Names and dates
| Market original model designation | Ку-1 | | Market model designation (english translation or spelling) | Ku-1 | | Date of prototype completion | 1985 | | Tests start date | 1985 | | Country of manufacture | Ukraine |
People involved
| Vladimir Kuzmin {Владимир Кузьмин} | Constructor |
Config info
| Rotorcraft type | Helicopter | | Config | Single rotor | | Way of counteracting main rotor torque | Tail rotor |
Weights
| Manufacturers empty weight (MEW) | |
Cabin and cockpit
| Maximum number of people onboard | 1 |
External dimensions
| Length | | | Width | | | Height | | | Main landing gear wheel diameter | | | Main landing gear wheel width | | | Nose landing gear wheel diameter | | | Nose landing gear wheel width | |
Main rotor
| Cyclic control | Tilting rotor shaft | | Collective control | Yes | | Main rotor diameter | | | Main rotor angular speed | | | Main rotor blade airfoil | NACA 23015 | | Main rotor blade twist | |
Tail rotor
| Tail rotor diameter | | | Tail rotor angular speed | |
Powerplant
| Engine model | From K-740 motorcycle | | Engine dry weight | | | Number of engines | 1 | | Total maximum power | | | Angular speed at max power | |
Performance
| Maximum horizontal flight speed (Vh) | | | Cruise speed (Vc) | | | Maximum service ceiling | | | Maximum range | |
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