Spring rev limiter in carb  
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All Forums >> RC Boats >> Speed - RC Gas Boats >> Spring rev limiter in carb
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Spring rev limiter in carb - 7/5/2008 1:52:40 AM   
dotdotdot


 

Posts: 16
Joined: 5/20/2008
From: Mount Maunganui, NEW ZEALAND
Status: offline 		I've heard of guys going on about a rev limiter that works by using high vibrations to cut of fuel and I was wondering if this is what it looks like.
If so do I remove the spring and fill support it with a solid piece of metal?

Thanks

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RE: Spring rev limiter in carb - 7/5/2008 2:06:32 AM   
Justaddwata



Posts: 3453
Joined: 2/24/2005
From: RI-USA, RI, USA
Status: offline 		NO - leave your carb alone. There are no "rev limiters" built into a zenoah carb.


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(in reply to dotdotdot)
       Post #: 2

RE: Spring rev limiter in carb - 7/5/2008 2:20:33 AM   
dotdotdot


 

Posts: 16
Joined: 5/20/2008
From: Mount Maunganui, NEW ZEALAND
Status: offline 		Ok thanks. I just thought there might be one as it is of a chainsaw.

What does that thing do then?

(in reply to Justaddwata)
       Post #: 3

RE: Spring rev limiter in carb - 7/5/2008 2:53:05 AM   
adkmachines


 

Posts: 1
Joined: 6/27/2008
From: tupper lake, NY, USA
Status: offline 		The spring controls "pop off pressure" in the carb. In theory the spring pressure should match the vacuum the engine requires to give it the proper fuel amount. If the spring is too stiiff, the engine will bog or studder when the motor requires more fuel. The opposite will happen if the spring is too weak. It's kinda like an engine tuning challenge.

(in reply to dotdotdot)
       Post #: 4

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