Lesser Cousin of the Synchropter

[kolibri282]

Ever heard of this one?
http://www.aviastar.org/helicopters_eng/horak.php

[msmfi]

Ever heard of this one?
http://www.aviastar.org/helicopters_eng/horak.php

There is a web page (http://www.vrtulnik.cz/) dedicated to "Helicopters in Czechia" :

* history of helicopters: http://www.vrtulnik.cz/vyroba.htm
* history of gyroplanes: http://www.vrtulnik.cz/gyro/gyro.htm

... all of those in .. Czech language ...

------------------
See also: http://www.rotaryforum.com/forum/showthread.php?t=6417

[Rotor Rooter]

OTHER: Helicopter - Outside - Intermeshing - Stepniewski (concept) (http://www.unicopter.com/1093.html)