rpm

  1. Demetrious

    Allison V-1710 RPM - crankshaft RPM versus propshaft RPM

    Recently I've had reason to look into the gritty mechanical details of high-displacement aero engines in general and the Allison V-1710 in particular. All sources broadly agree that the V-1710 (excluding a few late-war models) generated its maximum power around 3,000 RPM, that it utilized a...
  2. W

    Estimated performance of a He177B with Jumo 211 engines

    Does anyone have any idea what sort of performance a four engined He177 would have with Jumo 211F engines? Or DB601E engines? I'm assuming a 1942 operational date. Junkers Jumo 211 - Wikipedia, the free encyclopedia Daimler-Benz DB 601 - Wikipedia, the free encyclopedia I'm assuming...
  3. GregP

    2013 Reno Gold Race from inside the cockpit

    Here is Steven Hinton Jr. winning the 2013 Unlimited Gold Race. Note IAS is on the right and TAS is on the left in the GPS window. RPM and g's are also on the left, and he is mostly between 2 and 4.5 g's or so. What you can't tell is the manifold presure and that is a closely guarded secret. The...
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