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Conference unifix::sailing

Title:SAILING
Notice:Please read Note 2.* before participating in this conference
Moderator:UNIFIX::BERENS
Created:Wed Jul 01 1992
Last Modified:Mon Jun 02 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2299
Total number of notes:20724

1959.0. "ventilation of O/B in stern well" by AIDEV::TRNTBL::thompson (Mike) Wed Nov 11 1992 11:43

This note may interest owners of small cruisers with 'traditional 
lines' which have an outboard engine in a stern well.  I believe the 
benefit of this is aesthetic.

It is usual to have two dorades, one pointing forward and the other 
pointing astern.  On my CD-25, I did not find this sufficient.  When 
motoring slowly and/or downwind, exhaust entered the well, engine revs fell 
and the engine began to run roughly. 

This season, I replaced one dorade with a 12v ventilator* attached to a 4 
inch flexible pipe that descended into the lower part of the well.  It 
works very nicely.  I can now motor under any conditions with the top and 
front engine covers both closed.

	Mike

* Nicro Marine NF 20354s List $162.5 at Sail US was $89.95
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