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Old 07-02-2012, 07:12 PM
  #5085  
hobby_man
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Default RE: SYSSA 30CC GAS MADE IN USA


ORIGINAL: Joystick TX


ORIGINAL: hobby_man

It took me 13 tries to figure out why the motor would not run in the air.

darn thing ran fine on the ground after I got the new carb!


I'm confused again. You said you replaced the old carb with a new one and that it ran good on the ground, but not in the air. Also, the old carb had junk in the filter which explained why the engine ran so bad for 13 flights.

Now that you know why it won't run in the air with the new carb, what was the problem? Cowl air pressure changes, cooling, or something else?

10 flights with the old carb 3 flights with the new.

Cooling? what is the engine temp suposed to be? My telemetry says the temp is at 350 F, measured on the windward side of the jug, 1 inch down the jug from the plug.

I tried blocking several area's of the cowel to redirect the air flow with no changes in temp.