[alberg30] Re: Props

[Thomas Parks]

From: "Thomas Parks" <parks24 at hotmail.com>

On TRADEWINDS the engine had been replaced before we bought her  with a 
Westerbeke 20B which is rated at 18HP. We have a 3 blade 13X9 prop with 
a 7/8 bronze shaft. I have not run mine over 2500 RPM and can run at 6 
knots on Lake Michigan in 2 to 4 foot waves. I don't know what kind of 
fuel economy it gets for sure but can tell you that when we came over 
from Milwaukee to South Haven last summer we had to run the engine for 
five hours due to no wind. I also used it the rest of the summer going 
in and out of South Haven sailing on the same tank of fuel. It takes 
about 30 minutes to go out or in, depending on how long we have to wait 
at the drawbridge. We probably made ten trips out plus a couple of joy 
rides around the harbor for a couple of hours. I don't know what this 
all adds up to but I took 3.4 gallons of diesel when I filled for the 
winter. I guess i'm saying I think we got pretty good fuel economy.
Hope this will help in deciding what to do,
Tom Parks
TRADEWINDS #48

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