Sure Email would be fine.

 

Steve

 

From: electricboats@yahoogroups.com <electricboats@yahoogroups.com>
Sent: Saturday, January 12, 2019 12:14 PM
To: electricboats@yahoogroups.com
Subject: [Electric Boats] Re: ElectraGlide

 



Hey Steve,

 

Would you mind if I reached out to you through email or social media to discuss your experiences with the system? I might be able to get my hands on some motors and I'd like to talk to owners ... :)

 

Let me know ... 

 

Cam




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Posted by: "Steve Dolan" <sdolan@scannersllc.com>
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Saturday, January 12, 2019

[Electric Boats] Re: ElectraGlide

 

Hey Steve,


Would you mind if I reached out to you through email or social media to discuss your experiences with the system? I might be able to get my hands on some motors and I'd like to talk to owners ... :)

Let me know ... 

Cam

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Posted by: daqieq@yahoo.com
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Wednesday, January 2, 2019

[Electric Boats] Re: Buchan 37 conversion

 

I am going to be converting from MD3B and parting it out. It runs but not well. Can you tell me what electric motor system you are choosing? I am just starting what looks like an exhausting search!

Thanks, Roger

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