Aerospace/Aviation

Recent Answers

2013-05-12 Aeronautical Engineering - Contra / Coaxial rotating Helicopters.:

Prashant - If you want to increase helicopter speed, you have to increase the airspeed through the rotor disc. Adding a third rotor, for example, may add some power at the expense of more drag, more engine

2013-05-11 Aeronautical Engineering - Contra / Coaxial rotating Helicopters.:

I'm not sure if you are talking about rotors or rotor blades. In any case, I don't know the effects of even or odd number of blades. All I can say is that machines designed for high speed have fewer rotor

2013-05-10 Aeronautical Engineering - Contra / Coaxial rotating Helicopters.:

Well finally a question somewhat in my area... :)  With regard to contra-rotating helicopters the primary advantage(s) are higher efficiency (due to the reduction of residual swirl in the flow) and the

2013-05-10 Aeronautical Engineering - Contra / Coaxial rotating Helicopters.:

Prashant - The main advantages of contra-rotating rotors is the balanced torque which does not have to be countered by the tail rotor (though you still need some directional control), the added thrust

2013-05-06 Aeronautical Engineering - Cirrus Airframe Parachute System (CAPS).:

Prashant - I have heard of the Cirrus recovery system, which obviously can work for small aircraft. But it would not work for a very heavy aircraft such as a commercial aircraft. Assuming you had a perfect