The Percival P.74 was a British experimental helicopter of the 1950s built around tip-jet rotors, designed by the Percival Aircraft Company, whose helicopter division began work in 1951 to meet an Air Ministry specification for an experimental helicopter with jet-driven rotors. Two Napier Oryx gas generators under the cabin floor fed compressed air to ducts in the three rotor blades. The prototype, serial XK889, was completed in the spring of 1956, but the Oryx engines never developed full power and it did not fly. A larger ten-passenger P.105 was planned. The project was cancelled when the helicopter industry was nationalised later that year and the prototype was scrapped.
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Source Percival P.74 (Wikipedia)
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Source Percival P.74 (Wikipedia)Design and developmentQuote, Design and development
In 1951, Percival Aircraft Company formed a helicopter division, and began design work on a medium-sized helicopter designated P.74
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Source Percival P.74 (Wikipedia)LeadQuote, Lead
was a British experimental helicopter
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1. Percival P.74 (Wikipedia)
Design and development, prototype
was completed in the spring of 1956
Lead, fate
the P.74 was towed off the airfield and scrapped
Design and development
In 1951, Percival Aircraft Company formed a helicopter division, and began design work on a medium-sized helicopter designated P.74
Lead
was a British experimental helicopter
View the SourceNapier Oryx (Wikipedia)
Has Part: Napier Oryx, Design and development, P.74Quote, Has Part: Napier Oryx, Design and development, P.74
Napier developed the Oryx specifically to power the P.74
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