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Re: Engine Compartment vents at stern
#2408
08/27/07 10:07 PM
08/27/07 10:07 PM
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Joined: Feb 2003
Posts: 127 Chicago, IL, US
rdpierce
Senior Member
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Senior Member
Joined: Feb 2003
Posts: 127
Chicago, IL, US
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Uh oh....
My boat had two cowls in the back. One was connected to some kind of electric fan, the other disconnected. The blower never worked, so I removed it and all the hose materials. Now both cowls just vent into the space behind the engine panel.
Does the engine compartment need some kind of active ventilation? It's not like it's air tight, and the path of the hoses is still open.
Thanks,
Ryan Pierce Tesara, #337
Ryan Pierce, #337
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Re: Engine Compartment vents at stern
#2409
08/28/07 07:53 AM
08/28/07 07:53 AM
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Joined: May 2007
Posts: 2,668 Portsmouth, RI
Rhapsody #348
Past J/30 Class President
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Past J/30 Class President
Joined: May 2007
Posts: 2,668
Portsmouth, RI
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Ryan - I don't think the venting is critical for engine operation, because the space is not air tight, however...
The engine compartment should get some sort of ventilation to prolong engine life and remove the heat generated there. The engine intake consumes air in that space for engine combustion, and cooler air on the intake helps it run more efficiently. Also, if there are any fumes (e.g. exhaust leak, crankcase oil fumes, etc. you could create an unsafe condition below when motoring. Bottom line - the Yanmar won't stop operating if the space isn't vented, but it's safer to vent and in the long run, your Yanmar will feel better!
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