The Kaman K-225 is an American experimental helicopter developed by Kaman Aircraft. One example was modified to become the world's first gas turbine -powered helicopter. The K-125 …

Kaman K-225是一款由 卡曼飛機公司 （ 英语 ： Kaman Corporation ） 研製的實驗直升機。 其改款K-5為世界上第一架由燃氣渦輪機驅動的直升機。

K-125是 查爾斯·卡曼 （ 英語 ： Charles Kaman ） 的第一架直升機，它採用了嚙合旋翼和卡曼獲得專利的伺服襟翼穩定性控制。 [1] K-125於1947年1月15日首飛。 K-190和K-225是K-125的 …

K-125是 查尔斯·卡曼 （ 英语 ： Charles Kaman ） 的第一架直升机，它采用了啮合旋翼和卡曼获得专利的伺服襟翼稳定性控制。 [1] K-125于1947年1月15日首飞。 K-190和K-225是K-125的 …

The K-225 served as a prototype for the HTK, the first Kaman helicopter to be evaluated by the U.S. Navy. Kaman was the only U.S. company to mass produce helicopters that incorporated …

The Kaman K-225, the world's first helicopter with a turbine-driven transmission, represents the transition from piston engines that made a number of modern designs possible. Charles H. …

The Kaman K-225 was an experimental helicopter developed by Kaman Aircraft. One was modified to become the world’s first gas turbine-powered helicopter. The K-125 was Charles …

Kaman K-225 “Mixmaster” (1950) The K-125 was Charles Kaman’s first helicopter, which utilized intermeshing rotors and Kaman’s patented servo-flap stability control. The K-125 first flew on …

The K-225 was a two-place, single-engine helicopter using Kaman’s unique system of counter-rotating, intermeshing rotors (“synchropter”). Each rotor cancelled the torque reaction of the …

Kaman K-225 “Mixmaster” (1950) The K-125 was Charles Kaman’s first helicopter, which utilized intermeshing rotors and Kaman’s patented servo-flap stability control. The K-125 first flew on …