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Old 02-25-2021, 11:12 PM   #654 (permalink)
Bicycle Bob
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Join Date: May 2008
Location: N. Saskatchewan, CA
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Appliance White - '93 Geo Metro 4-Dr. Auto
Last 3: 42.35 mpg (US)

Stealth RV - '91 Chevy Sprint Base
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Quote:
Originally Posted by cRiPpLe_rOoStEr View Post
That engine seems quite complex, but it's still an interesting design. On a sidenote, since the U.S. seized blueprints of DKW motorcycles as part of the war reparations, it does surprise me how aeronautical Diesel engine designs from companies such as Junkers fell out of favor within the U.S. aircraft industry by then.
No turbocharger is mentioned, even for high-altitude work. The Napier Nomad gave the best mileage in the 50s, and was more like a turbo jet with the peak temperatures moderated by using pistons for the initial expansion.
Cylinders that are not in use still create friction with this setup. I don't think anybody liked that 4-6-8 Cadillac option.
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