Salmson air-cooled aero-engines
| Salmson 9 | |
|---|---|
 | |
| Salmson 9Ad | |
| Type | Radial engine |
| Manufacturer | Société des Moteurs Salmson |
| First run | 1917 |
Between 1920 and 1951 the Société des Moteurs Salmson in France developed and built a series of widely used air-cooled aircraft engines.[1]
Design and development
After their successful water-cooled radial engines, developed from 1908 to 1918, Salmson changed their focus to air-cooling to reduce weight and increase specific power (power per unit weight). The majority of the engines produced by Salmson were of radial type with a few other arrangements such as the Salmson T6.E. In common with other engines produced by this manufacturer, the air-cooled radial engines featured the unorthodox Canton-Unné internal arrangement that dispensed with a master rod in favour of a cage of epicyclic gears driving the crankpin. Production ended in 1951 with the liquidation of the manufacturing company.
British Salmson
The 3,7 and 9 cylinder Salmsons were license built in Great Britain, during the 1920s and 1930s, by the British Salmson engine company as the British Salmson AD.3, British Salmson AC.7, British Salmson AC.9, and British Salmson AD.9.
Salmson post-WWI engines
In common with several other French aero-engine manufacturers Salmson named their engines with the number of cylinders then a series letter in capitals followed by variant letters in lower-case. Engines not included in the 1932 table which follows are listed here:
- 3AD
- 8.9 kW (12 hp) at 1800 rpm rated[3]
- 5Ac
- 89 kW (120 hp)[4]
- 5Ap-01
- 5Aq-01
- 6Ad
- 6TE
- 6TE.S
- 7Ac
- 7Aq
- 7M
- 7Om
- 8As
- 9AB
- 150 kW (200 hp) at 1500 rpm rated[3]
- 9ABa
- 9ABc
- 172 kW (230 hp)
- 9Az
- 220 kW (300 hp) at 1500 rpm rated[3]
- 9A2c
- 9M
- 9Nd
- 130 kW (175 hp)
- 9Ne
- 9Ng
- 9Nh
- 9P
- 9Y
- 11B
- 12C
- W-12
- 18Z
- Salmson-Szydlowski SH18
- 18 cylinder air-cooled 2-stroke radial
Salmson air-cooled engines available in 1932 are tabled here[5]
| Name | Cylinders | Year | Bore | Stroke | Capacity | Power | Weight |
|---|---|---|---|---|---|---|---|
| 7AC | 7-cyl radial | 100 mm (3.94 in) | 130 mm (5.12 in) | 7.150 l (436.3 cu in) | 78 kW (105 hp) at 1,800 rpm | 130 kg (287 lb) | |
| 9AB | 9-cyl radial | 125 mm (4.92 in) | 170 mm (6.69 in) | 18.765 l (1,145.1 cu in) | 186 kW (250 hp) at 1,700 rpm | 265 kg (584 lb) | |
| 9AC | 9-cyl radial | 100 mm (3.94 in) | 130 mm (5.12 in) | 9.189 l (560.7 cu in) | 97 kW (130 hp) at 1,800 rpm | 170 kg (375 lb) | |
| 9AD | 9-cyl radial | 70 mm (2.76 in) | 86 mm (3.39 in) | 2.979 l (181.8 cu in) | 34 kW (45 hp) at 2,000 rpm | 68 kg (150 lb) | |
| 9ADb | 9-cyl radial | 70 mm (2.76 in) | 86 mm (3.39 in) | 2.979 l (181.8 cu in) | 41 kW (55 hp) at 2,200 rpm | 74 kg (163 lb) | |
| 9ADr | 9-cyl radial | 70 mm (2.76 in) | 86 mm (3.39 in) | 2.979 l (181.8 cu in) | 48 kW (65 hp) at 2,700 rpm | 79 kg (174 lb) | |
| 9NA | 9-cyl radial | 140 mm (5.51 in) | 160 mm (6.30 in) | 22.140 l (1,351.1 cu in) | 246 kW (330 hp) at 1,800 rpm | 292 kg (644 lb) | |
| 9NAs | 9-cyl radial | 140 mm (5.51 in) | 160 mm (6.30 in) | 22.140 l (1,351.1 cu in) | 336 kW (450 hp) at 1,800rpm | 315 kg (694 lb) | |
| 9NC | 9-cyl radial | 100 mm (3.94 in) | 140 mm (5.51 in) | 9.900 l (604.1 cu in) | 112 kW (150 hp) at 1,800 rpm | 155 kg (342 lb) | |
| 9NCt | 9-cyl radial | 100 mm (3.94 in) | 140 mm (5.51 in) | 9.900 l (604.1 cu in) | 127 kW (170 hp) at 1,800 rpm | 165 kg (364 lb) | |
| 18AB | 18-cyl air-cooled in-line radial | 125 mm (4.92 in) | 180 mm (7.09 in) | 39.761 l (2,426.4 cu in) | 410 kW (550 hp) at 1,700 rpm | 450 kg (992 lb) | |
| 18ABs | 18-cyl air-cooled in-line radial | 125 mm (4.92 in) | 180 mm (7.09 in) | 39.761 l (2,426.4 cu in) | 485 kW (650 hp) at 1,700 rpm | 465 kg (1,025 lb) |
