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[GMCnet] Re: Shark Vents [message #368186 is a reply to message #368179] Fri, 24 December 2021 18:58 Go to previous messageGo to previous message
James Hupy is currently offline  James Hupy   United States
Messages: 6806
Registered: May 2010
Karma:
Senior Member
On boats, those bilge vents are a very important safety component.
Particularly with gasoline fueled vessels. Not quite as big a hazard with
diesel fuel, but still a good idea. I also have a good deal of experience
with boats, not as many pleasure craft, but much with work boats. Both
fresh water and salt water. Mostly fishing boats in 30' to 100' lengths.
Those bilges are knarly, greasy places for the most part. Coast Guard will
inspect those vessels and cite the heck out of owners for inoperative bilge
vents.
Jim Hupy
Salem, Oregon

On Fri, Dec 24, 2021, 4:39 PM Jim Kanomata wrote:

> Mac,
> Our coaches have air forced by the cooling fan, so by having one in and one
> out would not function well as air will vent out.
>
> On Fri, Dec 24, 2021 at 4:12 PM D C _Mac_ Macdonald
> wrote:
>
>> On boats, engine room vents are REQUIRED on all vessels
>> with engines installed inside the hull. They are positioned
>> on opposite sides of the hull. One vent is oriented so that
>> air is directed into the engine room when the boat is moving
>> forward and out of the engine room on the other side.
>>
>> Also on boats, powered venting is required to forcefully
>> exhaust air OUT of the engine compartment. Safety
>> demands operation of the vent fans for at least 5 minutes
>> before engine start! This is to eliminate any fuel fumes that
>> may be in the compartment. It is unlikely that our coaches
>> have room enough for that, though, and we need to have
>> motion down the road.
>>
>> I believe if I were to add those vents, I would install the
>> input side on the left hand sided of the coach, simply to
>> keep the fuel intake area (and driver window) out of the
>> hot air exhaust.
>>
>> D C "Mac" Macdonald
>> Amateur Radio K2GKK
>> Since 30 November '53
>> USAF and FAA, Retired
>> Member GMCMI & Classics
>> Oklahoma City, OK
>> "The Money Pit"
>> TZE166V101966
>> '76 ex-Palm Beach
>> k2gkk + hotmail dot com
>>
>>
>>
>> ________________________________
>> From: James Hupy
>> Sent: Friday, December 24, 2021 17:34
>> To: gmclist@list.gmcnet.org
>> Subject: [GMCnet] Re: Shark Vents
>>
>> One of the first things I did to my coach after I got it was to install
> the
>> vents. I think that they add a great deal to removing engine heat. I left
>> the inner fenders intact. If you choose to run without inner fenders, I
>> don't think you need the "shark gill" vents. But they look cool anyway.
>> Jim Hupy
>> Salem, Oregon
>>
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>
>
> --
> Jim Kanomata ASE
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.gmcrvparts.com
> 1-800-752-7502
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