Two sets of blades? A great engineering feat... but I sort of have to ask the question... why?
I know there is a real life version called the Kaman...
http://www.airliners.net/photo/628504/L/
Info Wierd Heli
Discussion in 'The Chat Room' started by smakmeharder, Jul 5, 2014.
Comments
Discussion in 'The Chat Room' started by smakmeharder, Jul 5, 2014.