(Bristol) Bombay @·AIRCRAFTUBE

  • Bristol Type 130 Bombay Bristol Type 130 Bombay
    Bristol Type 130 Bombay
  • Bristol Bombay of RAF Squadron 216 Bristol Bombay of RAF Squadron 216
    Bristol Bombay of RAF Squadron 216
  • Bombay Mark I (RAF) Bombay Mark I (RAF)
    Bombay Mark I (RAF)
  • Inside a Bombay<br>of 216 Sqn RAF<br>based at<br>Heliopolis (Egypt) Inside a Bombay<br>of 216 Sqn RAF<br>based at<br>Heliopolis (Egypt)
    Inside a Bombay
    of 216 Sqn RAF
    based at
    Heliopolis (Egypt)
  • Bristol Bombay Mk.I Bristol Bombay Mk.I
    Bristol Bombay Mk.I
  • At the Short & Harland factory (Belfast) At the Short & Harland factory (Belfast)
    At the Short & Harland factory (Belfast)
  • Bristol Type 130 Bombay Bristol Type 130 Bombay
    Bristol Type 130 Bombay
  • Type 130 Bombay of 216 Squadron RAF Type 130 Bombay of 216 Squadron RAF
    Type 130 Bombay of 216 Squadron RAF
  • A Bombay of No.1 Australian Ambulance Unit at Sfax (Tunisia) A Bombay of No.1 Australian Ambulance Unit at Sfax (Tunisia)
    A Bombay of No.1 Australian Ambulance Unit at Sfax (Tunisia)
  • The Bristol Type 130 Bombay Prototype The Bristol Type 130 Bombay Prototype
    The Bristol Type 130 Bombay Prototype
  • Crete, 1941 (216 Squadron RAF) Crete, 1941 (216 Squadron RAF)
    Crete, 1941 (216 Squadron RAF)
  • Bristol Type 130 Bombay Bristol Type 130 Bombay
    Bristol Type 130 Bombay

Bristol Bombay

The Bristol Bombay was a British troop transport aircraft adaptable for use as a medium bomber flown by the Royal Air Force (RAF) during the Second World War.

Development

The Bristol Bombay was built to Air Ministry Specification C.26/31 which called for a monoplane bomber-transport aircraft to replace the Vickers Valentia biplane in use in the Middle East and India. The aircraft was required to be capable of carrying 24 troops or an equivalent load of cargo as a transport, while carrying bombs and defensive guns for use as a bomber. This dual-purpose design concept was common to British pre-war designs. Other entries for the specification were the Armstrong Whitworth A.W.23 and the Handley Page HP.51.

Bristol's design, the Type 130, was a high-wing cantilever monoplane of all-metal construction. Bristol's last monoplane design, the 1927 Bagshot, had suffered from lack of torsional rigidity in the wings leading to aileron reversal. This led to an extensive research program at Bristol which resulted in a wing design with a stressed metal skin rivetted to an internal framework consisting of multiple spars and the ribs. This was the basis of the Bombay's wing, which had seven spars, with high-tensile steel flanges and alclad webs. The aircraft had a twin-tail and a fixed tailwheel undercarriage.

The aircraft's crew consisted of a pilot, who sat in an enclosed cockpit, a navigator/bomb-aimer, whose working position was in the nose, and a radio-operator/gunner, who divided his time between the radio operator's position behind the cockpit and a gun turret in the nose. When the aircraft was operated as a bomber, an additional gunner was carried to man the tail gun position. In the prototype, this position was equipped with a single Lewis gun on a Scarff ring, but in production aircraft, both gun positions were hydraulically-operated gun turrets armed with single Vickers K machine guns. Eight 250 pounds (110 kg) bombs could be carried on racks under the fuselage.

The prototype Type 130 first flew on 23 June 1935, powered by two 750 horsepower (560 kW) Bristol Pegasus III radial engines driving two-bladed propellers. Testing was successful and an order for 80 was placed as the Bombay in July 1937. These differed from the prototype in having more powerful (1,010 hp (750 kW)) engines driving three-bladed Rotol variable-pitch propellers, and discarding the wheel spats fitting to the undercarriage mainwheels in the prototype. As Bristol's Filton factory was busy building the more urgent Blenheim, the production aircraft were built by Short & Harland of Belfast. However, the complex nature of the Bombay's wing delayed production at Belfast, with the first Bombay not being delivered until 1939, and the last 30 being cancelled.

