>Note - I have seen photos of model helicopters being flown inverted by >suitably expert pilots. >The cyclic has to be capable of suitable range to allow blade pitch to= apply >vertical "lift" in the opposite direction to normal. And this is very common! But they say that's impossible in a real heli,= why?!? ---8<---Corte aqui---8<---- Alexandre Souza taito@terra.com.br http://planeta.terra.com.br/lazer/pinball/ ---8<---Corte aqui---8<---- -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.