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Short Rangoon

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S.8/8 Rangoon
Role Flying Boat
Manufacturer Short Brothers
First flight 24 September 1930
Introduction 1931
Retired 1935
Primary user Royal Air Force
Number built 6
Developed from Short S.8 Calcutta
Variants Kawanishi H3K

The Short S.8/8 Rangoon was a 1930s British three-engined biplane flying boat, designed and built by Short Brothers for the Royal Air Force.

Background

In 1929, the Royal Air Force needed urgent replacements of the Supermarine Southampton IIs then operated by No. 203 Squadron RAF based at Basra, Iraq. The Air Ministry issued Specification S.18/29 to specifically cover the procurement of a military variant of the Short S.8 Calcutta, similar to the S.8/2 Calcutta then being designed in collaboration with Breguet for Aviation Navale (French Naval Aviation). The new RAF version had Shorts designation S.8/8 and RAF designation Rangoon, and three examples were initially ordered.[1]

Design and development

The Rangoon was a straightforward military adaption of the Calcutta. The main structure was assembled from duralumin formers, spars, ribs and stringers; the fuselage was skinned with duralumin, and the flying surfaces were partly skinned and partly fabric-covered. The major changes were the provision of an enclosed cockpit for the pilots, rest bunks, enlarged fuel tanks in the upper wing, three Lewis guns (one mounted forward of the cockpit, and two in the fuselage behind the wings), underwing bomb racks, and a large fresh water tank (for intended use in tropical conditions).[2]

Operational history

The lead aircraft of three Rangoons over Brisbane River, 1934

On 24 September 1930, the first Rangoon (S1433) was flown from the River Medway at Rochester by Shorts' Chief Test Pilot, John Lankester Parker. In early 1931, the first three Rangoons were delivered to the RAF for training at Felixstowe, then in April 1931 they were flown in formation to No. 203 Squadron RAF at Basra.[3] They were used for surveying and anti-smuggling patrols over Iraq and the Persian Gulf. Over the following three years, three more Rangoons (built to a higher specification R.19/31) were delivered to No. 203 Squadron at Basra, where they served without problem until 1935, when they were replaced by Short Singapore IIIs.[2]

In September and October 1934, three Rangoons of No. 203 Squadron visited Australia as part of the celebrations of the centenary of the state of Victoria and of the centenary of Melbourne.[4][5]

In August 1935, five Rangoons were transferred to No. 210 Squadron RAF at Pembroke Dock.[6] In September 1935, they were temporarily deployed to Gibraltar during the Abyssinia Crisis, and all were retired from service at the end of 1935. Meanwhile, the first Rangoon (S1433) was stripped of military equipment by Shorts at Rochester, registered G-AEIM, then used by Air Pilots Training Ltd for training crews of Imperial Airways at Hamble, until it was retired in late 1938.[5]

Operators

 United Kingdom
 Japan

Specifications (S.8/8 Rangoon)

Data from Aircraft of the Royal Air Force 1918–57[7]

General characteristics

  • Crew: 5
  • Length: 66 ft 9+1⁄2 in (20.358 m)
  • Wingspan: 93 ft 0 in (28.35 m)
  • Height: 23 ft 9 in (7.24 m)
  • Wing area: 1,828 sq ft (169.8 m2)
  • Empty weight: 14,000 lb (6,350 kg)
  • Gross weight: 22,500 lb (10,206 kg)
  • Powerplant: 3 × Bristol Jupiter XIF 9-cylinder air-cooled radial engine, 540 hp (400 kW) each

Performance

  • Maximum speed: 115 mph (185 km/h, 100 kn)
  • Cruise speed: 92 mph (148 km/h, 80 kn)
  • Range: 650 mi (1,050 km, 560 nmi)
  • Endurance: 7 hr at 92 mph (80 kn; 148 km/h)
  • Service ceiling: 12,000 ft (3,700 m)
  • Rate of climb: 550 ft/min (2.8 m/s)

Armament

  • Guns: Three 0.303 in Lewis guns
  • Bombs: Up to 1,000 lb (455 kg)

See also

Related development

Related lists

Notes

  1. ^ Barnes & James 1989, p. 234
  2. ^ a b Barnes & James 1989, p. 235
  3. ^ RAF timeline: Rangoon entered RAF service in April 1931 Archived 2 January 2010 at the Wayback Machine
  4. ^ Rangoons in Melbourne 1934 Archived 29 September 2007 at the Wayback Machine
  5. ^ a b Barnes & James 1989, p. 236
  6. ^ Thetford 1957, p. 366
  7. ^ Thetford 1957, p. 367

Bibliography

  • Barnes, C. H.; James, D. N. (1989). Shorts Aircraft since 1900. Putnam. ISBN 0-85177-819-4.
  • Thetford, Owen (1957). Aircraft of the Royal Air Force 1918-57 (1st ed.). Putnam.
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