Operational history

The first production Bombay flew on March 1939, with deliveries to No. 216 Squadron RAF based in Egypt beginning in September that year. Although it was outclassed as a bomber for the European theatre, it saw some service with British-based 271 Squadron ferrying supplies to the British Expeditionary Force in France in 1940. In June 1940, French pilot Jean-Francois Demozay borrowed an abandoned Bombay to ferry himself and 15 troops from France to England, after which he became an ace with the RAF.

The Bombay's main service was in the Middle East, particularly with 216 Squadron, which operated most of the Bombays built at some stage. When war with Italy began in June 1940, in the absence of more modern aircraft, 216 Squadron's Bombays were used as night bombers as well as in their principle role of transport aircraft. The design bombload of 250 lb bombs under the fuselage was supplemented by improvised bombs thrown out of the cargo door by hand. The aircraft flew bombing sorties against targets in the Western Desert, including Benghazi and Tobruk, and against Italian Somaliland, until the buildup of Vickers Wellington bombers in Egypt allowed the Bombays to concentrate on transport operations.

In the transport role, they ferried supplies and evacuated the wounded during the Siege of Tobruk, while on 2 May 1941, Bombays of No. 216 Squadron RAF evacuated the Greek Royal Family from Crete to Egypt. Later that month, Bombays played an important role in ferrying troops during the Anglo-Iraqi War. Five Bombays were used by the fledgling SAS in their first official operation in the Middle East, a raid on five forward German aerodromes on 17 November 1941.

Lieutenant General William Gott, the highest ranking British officer killed in the war, died when the Bombay in which he was being carried was shot down in the Western African Desert on 7 August 1942. He was about to assume command from General Claude Auchinleck. His death opened the way for General Bernard Montgomery to take over.

Bombays evacuated over 2,000 wounded during the Sicily campaign in 1943, and one crew was credited with carrying 6,000 casualties from Sicily and Italy before the type was finally withdrawn from use in 1944.

Variants

  • Type 130 : Prototype.
  • Type 130A Bombay Mk I : Twin-engined medium bomber and troop transport aircraft. Original designation Type 130 Mark II.
  • Type 137 Proposed civil transport version. Unbuilt.
    • Type 144 Unbuilt development with retractable undercarriage proposed for Specification B.4/34 (won by Handley Page Harrow).

Operators

Australia

  • Royal Australian Air Force :
    • No. 1 Air Ambulance Unit RAAF

United Kingdom

  • Royal Air Force :
    • No. 117 Squadron RAF
    • No. 216 Squadron RAF
    • No. 271 Squadron RAF

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This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Bristol Bombay of Wikipedia ( authors )

Specifications (Bombay Mk.I)

  • First flight : 23 June 1935.
  • Introduction : 1939.
  • Retired : 1944.
  • Number built : 51.

  • Crew : 3-4.
  • Capacity : 24 armed troops or 10 stretchers.
  • Length : 69 ft 3 in (21.1 m).
  • Height : 19 ft 11 in (6.1 m).
  • Wingspan : 95 ft 9 in (29.2 m).
  • Wing area : 1,340 ft² (124.5 m²).
  • Wing loading : 14.9 lb/ft² (72.9 kg/m²).
  • Empty weight : 13,800 lb (6,260 kg).
  • Loaded weight : 20,180 lb (9,173 kg).
  • Maximum speed : 167 kn (192 mph, 309 km/h) at 6,500 ft (2,000 m).
  • Cruise speed : 139 kn (160 mph, 268 km/h) at 10,000 ft (3,050 m).
  • Range : 1,940 nmi (2,230 mi, 3,560 km) with overload fuel.
  • Service ceiling : 24,850 ft (7,600 m).
  • Rate of climb : 750 ft/min (3.8 m/s).
  • Powerplant : Two Bristol Pegasus XXII radial engines.
  • Power : 1,010 hp (755 kW) each.
  • Power/mass : 0.10 hp/lb (170 W/kg).
  • Armament :
    • Two 0.303 in (7.7 mm) Vickers K machine guns in powered nose and tail turrets.
    • 2,000 lb (907 kg) as 8 × 250 lb (113 kg) bombs on underfuselage racks.

— — — = = — — —

This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Bristol Bombay of Wikipedia ( authors )
Bristol 130 Bombay : Your comments on this subject
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