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Old 05-22-2009, 08:44 AM   #1
bigalrc
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Join Date: May 2006
Location: New Florence, PA
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Default Engine thrust angle

I have an OMP Edge 540 that I've had and have been flying a couple of years. Can anyone tell me what the engine thrust angle should be. I know the angle is built in but, on my uplines it veres left and toward the canopy and inverted it climbs . According to my cg machine I have to move my cg back further yet. I know I have conflicting results, any help?
Thanks ,AL
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Old 05-22-2009, 06:42 PM   #2
bigalrc
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Default Re: Engine thrust angle

I got my cg straightened out , haven't flown it yet , but would still like to know the recommended thrust angle.
AL
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Old 05-22-2009, 10:35 PM   #3
Edgeman 540
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Default Re: Engine thrust angle

I usually like to set may planes thrust line up like this.
Fly straight then pull straight vertical,let the plane slow to almost a stop then go to full throttle with your fingers off the sticks check for the following...If the plane pulls to the belly add up thrust,if it pitches to the canopy add down thrust.Now if the plane pulls to the left add right thrust and if it pulls to the right add left thrust.This can all be accomplished by adding washers behind the motor mount to achieve what thrust you need.If you need right or left thrust you can always add a throttle to rudder mix to get it to fly straight but if its way off just use the washers.
Also to give you a heads up you can read more about this and many other ways to correctly set your aircraft up on Troybuilt Models website.
www.troybuiltmodels.com
I hope this helps you out. Good luck.
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Old 05-24-2009, 09:40 AM   #4
bigalrc
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Default Re: Engine thrust angle

Thanks edgeman. That's basically what I did except I just did the vertical upline without leaving it die down and adding more throttle. Just on a vertical upline it pulled left. I'm going to add more right and try again.
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Old 05-24-2009, 10:30 AM   #5
Edgeman 540
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Default Re: Engine thrust angle

Glad to help and happy flying.
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Old 05-24-2009, 10:32 AM   #6
Edgeman 540
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Default Re: Engine thrust angle

Just a thought,if its not pulling to the left that much just add the rudder mix.
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