Applications
Nine cylinder engines
- 9AB
- Aviméta 132
- Bernard SIMB AB 16
- Blériot 135
- Blériot 290
- Boisavia B.604 Mercurey II
- Farman F.166
- Farman F.310
- Hanriot H.436
- Loire 30
- Loire 501
- Morane-Saulnier MS.130
- Morane-Saulnier MS.237
- Morane-Saulnier MS.502
- Potez 33/2
- Romano R.82
- Romano R.83
- SET 3
- SNCAO 30
- Wibault 360 prototype
- 9AC
- ANF Les Mureaux 140T
- Bartel BM-2
- Besson MB.35
- Caudron C.240
- Farman F.202
- Hanriot H.36
- Hanriot H.41H
- Hanriot LH.12
- Hanriot HD.320
- Lioré et Olivier LeO H-180
- Morane-Saulnier MS.136
- Morane-Saulnier MS.137
- SPCA 40T
- 9AD
- Ace 300
- Angus Aquila (A.D.9)
- Arado L I
- Arpin A-1 Safety-Pin (A.D.9R srsIII)
- Aviaméta 9Ac
- B.A. Swallow (A.D.9)
- Bassou Roubis (9 AD
- BFW M.23a
- Boulton & Paul P.41 Phoenix II (A.D.9)
- British-Klemm Swallow (A.D.9R srsIII)
- Brochet MB.50
- Brochet MB.70
- CAP-4 Paulistinha prototype
- Caudron C.109
- Comper C.L.A.7 Swift (A.D.9)
- Couzinet 100 (9 ADb)
- Couzinet 103
- Dupuy D-40 (9 AD)
- Farman F.230
- Gerner G II R (9 AD)
- Hafner R.II Revoplane II (A.D.9)
- Henderson-Glenny Gadfly III
- Hinkler Ibis (A.D.9)
- Indraéro Aéro 20 (9 ADb)
- Indraéro Aéro 30 (9 AD)
- Indraéro Aéro 101 (9 ADb)
- Jodel D.11
- Jodel D.116
- Jodel D.116 (9 ADr)
- Klemm L.25 (A.D.9)
- Mauboussin M.120
- Morane-Saulnier MS.180
- Peyret-Mouboussin M.XII
- Payne Knight Twister prototype
- Parmentier Wee Mite (A.D.9)
- Piel CP.210 Pinocchio (9 AD)
- Rigault RP.01B
- RWD-2
- Salmson D-6 Cricri (9 ADr)
- Siebel Si 202A
- Starck AS-70 Jac
- Starck AS-72
- Taylor E-2 prototype
- Terle Sportplane (9 AD)
- WNF Wn 16
- 9AG
- 9AZ
- 9NC
- Besson MB.41
- Morane-Saulnier MS.191
- Morane-Saulnier MS.315
- Morane-Saulnier MS.343
- Salmson Phrygane D-2
- SPCA 41T
- SPCA 218
- 9ND
- 9NE
- 9NH
- 9NM
7AC
- Albert A-61
- Caudron C.191&2
- Caudron C.220
- Caudron C.270
- Dewoitine D.480
- Farman F.234
- Farman F.280
- Farman F.352
- Hanriot H.411
- Kellner-Béchereau 23
- Morane-Saulnier MS.132
- Morane-Saulnier MS.148
- Potez 36/5
5Ap
5Aq
5AC
Specifications (9 Ab)
Data from Tsygulev[6]
General characteristics
- Type: Nine-cylinder single-row supercharged air-cooled radial engine
- Bore: 125 mm (4.92 in)
- Stroke: 170 mm (6.69 in)
- Displacement: 18.765 l (1,145 in³)
- Length: 1,000 mm (39.37 in)
- Diameter: 1,180 mm (46.46 in)
- Dry weight: 265 kg (584 lb)
Components
- Valvetrain: Two overhead valves per cylinder
- Supercharger: Single-speed centrifugal type supercharger
- Fuel system: Zenith 42D carburetor
- Cooling system: Air-cooled
Performance
- Power output: 191 kW (256 hp) at 1,780 rpm for takeoff
- Specific power: 10.18 kW/l (0.22 hp/in³)
- Compression ratio: 5:1
- Specific fuel consumption: 328 g/(kW•h) (0.54 lb/(hp•h))
- Oil consumption: 19 g/(kW•h) (0.49 oz/(hp•h))
- Power-to-weight ratio: 0.72 kW/kg (0.44 hp/lb)
See also
Notes
- ↑ Gunston 1986, p. 158.
- ↑ http://www.fai.org/fai-record-file/?recordId=12218
- 1 2 3 Salmson 1927 advert
- ↑ "Les Moteurs d'aviation Salmson". L'Aérophile: 33–34. 1–15 January 1924.
- ↑ Hartmann, Gerard. "LA SOCIETE DES MOTEURS SALMSON" (pdf). hydroretro.net (in French). p. 13. Retrieved 11 April 2015.
- ↑ Tsygulev (1939). Aviacionnye motory voennykh vozdushnykh sil inostrannykh gosudarstv (Авиационные моторы военных воздушных сил иностранных государств) (in Russian). Moscow: Gosudarstvennoe voennoe izdatelstvo Narkomata Oborony Soyuza SSR.
References
- Gunston, Bill (1986). World Encyclopaedia of Aero Engines. Wellingborough: Patrick Stephens. p. 152.
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
- Cuny, Jean. "Latécoère - Les Avions et Hydravions".Paris. Docavia/Editions Lariviere. 1992. ISBN 2-907051-01-6
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