Glow Engines Discuss RC glow engines

OS 300 Twin Problems

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Old 09-06-2012, 01:45 PM
  #1  
morganflyboy
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Default OS 300 Twin Problems

Hello Everyone
I am having a problem with my O.S. 300 Twin, I go thru the priming procedure like the manual says to. Throttle fully open, choke applied and 2 counter clockwise rotation and the 2 clockwise rotation to prime the cylinders. When I spin her over there is so much raw fuel coming out of the pipes it is coating the tires on both sides. I gave the Air Bleed Screw a 1/2 of a turn counter clockwise which according to the manual should mix more air then fuel, I am using an EDI on board glow system to the glow plugs and all is working. I am at my wits ends with this thing, I need some advice and help on this one.

Thanks Morgan [&o]
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Old 09-06-2012, 02:51 PM
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P-40 DRIVER
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Default RE: OS 300 Twin Problems

what is your fuel tank height? , sounds like your syphening fuel. Tank shoud be centered on carb and fuel lines high looped. Even that may not be enough to prevent syphening.
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Old 09-11-2012, 09:11 AM
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Cobra1
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Default RE: OS 300 Twin Problems

You do not say if it starts after the priming. When I prime my 300 twin fuel also comes out of the pipes. I then set the throttle to idle, attach the glow driver and lightly prop backwards against compression and it starts right up. Does it start?
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