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#avgeek #aviation #RAF #USAF #P51 - The P-51 Mustang was built to a British spec for a new RAF fighter and later served in the USAAF. Let's tour the fighter, from its prototype NA-73X to P-51D, etc., its development and different versions... @kadonkey @Sylvia70485099 1/
2/ The British Purchasing Commission asked North American to license-build Curtiss P-40 Warhawks for the #RAF. Instead, North American designed a more modern NA-73X prototype fighter with the same 1,090 hp Allison V-1710 engine. It first flew September 9, 1940.
@AlexanderZPain @MartinKoenigsb2 @kingdomman66 @majestic_air @curlyboy1975 @deecanadian 3/ It was 25 mph faster than the P-40. Britain bought 320 NA-73 + 300 NA-83 (fishtail engine exhausts) and christened them Mustang I. This new RAF type was used for recon and fighter-bombing. It had a 12' wide landing track, simple production, etc. 4 x .50 cal; 4 x .30 cal.
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