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The Avro 533 Manchester was a First World War-era twin-engine biplane photo-reconnaissance and bomber aircraft designed and manufactured by Avro.

Manchester
Avro 533 Manchester Mk II (redesign)
Role Photo-reconnaissance/bomber biplane
National origin United Kingdom
Manufacturer Avro
First flight December 1918[1]
Status Prototype
Number built 3 (last prototype built without engines)
Developed from Avro Pike

Design and development


Designed as a twin-engine bomber and photo-reconnaissance aircraft, the Avro 533 was a development of the earlier 523 and 529A. Originally designated the Avro 529B, the new 320 hp (240 kW) ABC Dragonfly I nine-cylinder engine was specified, but with a redesign in July 1918, the type number was subsequently changed to Avro 533. When the original engines were not available, the 300 hp (220 kW) Siddeley Puma engine was substituted on the second prototype in November 1918, this acquiring a new designation, the Avro 533A Manchester Mk II, and first flying in December that year. An American 400 hp (300 kW) Liberty engine was also proposed as an alternate engine.[2]


Operational history


The Avro 533A Manchester Mk II flew for the first time in December 1918 with flight testing continuing with No. 186 Development Squadron. By March 1919, Avro sent the first prototype to Aeroplane and Armament Experimental Establishment at Martlesham Heath for official trials before its eventual return to the Avro factory at Hamble. The aircraft was a large, and mainly conventional design of wood-and-fabric construction typical of the time. Open cockpits were retained, although later modifications were planned for passenger compartments in the interior.[3]

In December 1919, the second prototype received its Dragonfly I engines, becoming the Avro 533A Manchester Mk I. Other than the different engines, there were few differences between the two types, other than the Mk I having a slightly reduced lower wing surface, and enlarged tailfin and rudder to correct control problems indicated in testing.[2] Flight testing also indicated a lower performance than anticipated which resulted in Avro reconsidering the type's further trials, and eventually led to the abandoning of the third prototype, which was never fitted with engines.[4]

In March 1919, Avro proposed a passenger airliner, the Avro 537, that would be adapted from the earlier bomber version. The plans were ultimately abandoned and all the Type 533 prototypes were scrapped.[4]


Variants



Specifications (Mk.II)


Avro 533 Mk 1 (as originally designed)
Avro 533 Mk 1 (as originally designed)

Data from Jane's all the World's Aircraft 1919[5]Jane's Fighting Aircraft of World War I,[6] Avro Aircraft since 1908[7]

General characteristics

Mk.III 2x 400 hp (300 kW) Liberty L-12

Performance

119 mph (103 kn; 192 km/h) at 10,000 ft (3,000 m)
112.5 mph (97.8 kn; 181.1 km/h) at 10,000 ft (3,000 m)
5,000 ft (1,500 m) in 6 minutes 30 seconds
10,000 ft (3,000 m) in 16 minutes 20 seconds
15,000 ft (4,600 m) in 32 minutes
17,000 ft (5,200 m) in 42 minutes

Armament


References


Notes
  1. Sharpe 2000, p. 63..
  2. Harlan and Jenks 1973, p. 61.
  3. Jackson 1965, p. 162.
  4. Harlan and Jenks 1973, p. 62.
  5. Grey, C.G., ed. (1969). Jane's all the World's Aircraft 1919 (Facsimile ed.). London: David & Charles Limited. pp. 70a–72a. ISBN 07153-4647-4.
  6. Taylor 1990, p. 52.
  7. Jackson 1965, p. 164.
  8. Mason 1994, p. 119.
Bibliography



На других языках


[de] Avro 533

Die Avro 533 Manchester war ein dreisitziger als Bomber konzipierter Doppeldecker des britischen Herstellers Avro.
- [en] Avro 533 Manchester

[fr] Avro 533 Manchester

L'Avro 533 Manchester est un multiplace de combat britannique de la Première Guerre mondiale.



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