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under water exhaust - 8/29/2008 2:02:59 AM   
g master


 

Posts: 112
Joined: 10/18/2007
From: , NE, USA
Status: offline 		hey guys I was wondering if I could mount my home made exhaust under water on my the hull I love the sound it makes (at least on boats)
any help would be great by the way my home made exhaust is just copper piping
       Post #: 1

RE: under water exhaust - 8/29/2008 3:12:03 AM   
fun4ej



Posts: 221
Joined: 4/18/2004
From: San Diego, CA, USA
Status: offline 		The tops of my exhaust pipes are right at waterline when the boat is at rest and I it runs just fine.

exhaust video...not on the water

_____________________________

Dumas Skater w/CMB45, Dumas Skater w/Sikk, ThunderCat 31 w/.46, Villain IV rescue boat

(in reply to g master)
       Post #: 2

RE: under water exhaust - 9/1/2008 8:52:29 PM   
g master


 

Posts: 112
Joined: 10/18/2007
From: , NE, USA
Status: offline 		sorry I was gone on a trip to lake lake, but what happens if the engine die's

(in reply to fun4ej)
       Post #: 3

RE: under water exhaust - 9/4/2008 9:23:48 PM   
stringcheese


 

Posts: 83
Joined: 3/17/2008
From: Waterford, MI, USA
Status: offline 		Exhaust pipes in "real" modern boats have one way valves (rubber flaps) at the ends of them. They do still take on water when the boat sits but these prevent backwash on decelleration. Most are PVC exhaust tubes so are imprevious to rust. Also, real boat engines are set up at least a foot off the water (even on the comp. ski boats) so there is no problem there with water going into the engine. The only way I can think of doing this in rc is to still have backwash flaps and to not have a tuned pipe and have a trap like under the kitchen sink to keep water out of your engine. Yes it can be done, but not with tuned pipe. i'd rather have the tuned pipe.

(in reply to g master)
       Post #: 4

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