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HBaker
Joined: 16 Nov 2008
Posts: 119
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 Posted: Thu May 16, 2013 4:25 pm Post subject: Fuel flow |
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I was doing some taxi and runup tests today , both tanks on ,boost pump on, prop full fine and can only get 2000 rpm , fuel flow is around 15 GPH am I supposed to get 2900 . And also my tires are going around on my rims ? and spoiled my tubes ever hear of that before? Running 50 psi in the tires .
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Currently building a Murphy Moose - any help would be appreciated. |
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tedwaltman
Joined: 09 Apr 2010
Posts: 15
Location: Denver, CO
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| Posted: Thu May 16, 2013 7:40 pm Post subject: Re: Fuel flow |
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Hello Henry,
I've tried to email you at henry.baker(at)nf.sympatico.ca but emails continue to be rejected.
Assuming you're measuring prop rpm, you need to make a radical adjustment to your governor mount if you're that short of max rpm. I've always only run 20 to 25 max rpm. I've never had my tires rotate on the rim. Feel feel to email me anytime ted(at)vafm.org
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HBaker
Joined: 16 Nov 2008
Posts: 119
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| Posted: Fri May 17, 2013 2:01 pm Post subject: Re: Fuel flow |
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That was my tack reading, first thing I will check is my throttle to see if I have full deflection, then maybe prop, I do I know if I have full fine? What should static run up be ?after that I will check for restrictions. Any other Ideas?
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Currently building a Murphy Moose - any help would be appreciated. |
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tedwaltman
Joined: 09 Apr 2010
Posts: 15
Location: Denver, CO
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| Posted: Fri May 17, 2013 3:10 pm Post subject: Re: Fuel flow |
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Max rpm is 2,950 (engine) or 1941 (Prop). Idle should be about 800 engine or 530 prop. email me off line if you need copy of document on how to check/set prop angle (tedwaltman(at)gmail.com). I do static at 1950 engine or 1300 prop.
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