Lockheed XV-4 Hummingbird

The Lockhead XV-4 Hummingbird is an excellent VOTL aircraft.
image

(Not my photo couldn’t find credits)

General characteristics

Crew: 2
Length: 32 ft 8 in (9.96 m)
XV-4B 32.66 ft (10 m)
Wingspan: 25 ft 8 in (7.82 m)
XV-4B 25.66 ft (8 m)
Height: 11 ft 9 in (3.58 m)
XV-4B 12.25 ft (4 m)
Wing area: 104.00 sq ft (9.662 m2)
Empty weight: 4,995 lb (2,266 kg)
XV-4B 7,463 ft (2,275 m)
Gross weight: 7,200 lb (3,266 kg)
XV-4B 12,580 ft (3,834 m)
Powerplant: 2 × Pratt & Whitney JT12A-3LH turbojet, 3,300 lbf (15 kN) thrust each take-off thrust[3]
Powerplant: 6 × General Electric J85-GE-19 turbojets, 3,015 lbf (13.41 kN) thrust each XV-4B only, 4 for lift,2 for horizontal flight

Performance

Maximum speed: 518 mph; 450 kn (833 km/h) at 10,000 ft (3,048 m)
XV-4B 463 mph (745 km/h)
Cruising speed: 390 mph; 339 kn (628 km/h)
Range: 600 mi; 521 nmi (965 km) normal
VTO range: 600 mi (966 km)
Rate of climb: 12,000 ft/min (61 m/s)
Wing loading: 69.2 lb/sq ft (338 kg/m2)
Thrust/weight: 1.176 lb/lbst (0.0115 kg/kN)

Fact credits Wikipedia

Awesome video on aircraft

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“excellent” “VTOL” those two usually don’t mix

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Yes considering it didn’t get pass flight testing.

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