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Thu, April 25 2024, 03:37 [ Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 1, 2, 3, 4, [5], 6, 7, 8, 9 ]

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Date Posted: - Sunday - 11/15/09 - 9:52pm
Author: Terry
Subject: Best Prop for M36

Hi There!

Any opinions on the best three blade prop for the M36?

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Replies:

[> M 36 Prop -- Brian, - Wednesday - 12/ 2/09 - 5:04pm

I just replaced my prop, Shaft, cutass bearing and coupling on my Mariner 36. I have a Perkins 4-107 that runs very strong, the trans is a Borg Warner. I think the ratio is 2.53 to 1.
The hull displaces 22,000 lbs. I had a 18" X 12 pitch 2 blade, left hand prop. I was able to reach 3000 RPM's (the 2 blade was very skinney)
I replaced it with a 3 Blade 18" X 10 pitch, left hand prop and am very happy with it. I get around 2800-2900 RPM's. It is much smoother with no vibration. At 2000 RPM's I reach about 5 1/2 to 6 knots.
If you have a Borg Warner transmission the ratio is attached on a plate that is bolted on the top, port side of the trans. I cleaned mine up with a little pumice hand cleaner to read it.

Good Luck

Brian Sweeney 1973 M36 Hull #9

My email is Sweendo44@aol or if you are in the USA call me if you would like 661-713-4371


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[> [> Thanks Brian I appreciate the info! -- Terry, - Wednesday - 12/ 9/09 - 12:54am

Thanks Brian for the info!


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