Amax Eagle Gyroplane Circa 1991

AMAX Eagle GyroplaneAMAX Eagle Gyroplane with WARP Drive prop
AMAX EA81 engine

AMAX EA81 engine

The 1991 model Hi-Tech Amax Eagle Gyroplane is now in production featuring a four stroke Subaru EA81 power plant fitted with the AMAX POLYCHAIN REDUCTION DRIVE.

Tested in the harsh conditions of the Australian outback: it is the choice of the professional herding and mustering operators for it’s reliability, economy and reliable performance in extreme conditions.

An integrated 4130 aircraft steel tube engine mount and landing gear suspension system plus aircraft engineered nose wheel gives strength, rigidity and safety to this gyroplane in the air and on the ground.

Amax Eagle Gyroplane Specifications

  • Engine – Subaru EA81 1800cc flat four all alloy four stroke, liquid cooled – fully rebuilt, polished crank cases and heads, cam reground, Amax alternator.
  • Static engine thrust – 400 lbs.
  • Reduction Unit – AMAX reduction drive featuring Polychain belt – ail alloy with 1.8:1 ratio incorporating a flywheel to accept a starter.
  • Propeller – 68″ – 3 blade Warp Drive ground adjustable carbon fiber. Available from: Wicks Aircraft Supplies.
Amax EA81 Conversion Specifications
Power Output 80 hp at 5000 RPM
Capacity 1800cc
Redrive Weight 23 lbs (not including flywheel)
Fuel Consumption 3.5 gal/hr at 75% power
Max. Prop. Diam 72 inches
Thrust Output 400 lbs (Subject to propeller)

AMAX gyrocopter redrive

AMAX gyrocopter Subaru EA81 redrive


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Brand Name
Amax Engineering
Product Name
Amax Eagle Gyroplane

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