Bullet Owners
07-16-2008 | 08:38 AM
#21
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Joined: Oct 2000
Posts: 3,161
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From: Darien, CT
I have had what I thought was condesation when I run alot at faster speeds, but after looking at some action pics of my boat, it does look like the exhaust is swirling up around the transom. Mine's an 88 with no notch.
I do have another theory though. Could it be the swim platform is changing the aerodynamics of the boat? I wouldn't think the speeds we're talking here would matter?
Does everyone that have this problem have a swim platform?
I do have another theory though. Could it be the swim platform is changing the aerodynamics of the boat? I wouldn't think the speeds we're talking here would matter?
Does everyone that have this problem have a swim platform?
07-16-2008 | 01:36 PM
#22
JC Performance Engines
Joined: Jul 2002
Posts: 8,904
Likes: 33
From: Long Island, NY
My thought is that the rear vents create a vacuum.
Once you crack the hatch, the vacuum it is eliminated and the air would flow out of those rear vents.
You could install vents on the sides of the hatch, which would do the same as opening the hatch.
Once you crack the hatch, the vacuum it is eliminated and the air would flow out of those rear vents.
You could install vents on the sides of the hatch, which would do the same as opening the hatch.
07-16-2008 | 03:39 PM
#23
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Joined: Jan 2001
Posts: 2,292
Likes: 20
From: Grand River, Ohio
Stormrider is correct. The inlet scoops on the front port and starboard sides of the hatch are not letting enough air in. You have to open up the fron intake to allow the air to flow better, front to back.
07-18-2008 | 09:09 AM
#25
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Joined: Oct 2004
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From: Long Island, NY
Sean - PRA event on the 26th of July or August? Either way, we'll be there.
Back to my problem, I would guess that if I cut additional vents into the sides of the upper deck of the engine compartment that would help. Just trying to figure why only some Bullets have this problem.
Hate to change the look of the boat.
Here is a shot of a Bullet with additional side vents.
Back to my problem, I would guess that if I cut additional vents into the sides of the upper deck of the engine compartment that would help. Just trying to figure why only some Bullets have this problem.
Hate to change the look of the boat.
Here is a shot of a Bullet with additional side vents.
07-20-2008 | 05:31 AM
#26
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Joined: Nov 2002
Posts: 2,399
Likes: 1
From: LONG ISLAND/LAKE MURRAY
Carter - I run with the blowers off as they are drawing air out of the engine compartment (maybe I need another pair of blowers wired to blow into the engine compartment
).
JSP- The exhaust tips are about as long as your "shotguns". I was thinking about cutting the angled tips so they would accept the Salisbury (sp?) type of external exhaust flapper - maybe that will knock down the spray and allow the back vent to breath without drawing in water vapor?
I just think the whole thing is strange because I know others do not have this problem.
).JSP- The exhaust tips are about as long as your "shotguns". I was thinking about cutting the angled tips so they would accept the Salisbury (sp?) type of external exhaust flapper - maybe that will knock down the spray and allow the back vent to breath without drawing in water vapor?
I just think the whole thing is strange because I know others do not have this problem.
07-20-2008 | 05:51 PM
#27
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From: Long Island, NY
I just cut the anged tips off and shortened the tip to 3". Added the Salisbury flappers and so far, seems to be almost NO water coming down the inside of the transom. May still try to put small bumbers (spacers) under the hatch so just a littel more air gets into the engine compartment.
Don
Don
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