Contra-rotating propellers
Contra-rotating propellers - Wikipedia, the free encyclopedia
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Contra-rotating propellers on a Rolls-Royce–Griffon–powered P-51 unlimited racer
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While several nations experimented with contra-rotating propellers in aircraft, only the United Kingdom and Soviet Union produced them in large numbers. The first aircraft to be fitted with a contra-rotating propeller to fly though was in the US when two inventors from Ft Worth, Texas tested the concept on an aircraft.[3]
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General Motors / Fisher XP-75 / P-75 Eagle Interceptor (1943)
http://www.militaryfactory.com/aircraft/detail.asp?aircraft_id=420
http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=2221
The Martin Baker MB5
http://www.militaryphotos.net/forums/showthread.php?198682-Fisher-P-75-Eagle-Brochure-from-May-1944
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1977 911S Targa 2.7L (CIS) Silver/Black
2012 Infiniti G37X Coupe (AWD) 3.7L Black on Black
1989 modified Scat II HP Hovercraft
George, Architect
Last edited by kach22i; 07-08-2013 at 01:52 PM..
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