Item 0009
OTHER: Aircraft -
Gyro/Heli - Single Rotor & Two Tilt Props
Gyro/Heli II Too
Unified Gyrocopter & Helicopter
Overview:
xx

Brief Description:
One main rotor.
The hub will be Teetering Rotor with 3+ Blades and Offset Hinges or Teetering Rotor with 3+ Blades, Constant Velocity Joint and Hub Springs
Two pusher prop/rotors
The prop/rotors face down to assists the single rotor during hover.
The prop/rotors face back during forward flight.
Each prop rotor has a diameter approximately 1/3 of that of the main rotor.
The prop/rotors have 3 or 4 blades. These additional blades will keep the prop/rotors relatively small.
The two prop/rotors have the same direction of rotation and they counter the main rotor's torque hover.
The prop/rotors have constant speed control and they have a fixed relationship with the main rotor, therefore the main rotor has a constant speed as well.
The hubs of the prop/rotors are behind the pilot during cruise and below the pilot's seat during hover.
There is one central gearbox.
- A single pinion drives two crown gears. From the crown gears the power goes out to 4:1 ration crown and pinion gearboxs at the hub of the prop/rotors. This arraignment should eliminate torque that would cause a problem when rotating the prop/rotors between rotor and prop.
I superficially think.
The gearbox also includes the crown and pinion gear that sends power to the main rotor.
The fuselage, supports and tail boom might bolt to this gearbox.
See Gyro/Heli II for somewhat related information. Its drawing could be modified for a one-seat craft. Consider tandem seating for two-seat craft

Drawing:
Copy drawing 0832.dc and modify it for tandem seating, larger props w/ 4 blades, show two positions of props.

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Last Revised: December 28, 2004