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GYROPLANES AND CONE STABILIZERS
The Avian 2/180 gyroplane is a pusher design with a ducted* Hartzell propeller. Although the unpowered overhead rotors use "free wheeling" autorotation in flight, a powered ground spin up allows the Avian to achieve a jump take-off of 50 feet vertically (eliminating an aircraft style lift off).

360 DEGREES OF STABILITYbit

CONE STABILIZER CERTIFIED ON GYROPLANE IN CANADA & U.S.A. bit

  • The overlooked stabilizer design
  • Where is the propeller placed?
  • What is the purpose of a cone shape?
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    Because there is a vertical, moveable tail fin within the structure, we're referring
to the cone structure as a *cone stabilizer.
   
 
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The entire (propeller produced) air thrust is directed rear ward in this configuration.
Applying the vertical tail fin left or right would decrease the opening on one side.
The cone is in effect making full use of the the prop-wash, but aircraft propellers
are not fans, they work like a wing.
The forward movement through the air of the gyroplane increases stability
throughout a 360 degree motion rather than the 0 degree / 90 degree motion of
a traditional tail fin and horizontal stabilizer.

Avian 2-1/80 gyroplane

   
    What is the purpose of the cone shape? Mostly it is for pitch dampening. To reduce
the impact of unusual exterior influence on the rotorcraft. This type of stabilizer is
superior to the aeroplane "x" type in that it works to lessen the disturbances in air
flow over the main body of the gyroplane during fast forward flight. Most gyroplane
have open frames and very poor surface aerodynamics. A similar approach, but very
different method of dampening unwanted airflow disturbances, is the stabilator system.
   
         
   
"In all your getting, get understanding"
   
  Other experiments with cone stabilzers: see: "Ring Tail" (offsite link)  
-> Stabilator / -> Stabilizer    
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