Avro 652
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| Avro 652 | |
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| Type | Light airliner and mailplane |
| Manufacturer | Avro |
| Designed by | Roy Chadwick |
| Maiden flight | 7 January 1935 |
| Introduced | 11 March 1935 |
| Retired | March 1942 |
| Primary users | Imperial Airways Air Service Training Ltd Fleet Air Arm |
| Produced | 1935 |
| Number built | 2 |
| Variants | Avro Anson |
The Avro 652 was a British light civil airliner of the 1930s built by A.V. Roe and Company Limited. It was a twin-engine, low-wing monoplane with a retractable undercarriage, and a tailwheel. Although only two were produced, it formed the basis for the successful Avro Anson.
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[edit] Design and development
Imperial Airways issued a specification to Avro in 1933 for a light airliner to transport four passengers for up to 420 miles at a cruising speed of 130 mph. By August, Roy Chadwick's team had produced a design study. This had to be revised when Imperial changed the specification to enable the machine to fly the Karachi-Bombay-Colombo night mail service but the amended design was accepted and an order for two aircraft was issued in April 1934. The first aircraft flew on 7 January 1935 and the type was certificated in March of that year. [1]
[edit] Operational history
The aircraft were delivered to Imperial Airways at Croydon on 11 March. They served with Imperial until 1938, when they were sold to Air Service Training Ltd.
After the outbreak of war, both 652s were impressed by the Air Ministry for service with the RAF but both were transferred directly to the Fleet Air Arm in 1941 and served with 811 Squadron until struck off in March 1942.[2]
[edit] Aircraft
- G-ACRM
- Named Avalon by Imperial Airways, later to Fleet Air Arm as serial DG655.
- G-ACRN
- Named Ava by Imperial Airways, later to Fleet Air Arm as serial DG656.
[edit] Operators
- Air Service Training Ltd.
- Imperial Airways
- Fleet Air Arm
- Royal Air Force
[edit] Specifications (Avro 652)
Data from Imperial-Airways.com[3]
General characteristics
- Crew: 2
- Capacity: 4 passengers
- Length: 42 ft 3 in (12.88 m)
- Wingspan: 56 ft 5 in (17.2 m)
- Height: 13 ft 1 in (3.99 m)
- Wing area: 410 ft² (38.1 m²)
- Empty weight: 5,375 lb (2,437 kg)
- Max takeoff weight: 7,400 lb (3,358 kg)
- Powerplant: 2× Armstrong Siddeley Cheetah V radial engine, 270 hp (201 kW) each
Performance
- Maximum speed: 163 knots (188 mph, 302 km/h)
- Cruise speed: 143 knots (165 mph, 265 km/h)
- Stall speed: < 60 mph ()
- Range: 687 nm (790 mi, 1,271 km)
- Service ceiling 19,000 ft (5,791 m)
- Rate of climb: 770 ft/min [4] (3.9 m/s)
[edit] References
- ^ Mondey, David (1994). The Hamlyn Concise Guide to British Aircraft of World War II. London: Chancellor Press. ISBN 1 85152 668 4.
- ^ Fleet Air Arm Archive.
- ^ Imperial Airways.
- ^ Jackson, A J (1990). Avro Aircraft since 1908, 2nd edition, London: Putnam Aeronautical Books. ISBN 0-85177-834-8.
- Jackson, A.J. (1974). British Civil Aircraft since 1919 Volume 1. London: Putnam. ISBN 0 370 10006 9.
[edit] External links
[edit] See also
Related development
Comparable aircraft
Related lists List of aircraft of Imperial Airways
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