Next Aircraft in Timeline
YC-130 (Project) →
Helicopter
HTK-1 (K-240)
Kaman · USA
Using two rotors that "mesh" together like gears, the HTK-1 eliminated the need for a tail rotor. It was used primarily as a trainer and a multi-use utility helicopter for the US Navy and Marines.
Technical Specifications
| First Flight | 1951 |
|---|---|
| Max Speed | 130 km/h |
| Range | 310 km |
| Ceiling | 3,000 m |
| Engines | 2x Lycoming O-435-4 piston engines |
Armament & Payload
Unarmed (Training/Utility).