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In case anyone is a budding airplane nerd, Greg’s Automobiles and Airplanes did an 8 parts series on the P-47: https://youtu.be/mzQuq2FHdeE https://youtu.be/mzQ
by hangonhn 6y ago
In case anyone is a budding airplane nerd, Greg’s Automobiles and Airplanes did an 8 parts series on the P-47: https://youtu.be/mzQuq2FHdeE https://youtu.be/mzQuq2FHdeE
He really nerds out on the engineering and flight details and pulls out NACA charts to illustrate. The complexity of getting good performance out of WWII airplanes was immense because the air pressure changed with attitude.
The channel itself is just amazing.
- asdff 6y agoWhat did they end up doing? Dump in more or less fuel according to the altimeter?
- hangonhn 6y agoIIRC, they used a turbo supercharger system that had multiple stages that can be enabled at different altitudes.
- jabl 6y agoIIRC the allies generally used multistage superchargers. AFAIU they were automatically engaged, presumably by some valve that was activated due to the drop in boost pressure as the plane climbed, or such. The DB 60X engines that powered the German Bf 109 had an ingenious system with an oil filled clutch, where depending on the oil level there was a differing amount of slip. So they got an optimal level of boost pressure at any altitude (up to the limit where the supercharger was full on, of course).