http://tech.slashdot.org/story/11/12/21/2040214/troops-in-afghanistan-supplied-by-robot-helicopter
Funny dual rotor setup :
http://www.kamanaero.com/helicopters/kmax.html (interesting embedded videos in this link).
http://www.youtube.com/watch?v=iy_f-Kiwka8
a lot to learn from this video (a) Sychronous contra rotating Rotor, in RC it will mean a lot, more power and better manoeuvres (b) No Hydraulics, Servo Operated flaps, No bullets to puncture hydralic tanks etc (In life i have had many Hydraulic failures and once lost both hydraulics on short finals, Tuch down and the stick froze , and i froze too, thinking that, would have happened if it did, couple of sceonds earlier) hydraulics is an Achilles heels, a necessary one at that. (c) non involvement of an on board pilot in the support operations means troops will be better supported.
Anwar Bhai
Thanks for sharing