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Tue, November 30 2021, 19:07Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 1234[5]678910 ]

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Date Posted: - Tuesday - 03/10/09 - 1:14pm
Author: Lyle Harris
Subject: Final note on Thru-Hulls
In reply to: Kathy Campbell SHADOW M32-#3 's message, "transducers an sounders" on - Monday - 02/ 9/09 - 10:49pm

Follow-up to how many thru-hulls below the waterline on an M31... I'd originally thought there would be three thru-hulls below the waterline to replace. Turns out there were six. I'm fairly certain this was the original configuration for the M31. There are three in the Head, and three in cockpit area.
The cockpit drains and head (toilet)drain are all 1.5 inch size. The toilet saltwater intake and head sink intake are 3/4 inch, and the engine raw-water intake is 1 inch. All thru-hulls were mushroom-flanged bronze.
I suppose it could be different for other boats, but this is what I found.

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