Percival P.74

The Percival P.74 (later Hunting Percival P.74) was a British experimental helicopter designed in the 1950s that was based on the use of tip-jet powered rotors. Although innovative the tip-rotor concept literally failed to get off the ground in the P.74 doomed by its inadequate power source. Rather than being modified the P.74 was ignominiously towed off the airfield and scrapped.

Percival P.74, ne pouvait pas même laisser la terre, et Frelon de Hiller YH-32 a eu la bonne capacité de transport mais était autrement pauvre.1

Made by Hunting Aircraft.

Il Percival P.74, per esempio, non fu nemmeno in grado di decollare, mentre l'Hiller YH-32 Hornet rivelò buona capacità di sollevamento, ma scarse prestazioni complessive.2
Max Takeoff Weight Main
lb
Power Alt
563.0
Loaded Weight Main
7750.0
Max Speed Alt
177.0
Type Of Prop
Gas generator
Status
Cancelled 1956
Capacity
8
Max Speed Main
110 mph
Max Takeoff Weight Alt
kg
Number Built
1
Crew
2
Loaded Weight Alt
3515.0
Jet Or Prop
prop
Span Alt
15.76 m
Plane Or Copter?
copter
Engine(prop)
Napier Oryx NOr. 1
Manufacturer
Hunting Aircraft
National Origin
United Kingdom
Span Main
53.0
Power Main
754
Number Of Props
2
Category
British experimental aircraft 1950-1959
Military helicopters
Percival aircraft

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