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low rpm

by thomas spinard in General Tech Discussion 12 years ago

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Re: low rpm

by thomas spinard » 12 years ago

thomas spinard

5 6 8

thank you bill,, yours sounds like a good plan 5500 rpm is more than enough. if i could adjust i will do just that thanks tom

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Re: low rpm

by Roger Lee » 12 years ago

Roger Lee

125 5.11k 4.52k

Hi Thomas,

If you have a fixed pitch prop then yes it will need a new prop and I would highly suggest a ground adjustable prop. I'm personally not much into fixed pitch props any more. They just seem limited.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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Re: low rpm

by Joe Kulbeth » 12 years ago

Joe Kulbeth

1 17 0

I most certainly agreed with Roger Lee. A change of prop is much cheaper than an engine. You really should take Lee's advice seriously.

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Re: low rpm

by Dale Atchetee » 12 years ago

Dale Atchetee

9 33 0

The original poster says "I get 5100 rpm on take off", then he says "I throttle back to 4000 rpm for cruise".
If he is getting 5100 rpm on take off, he will most likely get 5500 rpm or a little more in level flight wide open throttle.
To me the prop is pitched perfect.
Dale

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