Avia Rk-17
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Rk-17 in the Kbely Aviation Museum
The Avia Rk-17 is an aircraft engine made by the Czechoslovak manufacturer Avia in 1934. It is the two- cylinder version of the seven-cylinder Rk-12 engine
construction
The Rk-17 is an air-cooled Neunzylinder- four-stroke - radial engine . It consists of steel liners with light metal cylinder heads shrunk on . Each cylinder has two inclined valves. It is controlled by rocker arms and bumpers. The crankshaft is split in two. The Rk-17 has a centrifugal compressor with a ratio of 1: 10.7.
use
Technical specifications
| Parameter | Data |
|---|---|
| drilling | 130 mm |
| Hub | 140 mm |
| Displacement | 16.72 l |
| compression | 6.38: 1 |
| length | 1070 mm |
| diameter | 1180 mm |
| rated capacity | 350 PS (257 kW) at 2250 rpm at 2000 m constant pressure altitude |
| Best rated power | 360 PS (265 kW) at an altitude of 2800 m |
| Full performance | 385 hp (283 kW) |
| Best full performance | 400 hp (294 kW) at 2200 rpm |
| Starting power | 420 hp (309 kW) at 2100 rpm |
| Dry weight without hub |
260 kg |
| Power to weight ratio | 0.62 kg / hp |
| Displacement | 25.1 hp / l |
| Fuel consumption | 92 kg / h |
| Lubricant consumption | 2.3 kg / h at 360 PS (265 kW) |
| Octane number | 85 |
literature
- Werner von Langsdorff : Handbook of aviation . Born in 1939. 2nd, unchanged edition. J. F. Lehmann, Munich 1937, p. 531 and 561 .
Web links
Commons : Avia Rk-17 - collection of images, videos and audio files
