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Shvetsov M-11

February 06, 2024

The Shvetsov M-11 is a five-cylinder air-cooled radial aircraft engine produced in the Soviet Union between 1923 and 1952.[1]

M-11
Shvetsov M-11F
Type Radial engine
Manufacturer Shvetsov
First run 1923
Number built 100,000+

Design and development edit

The Shvetsov M-11 was designed under a 1923 competition in the Soviet Union for a new engine to power trainer aircraft. It is a single-row five-cylinder air-cooled radial piston engine with aluminum cylinder heads. Like the American Kinner B-5 5-cylinder radial of similar size, the M-11 had individual camshafts for each cylinder, operating the pushrods, rather than a single central cam ring. The initial versions of the M-11 suffered from a short service life of only 50 hours. The basic M-11 engine had a power output of 100 hp (73 kW), the newer M-11D variant was higher at 125 hp (92 kW). The ultimate version, M-11FR, introduced in 1946, increased power output to 160 hp at 1,900 rpm on takeoff and 140 hp at cruise and had provisions for a variable-pitch propeller, accessory drive (for vacuum pumps, compressors, generators, etc.) and featured a floatless carburetor.

Variants edit

Data from:[2]

M-100
Designation of prototype and initial designs.
M-11
Initial production version at 75 kW (100 hp), compression ratio 5:1
M-11a
75 kW (100 hp) / 82 kW (110 hp)
M-11/A
75 kW (100 hp) / 82 kW (110 hp)
M-11B
75 kW (100 hp) / 82 kW (110 hp)
M-11D
86 kW (115 hp) / 93 kW (125 hp)
M-11E
Compression ratio 6:1 - 110 kW (150 hp) / 120 kW (160 hp)
M-11F
108 kW (145 hp) / 123 kW (165 hp)
M-11FM
108 kW (145 hp)
M-11FR
Compression ratio 5.5:1 - 100 kW (140 hp) / 120 kW (160 hp)
M-11FR-1
Compression ratio 5.5:1 - 100 kW (140 hp) / 120 kW (160 hp)
M-11FN
150 kW (200 hp)
M-11G
75 kW (100 hp) / 82 kW (110 hp)
M-11I
Compression ratio 5.5:1 - 130 kW (170 hp) / 150 kW (200 hp)
M-11K
86 kW (115 hp) / 93 kW (125 hp)
M-11L
86 kW (115 hp) / 93 kW (125 hp)
M-11M
108 kW (145 hp)
M-11V
75 kW (100 hp) / 82 kW (110 hp)
M-11Ya:A projected development of the M-11 at GAZ-41. The prototype was run but results were unsatisfactory, re-designated M-12
M-11Ye
Developed by Okromechko 110 kW (150 hp)

Further developments edit

3M-11
An alternative designation for the M-50 three cylinder derivative of the M-11
M-12
A 190 hp (140 kW) development of the M-11 by M.A. Kossov, un-related to the NAMI-100, which had been earlier designated M-12.
M-12 (M-11Ya)
A projected development of the M-11 at GAZ-41. The prototype was run but results were unsatisfactory, re-designated from M-11Ya
M-13 (M-13K)
A 1944 development by M.A. Kossov to be assembled from various M-11 variants
M-13
In parallel with the M-13K, E.V. Urmin at GAZ-41 mated cylinders from the M-11D with new crankshaft and crankcase
M-13
A later M-13 was created by I.A. Muzhilov at OKB-41 in 1946. Despite passing state acceptance test in June 1948, this engine was not put into production.
M-48
A 7-cylinder further development at GAZ-29 150 kW (200 hp)
M-49
A 9-cylinder further development at GAZ-29 200 kW (270 hp) / 230 kW (310 hp)
M-50
A 3-cylinder further development at GAZ-29 45 kW (60 hp)
M-51
A 5-cylinder further development at GAZ-29 93 kW (125 hp) / 108 kW (145 hp)
MG-11
Development of the M-51 at the NIIGVF (Nauchno-Issledovatel'skiy Institut Grazdahnskovo Vozdooshnovo Flota - civil air fleet scientific test institute) by M.A. Kossov. 110 kW (150 hp) / 130 kW (180 hp)
MG-21
Development of the M-48 at the NIIGVF by M.A. Kossov. 160 kW (210 hp) / 190 kW (250 hp)
MG-31
Development of the M-49 at the NIIGVF by M.A. Kossov. 200 kW (270 hp) / 240 kW (320 hp)
MG-50
A projected 18 cylinder, two-row radial derived from M-11 components by M.A. Kossov. 600 kW (800 hp) / 630 kW (850 hp)

