{HEAD ~ This invention} relates to fluid reaction surfaces having {TAIL ~ resiliently mounted non rigid working members}, more specifically to an improved two bladed rotor for rotary wing aircraft, especially gyroplanes 
{ HEAD ~ This invention } relates to fluid reaction surfaces having { TAIL ~ resiliently mounted non rigid working members } , more specifically to an improved two bladed rotor for rotary wing aircraft , especially gyroplanes
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH