Salmson air-cooled aero-engines
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
Between 1920 and 1951 the Société des Moteurs Salmson in France developed and built a series of widely used air-cooled aircraft engines.[1]
| Salmson 9 | |
|---|---|
| |
| Salmson 9Ad | |
| Type | Radial engine |
| Manufacturer | Société des Moteurs Salmson |
| First run | 1917 |
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.
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.
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:
Salmson air-cooled engines available in 1932 are listed here[5]
| Name | Type | 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 (290 lb) | |
| 9AB | 9-cyl radial | 125 mm (4.92 in) | 170 mm (6.69 in) | 18.765 L (1,145.1 cu in) | 190 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 (370 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) | 250 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) | 340 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) | 110 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) | 130 kW (170 hp) at 1,800 rpm | 165 kg (364 lb) | |
| 18AB | 18-cyl 2-row 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 (990 lb) | |
| 18ABs | 18-cyl 2-row radial | 125 mm (4.92 in) | 180 mm (7.09 in) | 39.761 L (2,426.4 cu in) | 480 kW (650 hp) at 1,700 rpm | 465 kg (1,025 lb) |
Data from Tsygulev[6]
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