| 词条 | Beardmore W.B.V | |||||||||||||||
| 释义 |
The Beardmore W.B.V was a prototype British single-engine shipborne biplane fighter of World War I developed by Beardmore.[1] It was not successful, only two being completed. Development and designAt the same time as developing the Beardmore W.B.IV, G. Tilghman Richards, the chief designer of Beardmore, designed a second aircraft to meet an Admiralty requirement for a ship-borne fighter aircraft to be armed with a 37 mm Le-Puteaux quick firing gun in order to destroy airships.[2] The resulting aircraft, the W.B.V, was a single seater two-bay tractor biplane powered by a 200 hp (149 kW) Hispano-Suiza engine. The wings folded for storage onboard ship. The manually loaded Le-Puteaux gun was mounted between the cylinder banks of the V-8 engine, firing through a hollow propeller shaft. Unlike the W.B.V, the W.B.IV was not fitted with a buoyancy chamber, being instead fitted with inflatable flotation bags.[3] The first prototype flew on 3 December 1917.[4] During testing, the Le Puteaux gun was considered dangerous by RNAS pilots, and the aircraft was re-armed with a more conventional synchronised Vickers machine gun together with a Lewis gun mounted on a tripod mounting.[5] Development was abandoned shortly after the completion of a second prototype. Specifications{{aerospecs|ref=Jane's Fighting Aircraft of World War I.[1] |met or eng?=eng |crew=1 |capacity= |length m= |length ft=26 |length in=7 |span m= |span ft=35 |span in=10 |height m= |height ft=11 |height in=10 |wing area sqm=36.6 |wing area sqft=394 |empty weight kg=845 |empty weight lb=1,860 |gross weight kg=1,136 |gross weight lb=2,500 |eng1 number=1 |eng1 type=Hispano-Suiza 8 |eng1 kw=149 |eng1 hp=200 |eng2 number= |eng2 type= |eng2 kw= |eng2 hp= |max speed kmh=180 |max speed mph=112 |max speed mach= |cruise speed kmh= |cruise speed mph= |stall speed kmh= |stall speed mph=<45 |range km= |range miles= |endurance h=2 |endurance min=30 |ceiling m=4,270 |ceiling ft=14,000 [5] |climb rate ms= |climb rate ftmin= |armament1=One 37 mm Le Puteaux quick firing gun firing through the propellor shaft or One .303 in Vickers machine gun and one Lewis gun[6] |armament2= |armament3= |armament4= |armament5= |armament6= }} See also{{aircontent|see also= |related=*Beardmore W.B.IV |similar aircraft=*SPAD S.XII |lists= }} References{{commons category|Beardmore aircraft}}1. ^1 Taylor 1990, p.57. 2. ^Bruce 1965, p.74. 3. ^Mason 1992, pp.127-128. 4. ^Bruce 1965, p.74. 5. ^Mason 1992, p.128. 6. ^1 Bruce 1965, p.76.
5 : British fighter aircraft 1910–1919|Beardmore aircraft|Carrier-based aircraft|Aircraft first flown in 1917|Biplanes |
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