72174 ⎘
Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft comprising in addition rudders, tails, fins, or the like
Sub-classes:HELICOPTER TAIL BOOM AND METHODS OF MANUFACTURE AND RETROFIT OF SAME
#2A METHOD OF MANUFACTURING A FIBER REINFORCED COMPOSITE COMPONENT
#3HYBRID AIR VEHICLE
#4HELICOPTER
#5Rotary wing aircraft with a stabilizer arrangement
#6Compound helicopters having auxiliary propulsive systems
#7Compound helicopter having a tiltable jet engine
#8Compound helicopters having auxiliary propulsive systems
#9System and method for controlling rotorcraft
#10Counter torque device
#11Vertical stabilizer
#12Helicopter with anti-torque system, related kit and methods
#13Aircraft vertical stabilizer design
#14Hub separation in dual rotor rotary wing aircraft
#15Collective to elevator mixing of a rotary wing aircraft
#16Main rotor rotational speed control for rotorcraft
#17Rotorcraft rotor and propeller speed
#18Gearbox for a dual rotor, rotary wing aircraft
#19Single collective stick for a rotary wing aircraft
#20Lift offset control of a rotary wing aircraft
#21Independent control for upper and lower rotor of a rotary wing aircraft
#22Rotary or fixed wing aircraft with thrust vectoring tail
#23Dual rotor, rotary wing aircraft
#24Tip clearance measurement of a rotary wing aircraft
#25Compound rotorcraft
#26Helicopter with anti-torque system, related kit and methods
#27Rotary wing aircraft with a multiple beam tail
#28Rotorcraft flight parameter estimation
#29Anti-torque device with longitudinal thrust for a rotorcraft
#30Radial airfoil and lift disc
#31Convertible helicopter ring member