Applications edit

The M-11 powered a number of Soviet, Bulgarian and Polish aircraft. The M-11 remained in production until 1952 with an estimated total of over 100,000 engines made. Several hundreds of M-11D and M-11FR-1 variants were manufactured under license in the Polish WSK-Kalisz works in Kalisz. It was also used for the up-engined GAZ-98K aerosani winter-used sled in a pusher configuration, and as the standard powerplant for the similar NKL-26 propeller-driven sledges during the World War II years.

Specifications (M-11A) edit

Data from Kotelnikov.[3]

General characteristics

Components

  • Cooling system: Air-cooled

Performance

See also edit

Comparable engines

Related lists

References edit

 
Wikimedia Commons has media related to Shvetsov M-11.

Notes edit

  1. ^ Gunston 1989, p.158.
  2. ^ Kotelnikov, Vladimir (2005). Russian Piston Aero Engines. Marlborough: The Crowood Press Ltd. ISBN 978-1-86126-702-3.
  3. ^ Kotelnikov 2005, p.

Bibliography edit

  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
  • Kotelnikov, Vladimir. Russian Piston Aero Engines. Marlborough, Wiltshire. The Crowood Press Ltd. 2005. ISBN 1-86126-702-9.

February 06, 2024
shvetsov, five, cylinder, cooled, radial, aircraft, engine, produced, soviet, union, between, 1923, 1952, 11ftype, radial, enginemanufacturer, shvetsovfirst, 1923number, built, contents, design, development, variants, further, developments, applications, speci. The Shvetsov M 11 is a five cylinder air cooled radial aircraft engine produced in the Soviet Union between 1923 and 1952 1 M 11Shvetsov M 11FType Radial engineManufacturer ShvetsovFirst run 1923Number built 100 000 Contents 1 Design and development 2 Variants 2 1 Further developments 3 Applications 4 Specifications M 11A 4 1 General characteristics 4 2 Components 4 3 Performance 5 See also 6 References 6 1 Notes 6 2 BibliographyDesign and development editThe Shvetsov M 11 was designed under a 1923 competition in the Soviet Union for a new engine to power trainer aircraft It is a single row five cylinder air cooled radial piston engine with aluminum cylinder heads Like the American Kinner B 5 5 cylinder radial of similar size the M 11 had individual camshafts for each cylinder operating the pushrods rather than a single central cam ring The initial versions of the M 11 suffered from a short service life of only 50 hours The basic M 11 engine had a power output of 100 hp 73 kW the newer M 11D variant was higher at 125 hp 92 kW The ultimate version M 11FR introduced in 1946 increased power output to 160 hp at 1 900 rpm on takeoff and 140 hp at cruise and had provisions for a variable pitch propeller accessory drive for vacuum pumps compressors generators etc and featured a floatless carburetor Variants editData from 2 M 100 Designation of prototype and initial designs M 11 Initial production version at 75 kW 100 hp compression ratio 5 1 M 11a 75 kW 100 hp 82 kW 110 hp M 11 A 75 kW 100 hp 82 kW 110 hp M 11B 75 kW 100 hp 82 kW 110 hp M 11D 86 kW 115 hp 93 kW 125 hp M 11E Compression ratio 6 1 110 kW 150 hp 120 kW 160 hp M 11F 108 kW 145 hp 123 kW 165 hp M 11FM 108 kW 145 hp M 11FR Compression ratio 5 5 1 100 kW 140 hp 120 kW 160 hp M 11FR 1 Compression ratio 5 5 1 100 kW 140 hp 120 kW 160 hp M 11FN 150 kW 200 hp M 11G 75 kW 100 hp 82 kW 110 hp M 11I Compression ratio 5 5 1 130 kW 170 hp 150 kW 200 hp M 11K 86 kW 115 hp 93 kW 125 hp M 11L 86 kW 115 hp 93 kW 125 hp M 11M 108 kW 145 hp M 11V 75 kW 100 hp 82 kW 110 hp M 11Ya A projected development of the M 11 at GAZ 41 The prototype was run but results were unsatisfactory re designated