Miles M.26
Miles M.26 was the designation used to cover the family of X-series design proposals, for long-range transport aircraft. The common factors of most X design proposals were the use of a blended wing body and engines buried in the wings, based on principles patented by Nicolas Woyevodsky.[1][2] A sub-scale prototype of the X.9 proposal was constructed, designated the Miles M.30.
Variants
Data from: Miles aircraft since 1925[3]
- X.2
- The X.2 design was first published in Flight in 1938,[4] from work begun in 1936. A projected 300 mph 38-seat transport of about 48,000 lb loaded with 1,000 mile range, it did not use a lifting body fuselage.[5][6][7] Initial design powered by four unspecified Script error: No such module "convert". air-cooled Rolls-Royce piston engines. Span Script error: No such module "convert"., gross weight Script error: No such module "convert".. Met with a cool reaction by the Air Ministry only receiving a paltry £25,000 development contract and a wooden mock-up to Specification 42/37.
- X.3
- A projected six-engined variant.
- X.4 to X.8
- Variants of the X blended wing theme which didn't proceed further than the concept stage, including an eight-engined transatlantic airliner. (X.8)
- X.9
- A design for a four-engined transport, submitted to the Ministry of Aircraft Production (MAP) in Autumn of 1942, powered by four Rolls-Royce Griffon V-12 piston engines and fitted with retractable tricycle undercarriage.
- X.10
- A small twin-engined airliner / transport, following the blended wing concept but with externally mounted engines.
- X.11
- After the Brabazon Committee released the Type I specification (later developed into Air Ministry Specification 2/44) for the post-war transatlantic airliner, only to Bristol, F.G. Miles unofficially submitted a design based on the Xseries of blended wing aircraft. The X.11 was to be eight-engined, with high cruising speed (for 1943), high wing loading and low power loading, seating at least 50 passengers, but was rejected. (Span Script error: No such module "convert"., gross weight Script error: No such module "convert".).
- X.12
- A bomber version of the X.11
- X.13
- A troop transport version of the X.11
- X.14
- After rejection of the X.11, Miles was unofficially encouraged to submit a design for a smaller aircraft not competing with the Brabazon specifications, powered by four Script error: No such module "convert". Bristol Centaurus radial engines, with a span of Script error: No such module "convert". and gross weight of Script error: No such module "convert".). This submission was also summarily rejected.
- X.15
- A revised X.14, to be powered by six Napier Sabre H-24 in-line engines.
- Miles M.30
- X-Minor sub-scale aerodynamic test-bed / research aircraft for the X.9 project.
Specifications (M.26 X.9)
Data from Miles aircraft since 1925[3]
General characteristics
- Crew: 4? plus cabin crew
- Capacity: 100 seats / Script error: No such module "convert". (Estimated)Template:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Aspect ratio: 9.1Template:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convertTemplate:Aircraft specs/length
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References
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- ↑ Script error: No such module "citation/CS1".
- ↑ The Westland Dreadnought had been built to test Woyevodsky's ideas in 1924
- ↑ a b Script error: No such module "citation/CS1".
- ↑ Flight likened it to the " Nurflügel (all-wing) aircraft visualised more than twenty years ago by the late Professor Junkers"
- ↑ Flight 21 April 1938 p 378
- ↑ Flight 1943 p 703
- ↑ Flight 28 April 1938 p 411
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External links
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