P51 Mustang WWII Fighter in a Million Pieces is the Worlds Hardest Game of Lego Home > News > Aviation , 1603 UTC by Benny KirkWhen Schmued returned, they began a new design of the P51 Mustang that used Brittish design loads They shaved weight on any part that could yield They were able to reduce the empty weight of the P51 by 600 pounds This would translate into more performance The lightweight prototypes were designated XP51F, XP51G and XP51JThe first P51 Mustang for the USAAF was the P51A which had a slightly more powerful engine and was equipped with bomb racks for divebombing and ground attack missions Of the 310 built, 50 ended up in RAF hands as the Mustang II To tackle the fighter's poor performance at higher altitudes, four Mustang Is were converted to fly with Rolls
North American P 51 Mustang Wikipedia