Hawker Horsley
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| Horsley | |
|---|---|
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| Type | Medium bomber |
| Manufacturer | Hawker Aircraft |
| Maiden flight | 1925 |
| Introduced | January 1927 |
| Retired | 1935 |
| Primary user | RAF |
| Number built | 134 |
The Hawker Horsley was designed in 1925 as a medium day bomber. It was the last all wooden aircraft built by Hawkers.
The bomber was to originally to Specification 26/23 but the British Air Ministry altered the requirements for its payload and extended the specification to include the carriage of a torpedo. The first prototype was flown by P.S.W. Bulman in 1925 and was powered by a Rolls Royce Condor III engine (665 hp). An initial order of twenty aircraft was placed, and it is believed that a mixed metal & wood structure was introduced in this batch. The first aircraft were delivered to No 11 (Bomber) Squadron of the Royal Air Force in January 1927 and the Horsleys remained in service until 1935. A total of 134 Horsleys were built, including six aircraft for the Greek Naval Air Service.
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[edit] Description
The Horsley was a large single-engined biplane. It had a crew of two. The structure was originally all wood, but before production was complete an all-metal structure was introduced, made in what became the famous Hawker system of metal construction. Unofficially the three methods of construction were designated; Horsley Mk I for the all wooden, Horsley Mk II for the mixed material, and Horsley III for the all-metal aircraft. Some aircraft were fitted with floats. A number of different marks of engines were used, mainly Rolls Royce Condors or Buzzards, and Armstrong Siddeley Leopards. The Horsley was much used as a flying test-bed for other engines. Some of the notable prototypes fitted were; the Napier Lion, the Rolls-Royce PV.12 and early vesions of the Merlin, and the Junkers Jumo. The payload included two 550 lb bombs, one 1,500 lb bomb or a torpedo weighing 2,800 lb. Two aircraft, powered by Leopard II engines were sold to the Danish Government, but these aircraft were known as Hawker Dantorp and had a slightly different fuselage.
[edit] Operators
- Greek Naval Air Service
[edit] Specification (Horsley II)
General characteristics
- Crew: two, pilot and bombardier/gunner
- Length: 38 ft 10 in (11.83 m)
- Wingspan: 56 ft 5¾ in (17.22 m)
- Height: 13 ft 8 in (4.16 m)
- Wing area: 693 ft² (64.38 m²)
- Empty weight: 4,958 lb (2,249 kg)
- Loaded weight: 9,270 lb (4,205 kg)
- Powerplant: 1× Rolls-Royce Condor III V-12, 650 hp (485 kW)
Performance
- Maximum speed: 125 mph at 6,000 ft (201 km/h at 1,829 m)
- Service ceiling 14,000 ft (4,267 m)
- Climb to 10,000 ft (3,045 m) : 14 minutes 20 seconds
- Endurance : approx. 10 hours
Armament
- 1 x forward-firing Lewis machine gun
- 1 x rear-mounted Lewis machine gun
- 1,500lb (680kg) bombload or one torpedo
This aircraft article is missing some (or all) of its specifications. If you have a source, you can help Wikipedia by adding them.[edit] References
- British Aircraft Directory 8 February 2007
- British Aircraft of WWII 8 February 2007
- Hawker Aircraft since 1920 by Francis K Mason, Putnam, London 1961
[edit] See also
Related lists
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