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From Wikipedia, the free encyclopedia

Avro 652
Avro652-0496.jpg
Avro 652 "Avatar" of Imperial Airways, 1935
Role Light airliner and mailplane
Manufacturer Avro
Designer Roy Chadwick
First flight 7 January 1935
Introduction 11 March 1935 (Imperial Airways)
Retired March 1942
Primary users Imperial Airways
Air Service Training Ltd
Fleet Air Arm
Produced 1935
Number built 2
Developed into Avro Anson

The Avro 652 was a 1930s British light airliner, built by A.V. Roe and Company. 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.

Design and development

In 1933, Imperial Airways issued a specification to Avro, for a light airliner to transport four passengers for up to 420 mi (676 km) at a cruising speed of 130 mph (210 km/h). By August 1933, Roy Chadwick's team had produced a design study. This had to be revised when Imperial Airways changed the specification, to enable the machine to fly the Karachi-Bombay-Colombo night mail service. The amended design was accepted, and in April 1934 an order for two aircraft was issued. The first aircraft flew on 7 January 1935, and the type was certificated in March 1935.[1]

Operational history

On 11 March 1935, the two Avro 652s were delivered to Imperial Airways at Croydon Airport. They served with Imperial Airways, mostly operating the route from Croydon to Brindisi. In 1938, they were sold to Air Service Training Ltd, a civilian company operating under Air Ministry contracts. They served with No.3 E&RFTS (Elementary and Reserve Flying Training School) as navigational trainers, at Hamble airfield. In November 1939, both aircraft were transferred to No. 11 AONS (Air Observers' Navigation School), remaining at Hamble. In March 1941, they were impressed by the Air Ministry into RAF service with No. 1 School of Photography. In July 1941, both were transferred to the Fleet Air Arm, and served with 811 Squadron at RNAS Lee-on-Solent (HMS Daedalus), until struck off charge in March 1942.[2][3][4]

Aircraft

G-ACRM
Imperial Airways, named Avalon, later to Fleet Air Arm with serial DG655.
G-ACRN
Imperial Airways, named Avatar, then Ava, later to Fleet Air Arm with serial DG656.

Operators

 United Kingdom

Specifications (Avro 652)

Data from Flight 7 March 1935[5]

General characteristics

  • Crew: 2
  • Capacity: 4 passengers
  • Length: 42 ft 3 in (12.88 m)
  • Wingspan: 56 ft 6 in (17.22 m)
  • Height: 9 ft 6 in (2.90 m)
  • Wing area: 410 sq ft (38 m2)
  • Empty weight: 5,100 lb (2,313 kg)
  • Gross weight: 7,500 lb (3,402 kg)
  • Powerplant: 2 × Armstrong Siddeley Cheetah VI seven-cylinder air-cooled radial engine, 290 hp (220 kW) each

Performance

  • Maximum speed: 195 mph (314 km/h, 169 kn) at 6,000 ft (1,800 m)
  • Cruise speed: 165 mph (266 km/h, 143 kn) at 6,000 ft (1,800 m)
  • Stall speed: 60 mph (97 km/h, 52 kn) (minimum flying speed)
  • Range: 787 mi (1,267 km, 684 nmi)
  • Service ceiling: 21,500 ft (6,600 m)
  • Rate of climb: 950 ft/min (4.8 m/s)

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

References

  1. ^ Mondey 1994
  2. ^ "Fleet Air Arm Archive". Archived from the original on 31 October 2012.
  3. ^ Sturtivant 1988, p. 290
  4. ^ Jackson 1970, p. 140
  5. ^ Flight 7 March 1935, p. 241.

Bibliography

This page was last edited on 23 January 2021, at 06:59
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