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From: barry Brazier (no email)
Date: Thu Jul 07 2005 - 23:38:33 EDT
At 5 knt. I think it is easy to produce a prop shaft speed of >500 rpm using an typical 18 x 10 prop. That could produce a alternator speed of >1500 rpm using a 3:1 belt dive and produce 15 amps at 12 volt.
Barry
----- Original Message -----
From: cirejay
To:
Sent: Friday, July 08, 2005 11:55 AM
Subject: [world-cruising] Re: reefers and water powered alternators
--- In , "barry Brazier"
<b dot w dot brazier at b dot dot dot > wrote:
> The guy in Oz who sold kits for prop driven generators rewound car
generators so they operated at slower revs.
> He got 15 AMPs at 5 kts.
15 AMPs at 5 kts. Yep, that sounds like Oz :-)
eric S/V Nebaras
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