Hawker Hedgehog

The Hawker Hedgehog was a three-seat reconnaissance biplane, to be used for naval scouting, produced to meet Air Ministry Specification 37/22.

Only one prototype was built.

Specifications

Crew

Three

Length

30 ft 8+3⁄4 in (9.366 m)

Wingspan

40 ft 0+1⁄2 in (12.205 m)

Width

16 ft 7+1⁄2 in (5.067 m) (wings folded)

Height

12 ft 6 in (3.81 m)

Wing area

480.7 sq ft (44.66 m2)

Empty weight

2,995 lb (1,359 kg)

Gross weight

4,791 lb (2,173 kg)

Max take-off weight

4,800 lb (2,177 kg) (overload)

Fuel capacity

134 imp gal (161 US gal; 610 L)

Powerplant

1 × Bristol Jupiter IV 9-cylinder radial engine, 398 hp (297 kW)

Propellers

2-bladed wooden

Performance

Maximum speed

120.5 mph (193.9 km/h, 104.7 kn) at sea level

Cruise speed

89 mph (143 km/h, 77 kn)

Stall speed

45 mph (72 km/h, 39 kn) with flaps

Endurance: 2.5 hr

Service ceiling

13,500 ft (4,100 m)

Time to altitude

23 min 59 s to 10,000 ft (3,000 m)

Armament

Guns

1 × 0.303 in (7.7 mm) Vickers machine gun

1 × 0.303 in Lewis gun on a Scarff ring.

 

 

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