{Stus-List} Diesel engine compartment blower

cscheaffer at comcast.net cscheaffer at comcast.net
Sun Jan 30 13:24:49 EST 2011

Sounds like a good idea. I've read a few How-To articles that advise adding fans. A diesel engine starving for air will exhibit symtoms of increased black smoke, loss of higher RPMs, overheating, and increased engine wear. 

I started a similar project; added air louvers to our boat's transom, intending to add the hoses and an exhaust fan in near future. 


----- Original Message ----- 
From: "Rick Brass" <rickbrass at earthlink.net> 
To: cnc-list at cnc-list.com 
Sent: Sunday, January 30, 2011 1:23:19 AM 
Subject: Re: {Stus-List} Diesel engine compartment blower 

I’m doing a fairly major refit on my 38 (which seems to get more major with each item I work on. The more I disassemble, the more stuff I find that needs to be done) She has a Universal diesel installed, but was originally built with an A4, so there was a blower. 

You’re correct that a diesel powered boat does not need a blower as a fire safety item. But I plan to reinstall mine anyway – with the air hoses rerouted and blower motors in both the intake and exhaust. I have two reasons: air flow into the under cockpit area to help with cooling for the refrigeration I am installing, and airflow to purge any odors that might result from fuel or lube oil that gets spilled into the bilge. I figure as long as the blowers, vents and hose is there, it can’t hurt to have the system available. 

Rick Brass 

Washington, NC 

From: cnc-list-bounces at cnc-list.com [mailto:cnc-list-bounces at cnc-list.com] On Behalf Of larry dick 
Sent: Monday, January 10, 2011 12:00 AM 
To: cnc-list at cnc-list.com 
Subject: {Stus-List} Diesel engine compartment blower 


I'm doing a refit on my new boat,pulling old abandoned wiring,renewing plumbing etc,and I've come upon a dilapidated blower system in the engine compartment.By the look of it,I don't think it has been operational for a long time,and yet the boat has been sailed up till recently. This boat has a yanmar diesel. I realize diesel fumes don't ignite,and that there could be other reasons (cooling the compartment etc.) for using a blower. I certanly have no problem with replacing the blower and ducts if they are a benefit.I'd be interested to know your thoughts on this. 



Sooner 35 MKiii 
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