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HELP servos operated hi speed

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HELP servos operated hi speed

Old 02-07-2007, 09:44 AM
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Flying freak
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Default HELP servos operated hi speed

does anyone know what comany makes a high speed nedddle valve that is tuned via servos.. i think the DF guys use them
Old 02-07-2007, 10:04 AM
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Don M.
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Default RE: HELP servos operated hi speed

The only ones I have seen were made buy adapting a nose wheel steering arm to fit the needle valve. If the needle valve is mounted on the engine you best use a spring somewhere in the link. If the needle valve is remotely mounted away from the engine a solid connection may be OK. I made one myself many years ago to use on a troublesome Magnum .45, hooked the servo to the flap knob. Worked well but still a pain in the *** A fuel pump or a Cline reg. would be better.

Other than that check with BVM or one of the other jet guys. Although most are turbines now.
Old 02-08-2007, 01:01 AM
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Default RE: HELP servos operated hi speed

G'day Mate,
OS make a servo operated in flight mixture control.
http://www.os-engines.co.jp/english/...s/parindex.htm
Page 4.
Old 02-08-2007, 06:50 AM
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Don M.
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Default RE: HELP servos operated hi speed


ORIGINAL: alan0899

G'day Mate,
OS make a servo operated in flight mixture control.
http://www.os-engines.co.jp/english/...s/parindex.htm
Page 4.
Interesting web site - thank you

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