| 词条 | Supermarine Sparrow | |||||||||||||||
| 释义 |
The Supermarine Sparrow was a British two-seat light aircraft designed by R.J. Mitchell and built by Supermarine at Woolston. DevelopmentThe Sparrow I was designed and built for the 1924 Lympne light aircraft trials. It was a two-seat biplane powered by a 35 hp (26 kW) Blackburne Thrush piston engine, with dual controls. The Sparrow I (registered G-EBJP) first flew on 11 September 1924.[1] The Thrush, a three-cylinder radial engine proved to be extremely unreliable and the Sparrow was eliminated from the light aircraft trial due to engine failure. In the Grosvenor Trophy Race at Lympne Aerodrome on 14 October 1924, it came fourth with a speed of 62.08 mph (99.91 km/h).[2] The aircraft was rebuilt for the 1926 Lympne Trials as a parasol monoplane (and redesignated the Sparrow II) and re-engined with a 32 hp (24 kW) Bristol Cherub III engine. During the trials the Sparrow force-landed near Beachy Head on 12 September 1926, again being eliminated from the competition, which was won by the Hawker Cygnet.[3] After use for testing wing sections, the aircraft was sold to the Halton Aero Club,[4] remaining in existence until 1933.[5] Variants
Blackburne Thrush powered biplane
Sparrow I modified into a monoplane powered by a Bristol Cherub III piston engine. Specifications (Sparrow I){{aerospecs|ref= British Civil Aircraft since 1919 [5] |met or eng?=eng |crew=two |capacity= |length m=6.91 |length ft=22 |length in=8 |span m=10.16 |span ft=33 |span in=4 |width m= |width ft= |width in= |height m=2.26[6] |height ft=7 |height in=5 |wing area sqm=23.8 |wing area sqft=256 [6] |empty weight kg=215 |empty weight lb=475 |gross weight kg=390 |gross weight lb=860 |eng1 number=1 |eng1 type=Blackburne Thrush piston engine |eng1 kw=26 |eng1 hp=35 |eng2 number= |eng2 type= |eng2 kw= |eng2 hp= |max speed kmh=116 |max speed mph=72 [6] |cruise speed kmh= |cruise speed mph= |range km= |range miles= |endurance h= |endurance min= |ceiling m=3,350 |ceiling ft=11,000 |glide ratio= |climb rate ms= |climb rate ftmin= }} See also{{aircontent|see also= |related= |similar aircraft=
|lists= }} References1. ^Andrews and Morgan 1987, p.310. 2. ^Andrews and Morgan 1987, p.312. 3. ^Andrews and Morgan 1987, p.313. 4. ^Andrews and Morgan 1987, p.314-315 5. ^1 Jackson 1988, p.316. 6. ^1 2 Andrews and Morgan 1987, p.315. Bibliography{{commons category|Supermarine Sparrow}}
5 : British sport aircraft 1920–1929|Supermarine aircraft|High-wing aircraft|Single-engined tractor aircraft|Aircraft first flown in 1924 |
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