Oil pressure, temperature on shutdown

General information about Wing42's Lockheed Vega.
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Vitus
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Oil pressure, temperature on shutdown

Post by Vitus » 06 Jul 2018, 14:45

Here's a very obscure question:
When you shut-down a real-world R-1340, how quickly does the oil pressure drop? What about the oil and cylinder head temperatures?
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Tailspin45
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Re: Oil pressure, temperature on shutdown

Post by Tailspin45 » 06 Jul 2018, 17:35

Oil pressure drops within seconds, soon as the pump stops. Oil temperature could take a couple hours to reach ambient. Cylinder head temp probably will go up for a while and then cool to ambient in maybe an hour unless the aircraft is pointed into a breeze, then perhaps quicker.
Blue skies and tailwinds - Tailspin Tommy (aka Tom)

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Vitus
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Re: Oil pressure, temperature on shutdown

Post by Vitus » 06 Jul 2018, 20:36

Thanks for the information. That just shows that my physics engine does a good job - I observe the exact same behavior of the oil pressure and temperature in the version I am working on 8-)
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Tailspin45
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Re: Oil pressure, temperature on shutdown

Post by Tailspin45 » 06 Jul 2018, 23:09

Outstanding!
Blue skies and tailwinds - Tailspin Tommy (aka Tom)

Jarek
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Re: Oil pressure, temperature on shutdown

Post by Jarek » 07 Jul 2018, 00:24

Cylinder head temp probably will go up for a while and then cool to ambient in maybe an hour unless the aircraft is pointed into a breeze, then perhaps quicker.
Just like my "grandpa book" tells: after landing on the field, position aircraft upwind and then shutdown the engine.

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