File:PARAFAN - the ground test of the power unit and counter-rotating propellers 2.jpg
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English: The power unit consisted of the KFM piston engine and two counter-rotating (ducted) propellers, testing on the engine test house.
Polski: Badania na hamowni silnika KFM napędzającego dwa śmigła przeciwbieżne (otunelowane). Ponieważ próby tego innowacyjnego napędu (patent) odbywały się także na skrajnych reżimach pracy silnika, to ze względu na bezpieczeństwo, hamownia umieszczona była w możliwie najlepiej osłoniętym miejscu |
| Date | |
| Source | Own work |
| Author | Dedal |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:23, 7 March 2015 | | 2,399 × 1,554 (2.26 MB) | Dedal (talk | contribs) | {{Information |Description ={{en|1=The power unit consisted of the KFM piston engine and two counter-rotating (ducted) propellers, testing on the engine test house.}} {{pl|1=Badania na hamowni silnika KFM napędzającego dwa śmigła przeciwbieżne... |
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