aircraft question

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st82nd
Airman
Posts: 46
Joined: 09 Aug 2009

aircraft question

Post st82nd »

I have two questions on the thunderbolts controls. One, what is the oil dilution switch for ? Two, the turbo over speed light is always blinking. Is that good, bad, or normal ? I'm using the wop2 p-47 on fsx with all updates.

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lonewulf47
A2A Chief Pilot
Posts: 6328
Joined: 03 Aug 2008
Location: 1 NM east of LSZH

Re: aircraft question

Post lonewulf47 »

Oil Dilution is used to bring the engine oil to a higher viscosity by adding fuel. This will be used when the next startup of the engine is anticipated to be under low temperatures. The oil will be diluted before stopping the engine. There are some limitations such as maximum dilution time and maximum oil temperature for dilution to be observed.

the Turbo Overspeed Light has two states: blinking and steady. Blinking means that the turbo is working within it's designed limits. Steady has two meanings: either turbo NOT working or turbo overspeeding.

Oskar

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Skycat
Senior Master Sergeant
Posts: 1947
Joined: 11 Nov 2006
Location: Great Falls Army Air Base, Montana

Re: aircraft question

Post Skycat »

The turbo overspeed light really doesn't mean anything in the Wings of Power/WoP2 versions. It's really just a nice eyecandy that suggests the actual operation of a turbo supercharger even though that system is not modeled in your version of the Thunderbolt. In the real aircraft (and in the WoP3 P-47D with AccuSim version), if you advance the boost lever on the throttle quadrant too far and cause the turbo supercharger's bucket wheel to spin faster than the redlined RPMs, you run a high risk of catastrophically damaging the turbo supercharger. You can't break the turbo supercharger in your version though, so just ignore the yellow light. ;)

I don't think the oil dilution switch actually has any effect with your version either, as I doubt oil viscosity is accounted for in the basic Flight Simulator code. As Oskar said, in the real airplane the switch is there to shoot some gasoline into the oil system to thin the oil if you plan to restart the engine under very cold temperatures. Later, when you restart the engine that gasoline is burned off while the engine is idling. This function is modeled in the WoP3 P-47D w/ AccuSim, by the way.
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