Simviation Forum - how do i slow down the engine idle?

Oct 17^th, 2007 at 5:13pm

firemonte007 Offline
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I have the P-82 found here ...http://www.simviation.com/members/fs2004vintage71.htm

its a great AC but its engine idle is set way too high. How do i lower it to a normal idle setting?

thanks for all those who reply
Jason

*edit* I run FSX

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Reply #1 - Oct 18^th, 2007 at 4:03pm

Anxyous Offline
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Try checking the .cfg, might be something in there.

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Reply #2 - Oct 18^th, 2007 at 7:00pm

dave3cu Offline
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The problem appears to be a strange mixture of elements used in the aircraft.

The controls and gauges are for a single piston engine aircraft, while the installed engines are jet turbines.

As it is now basically a turbine drive prop, it exibits the fast idle creep at idle. Being a jet turbine it apparently does not respond to the low idle setting of turboprop engines. For now you could use reverse thrust (F2 key) to stop the creeping.

The RPM gauge is pegged at idle as it is probably reading the shaft RPM of the turbine..

Unless someone has already done it, this aircraft really needs to be 'rebuilt' using the Allison or R-R Merlin engines of the P51, with appropriate gauges and controls.

Dave

At that time [1909] the chief engineer was almost always the chief test pilot as well. That had the fortunate result of eliminating poor engineering early in aviation. Igor Sikorsky

I intend to live forever....so far, so good. Steven Wright

You know....you can just rip up a to-do list.

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Reply #3 - Oct 18^th, 2007 at 7:18pm

JBaymore Offline
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Adjust the needle valve on the carb? Wink

Intel i7 960 quad 3.2G LGA 1366, Asus P6X58D Premium, 750W Corsair, 6 gig 1600 DDR3, Spinpoint 1TB 7200 HD, Caviar 500G 7200 HD, GTX275 1280M, Logitec Z640, Win7 Pro 64b, CH Products yoke, pedals + throttle quad, simpit

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Reply #4 - Oct 18^th, 2007 at 8:01pm

firemonte007 Offline
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home airport Rochelle,IL
(KRPJ) N1934P
northern IL, USA

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Posts: 2291

dave3cu wrote on Oct 18^th, 2007 at 7:00pm:

The problem appears to be a strange mixture of elements used in the aircraft.

The controls and gauges are for a single piston engine aircraft, while the installed engines are jet turbines.

As it is now basically a turbine drive prop, it exibits the fast idle creep at idle. Being a jet turbine it apparently does not respond to the low idle setting of turboprop engines. For now you could use reverse thrust (F2 key) to stop the creeping.

The RPM gauge is pegged at idle as it is probably reading the shaft RPM of the turbine..

Unless someone has already done it, this aircraft really needs to be 'rebuilt' using the Allison or R-R Merlin engines of the P51, with appropriate gauges and controls.

Dave

thanks for the info about the technical aspect of the engine idle.......Anyone up for doing an up-date on the engines and give this wonderful bird an overhaul? Cool

Jason

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Reply #5 - Oct 18^th, 2007 at 8:12pm

Brett_Henderson Offline
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Isn't the P-82 a piston engine plane ?

Edit: oops.. Dave already pointed that out... Yes.. the aircraft.cfg and air files need to be redone..

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