Question 4 Feb 13, 2015 18:53:07 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Br. Marius on Feb 13, 2015 18:53:07 GMT Justify briefly (1-2 lines)? (a) A large lateral gust can be dangerous.(b) An optimum rotor is a hypothetical rotor and can be used only as a benchmark to gauge the efficiency of a real rotor.(c) A small pre-cone of 2 to 3 degree is given to hingeless rotors.(d) A teetering rotor during descent (particularly in autorotation) can get into mast bumping.(e) Conventional helicopters are limited to a max speed of say less than 175 knots(f) Landing a helicopter on Himalaya is a challenging task.