Bell X-22

1st Flight 1966

The Bell X-22 is an American V/STOL X-plane with four tilting ducted fans.

Take-off was to selectively occur either with the propellers tilted vertically upwards, or on a short runway with the nacelles tilted forward at approximately 45°.

Additionally, the X-22 was to provide more insight into the tactical application of vertical take-off troop transporters such as the preceding Hiller X-18 and the X-22’s successor, the Bell XV-15.

Specifications

Crew

Two + six passengers   

Length

39 ft 7 in (12.07 m)

Wingspan

39 ft 3 in (11.96 m)

Wingspan

(front wing)

22.916 ft (6.98 m)

Height

20 ft 8 in (6.31 m)

Empty weight

10,478 lb (4,753 kg)

Max take-off weight

17,644 lb (8,003 kg)

Powerplant

4 × General Electric-YT58-GE-8D turboshaft engines, 1,267 hp (945 kW) each

Propellers

Three-bladed propellers mounted in wingtip swivelling ducts, 7 ft 0 in (2.13 m) diameter

Performance

Maximum speed

221 kn (254 mph, 409 km/h)

Range

387 nmi (445 mi, 716 km)

Service ceiling

27,800 ft (8,500 m)

Hover ceiling in ground effect

12,000 ft (3,658 m)

Hover ceiling out of ground effect

6,000 ft (1,829 m).

 

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