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czechsix(at)juno.com
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 Posted: Sun May 07, 2006 7:28 am Post subject: Idle mixture screw on MA-4-5 |
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Guys, I'm getting almost no RPM rise when I pull the mixture to idle
cutoff at shutdown, and occasionally get some hesitation when I apply
full throttle for a go-around. Which probably means my idle mixture
setting is too lean. I don't have a manual for the MA-4-5 carb on my
O-360 so I'm wondering if anybody remembers which way I turn the screw to
make it richer?
Thanks,
--Mark Navratil
Cedar Rapids, Iowa
RV-8A N2D flying 36.4 hours now, almost done with test phase!
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randy(at)romeolima.com
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| Posted: Sun May 07, 2006 8:17 am Post subject: Idle mixture screw on MA-4-5 |
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Turn the screw out (counter clockwise) to enrich.
Randy Lervold
| Quote: |
Guys, I'm getting almost no RPM rise when I pull the mixture to idle
cutoff at shutdown, and occasionally get some hesitation when I apply
full throttle for a go-around. Which probably means my idle mixture
setting is too lean. I don't have a manual for the MA-4-5 carb on my
O-360 so I'm wondering if anybody remembers which way I turn the screw to
make it richer?
Thanks,
--Mark Navratil
Cedar Rapids, Iowa
RV-8A N2D flying 36.4 hours now, almost done with test phase!
|
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twsurveyor(at)msn.com
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| Posted: Sun May 07, 2006 8:32 am Post subject: Idle mixture screw on MA-4-5 |
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counterclockwise
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Dale Ensing
Joined: 11 Jan 2006
Posts: 571
Location: Aero Plantation Weddington NC
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| Posted: Mon May 15, 2006 5:02 am Post subject: Idle mixture screw on MA-4-5 |
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Mark,
When you turn the idle mixture screw counter clockwise, you are turning it
out. Be sure you do not turn it so far that there is no longer tension on
the spring. A friend did this trying to get that RPM increase on shut down
and had the engine quit on final because the idle mixture screw fill out
during a flight. Probably came out because of engine vibration during the
flight.
Dale Ensing
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_________________
Dale Ensing
RV-6A
Aero Plantation
Weddington NC |
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