.049 throttle

Ivanhoe Fri Apr 13, 2012 10:54 am

I bought one of these custom throttles off US Ebay a while ago, I've just assembled a SS to go into the Honker I'm building from the plan Andrew posted a while back.

.049 throttle Thrott10

I must admit to being quite impressed with the throttle, it comes as a replacement cylinder/piston with the throttle barrel fitted to the cylinder, you can't use the throttle ring on another cylinder because they seem to be lapped together.
The engine throttles really smoothly down to just sub-7,000 rpm, pickup is instant, and you can arrange the throttle to close completely to kill the engine if you wish.

I'm not usually a fan of exhaust restrictor throttles, but this one is very good indeed.

dankar04 Fri Apr 13, 2012 11:02 am

Looks very good. Glad to hear it works.

Cox International Fri Apr 13, 2012 2:26 pm

"ranalongway" sells those and I bought one as a sample. Yes, they are good!

dankar04 Fri Apr 13, 2012 2:38 pm

In the distant pass, exhaust restrictors were used to adjust speed. Early hi-performance boat engines used this as UC Carrier engines. Worked pretty good.

Ivanhoe Fri Apr 13, 2012 4:20 pm

Cox International wrote:"ranalongway" sells those and I bought one as a sample. Yes, they are good!

Yes, that's who I bought it from

nitroairplane Fri Apr 13, 2012 6:33 pm

Ivanhoe wrote:
Cox International wrote:"ranalongway" sells those and I bought one as a sample. Yes, they are good!

Yes, that's who I bought it from

Wilf, try to get a throttled medallion with the venturi/exhaust linkage.

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.049 throttle

.049 throttle

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