M 12 M 11Ye Developed by Okromechko 110 kW 150 hp Further developments edit 3M 11 An alternative designation for the M 50 three cylinder derivative of the M 11 M 12 A 190 hp 140 kW development of the M 11 by M A Kossov un related to the NAMI 100 which had been earlier designated M 12 M 12 M 11Ya A projected development of the M 11 at GAZ 41 The prototype was run but results were unsatisfactory re designated from M 11Ya M 13 M 13K A 1944 development by M A Kossov to be assembled from various M 11 variants M 13 In parallel with the M 13K E V Urmin at GAZ 41 mated cylinders from the M 11D with new crankshaft and crankcase M 13 A later M 13 was created by I A Muzhilov at OKB 41 in 1946 Despite passing state acceptance test in June 1948 this engine was not put into production M 48 A 7 cylinder further development at GAZ 29 150 kW 200 hp M 49 A 9 cylinder further development at GAZ 29 200 kW 270 hp 230 kW 310 hp M 50 A 3 cylinder further development at GAZ 29 45 kW 60 hp M 51 A 5 cylinder further development at GAZ 29 93 kW 125 hp 108 kW 145 hp MG 11 Development of the M 51 at the NIIGVF Nauchno Issledovatel skiy Institut Grazdahnskovo Vozdooshnovo Flota civil air fleet scientific test institute by M A Kossov 110 kW 150 hp 130 kW 180 hp MG 21 Development of the M 48 at the NIIGVF by M A Kossov 160 kW 210 hp 190 kW 250 hp MG 31 Development of the M 49 at the NIIGVF by M A Kossov 200 kW 270 hp 240 kW 320 hp MG 50 A projected 18 cylinder two row radial derived from M 11 components by M A Kossov 600 kW 800 hp 630 kW 850 hp Applications editThe M 11 powered a number of Soviet Bulgarian and Polish aircraft The M 11 remained in production until 1952 with an estimated total of over 100 000 engines made Several hundreds of M 11D and M 11FR 1 variants were manufactured under license in the Polish WSK Kalisz works in Kalisz It was also used for the up engined GAZ 98K aerosani winter used sled in a pusher configuration and as the standard powerplant for the similar NKL 26 propeller driven sledges during the World War II years Anbo II replica Gribovsky G 15 Gribovsky G 20 Gribovsky G 21 Gribovsky G 23 Gribovsky G 27 Kharkiv KhAI 3 Laz 7M LWD Junak Mikoyan Gurevich MiG 8 Utka Polikarpov Po 2 PZL S 4 Kania Shavrov Sh 2 amphibian Shcherbakov Shche 2 Yakovlev UT 1 Yakovlev UT 2 Yakovlev Yak 6 Yakovlev Yak 12 Yakovlev Yak 18Specifications M 11A editData from Kotelnikov 3 General characteristics Type 5 cylinder air cooled radial engine Bore 125 mm 4 92 in Stroke 140 mm 5 51 in Displacement 8 6 L 525 in3 Dry weight 165 kg 363 lb Components Cooling system Air cooledPerformance Power output 82 kW 110 hp at 1 650 rpm for takeoff 75 kW 100 hp cruise Specific power 9 5 kW L 0 21 hp in Compression ratio 5 1 Power to weight ratio 0 5 kW kg 0 3 hp lb See also editComparable engines Armstrong Siddeley Genet Armstrong Siddeley Mongoose Kinner K 5 Walter Vega Warner Scarab Junior Wright R 540Related lists List of aircraft enginesReferences edit nbsp Wikimedia Commons has media related to Shvetsov M 11 Notes edit Gunston 1989 p 158 Kotelnikov Vladimir 2005 Russian Piston Aero Engines Marlborough The Crowood Press Ltd ISBN 978 1 86126 702 3 Kotelnikov 2005 p Bibliography edit Gunston Bill World Encyclopedia of Aero Engines Cambridge England Patrick Stephens Limited 1989 ISBN 1 85260 163 9 Kotelnikov Vladimir Russian Piston Aero Engines Marlborough Wiltshire The Crowood Press Ltd 2005 ISBN 1 86126 702 9 Retrieved from https en wikipedia org w index php title Shvetsov M 11 amp oldid 1169469416, wikipedia, wiki, book, books, library,

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