AD Scout
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The AD Scout (also known as the Sparrow) was designed by Harris Booth of the British Admiralty's Air Department as a fighter aircraft for the anti-Zeppelin defense role during World War I.
The Scout was a decidedly unconventional aircraft - a biplane with a fuselage pod mounted on the upper wing. A twin-rudder tail was attached by four booms, and it was provided with an extremely narrow-track undercarriage. The primary armament was intended to be a 2 lb (900 g) recoil-less Davis Gun, but this was never fitted.
Four prototypes were built - two each by Hewlett & Blondeau and Blackburn. Trials proved the aircraft to be fragile, sluggish, and difficult to handle, even on the ground. The project was abandoned and all four prototypes scrapped.
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Specifications (AD Scout)
General Characteristics
- Crew: one, pilot
- Length: 22 ft 9 in (6.93 m)
- Wingspan: 33 ft 5 in (10.18 m)
- Height: 10 ft 3 in (3.12 m)
- Wing area: ft² ( m²)
- Empty: lb ( kg)
- Loaded: lb ( kg)
- Maximum takeoff: lb ( kg)
- Powerplant: 1x Gnôme Monosoupape, 100 hp (75 kW)
Performance
- Maximum speed: 84 mph (135 km/h)
- Range: 210 miles (336 km)
- Service ceiling: ft ( m)
- Rate of climb: ft/min ( m/min)
- Wing loading: kg/m² ( lb/ft²)
- Power/Mass:
Armament (intended)
- 1x downward-firing .303 Lewis machine gun
- 1x 2-lb Davis recoilless gun
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