Ryan M-1
| M-1 and M-2 | |
|---|---|
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| Original Ryan M-1 NC2073 in Pacific Air Transport markings in the Historic Aircraft Restoration Museum, Creve Coeur airport, Missouri. | |
| Role | MailplaneTemplate:Short description |
| National origin | United States |
| Manufacturer | Ryan |
| Designer | Hawley Bowlus, W A Mankey, John Northrop[1] |
| First flight | 14 February 1926 |
| Status | two airworthy in 2009 |
| Number built | 36 |
The Ryan M-1 was a mail plane produced in the United States in the 1920s, the first original design built by Ryan.[2] It was a conventional gear parasol-wing monoplane with two open cockpits in tandem and fixed, tailskid undercarriage.[3]
Design and development
The follow-on M-2 was substantially the same as the M-1.[2] The prototype M-1 was originally powered by a Hispano-Suiza 8A, but production examples featured a variety of engines in the same general power range, with the Wright J-4B chosen for nine of the sixteen M-1s built,[2] and the prototype later refitted with this engine.[4]
According to Cassagneres, "Dimensions allowed for a front cockpit that could accommodate two passengers side by side, or one passenger and a sack of mail, or just mail sacks and no passenger. Dual controls were provided, so a passenger flying up front could get in some 'stick time' if he wished. The M-1 cowling had a feature that was to become almost a trademark on all subsequent Ryan models up to the ST. This was the distinctive 'engine-turning' or 'jeweling' effect achieved by burnishing the aluminum.[5]
Operational history
A M-1 was flown in the 1926 Ford National Reliability Air Tour.[6]
Pacific Air Transport operated J-4B-powered M-1s and M-2s on their demanding Seattle–San Francisco–Los Angeles mail route,[7] while Hispano-Suiza-powered machines flew with Colorado Airways between Cheyenne and Pueblo[2] and Yukon Airways between Whitehorse and Dawson City.[7]
One M-2 (named Bluebird) was built with a fully enclosed cabin for the pilot and four passengers, foreshadowing Ryan's highly successful Brougham series.[7] The standard M-2, meanwhile, was Charles Lindbergh's first choice for his transatlantic flight.[8] His list of requirements for the aircraft soon made it apparent, however, that rather than modifying an M-2, it would be more effective to build an all-new design along the same general lines, which resulted in the Ryan NYP Spirit of St Louis.[8]
Operators
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Aircraft on display
The M-1 prototype was restored to flying condition between 1980 and 1984 and is preserved in the Museum of Flight in Seattle.[3] The seventh aircraft is preserved in airworthy condition in Pacific Air Transport markings at the Historic Aircraft Restoration Museum at Creve Coeur airport, Missouri.[9] A replica of an M-1 using a small number of parts from serial number 11 was built by Andy King in 2001, powered by a Lycoming R-680 and also painted in Pacific Air Transport #7's scheme.[10] Serial number 11 is owned and faces a full restoration by John Norman, who crafted the most accurate reproduction of the Spirit of St. Louis ever built.[11][12] A replica M-1 is exhibited in the San Diego Air & Space Museum.[13]
Specifications (M-1)
Data from "Ryan M-1"
General characteristics
- Crew: One pilot
- Capacity: 1-2 passengers [1]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/convertTemplate: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
Notes
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- ↑ a b "Ryan, Ryan-Douglas, Ryan-Flamingo, Ryan-Standard"
- ↑ a b c d Taylor 1989, p. 774.
- ↑ a b "Ryan M-1"
- ↑ Museum of Flight News
- ↑ Script error: No such module "citation/CS1".
- ↑ Forden, Lesley. The Ford Air Tours: 1925-1931. New Brighton Minnesota: Aviation Foundation of America, 2003, First edition 1972. No ISBN.
- ↑ a b c Munson 1982, p. 128.
- ↑ a b Hall 1927, p. 1.
- ↑ Ogden 2007, p. 331.
- ↑ Script error: No such module "Citation/CS1".
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- ↑ "Collections"
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Bibliography
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- Hall, Donald A. "Technical Preparation of the Airplane 'Spirit of St Louis'." www.charleslindbergh.com, July 1927. Retrieved: 3 March 2009.
- The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing, 1985.
- Munson, Kenneth. Airliners from 1919 to the Present Day. London: Peerage Books, 1982. Template:ISBN.
- Museum of Flight News, January/February 1991.
- Ogden, Bob. Aviation Museums and Collections of North America. Tunbridge Wells, Kent, UK: Air-Britain (Historians) Ltd., 2007. Template:ISBN.
- "Ryan M-1." The Museum of Flight. Retrieved: 3 March 2009.
- "Ryan, Ryan-Douglas, Ryan-Flamingo, Ryan-Standard". Aerofiles. Retrieved: 3 March 2009.
- "Collection." San Diego Air & Space Museum. Retrieved: 3 March 2009.
- Taylor, Michael J.H. Jane's Encyclopedia of Aviation. London: Studio Editions, 1989. Template:ISBN.
External links
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