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Radial Engine: Managing Temps on the Downline

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Matt/Shack

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Are there any radial engine pilots out there with insight on this? Specifically, the management of air-cooling during dives and other steep vertical descents? My airplane is still relatively new (to me), and I have concerns about the risks of shock-cooling my W670 with the nose pointed down.

To date, I've been judicious about watching CHT but I still have little "feel" for what is acceptable or risky. Additionally, carrying power through the downline isn't always a good option.
 

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