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Old 04-06-2008, 01:22   #1
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Exhaust for midship engine

I am having built a 65' yacht with midship engine room. Will have gas/water separation in the exhaust. Is it a practicable alternative to have a 135HP propulsion motor and gensets exhaust to the side rather than via gas-tight casing through the aft cabin to the stern? I can see difficulties with back-pressure when motor-sailing.
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Old 04-06-2008, 07:19   #2
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I have seen many yachts with exhausts out the side.

George
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Old 04-06-2008, 09:14   #3
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Goto: http://www.abycinc.org/committees/P-01.pdf
ABYC Standard P-1'
INSTALLATION OF EXHAUST SYSTEMS FOR PROPULSION AND AUXILIARY ENGINES
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Old 05-06-2008, 02:10   #4
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Gord, Thanks for that reference. I know the principles are the same whether side or stern exit. Wondering about back-pressure if motor sailing and if exit to both sides would be required. I guess so, since this is a sailing vessel which is bound to dip its gunwales sooner or later.
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