Two seater dual control autogyro developed in 1933; an improved K-3.  Only one was built [Ref ].


Data on design, manufacture and status

Design authority: Kellett Aircraft Corporation

Primary manufacturer: Kellett Aircraft Corporation

Parent type: No type defined

Aircraft status: No longer flying


Primary flight and mechanical characteristics

VTOL type: Gyroplane

Compound type: Lift

Lift configuration: Single main rotor

Dedicated control device: Rudder

Dedicated propulsion devices: 1

Crew required: 1-2

Crew seating: Tandem

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height:  
Overall Length:  
Overall Width: 12.34 m 40.5 ft
Airframe Dimensions
Airframe Length:  
Airframe Width: 7.49 m 24.6 ft
Airframe Height:  
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track:  
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

Cruise Speed: 93 mph (150 km/h)

Max Gross Weight (ground): 1,095 kg 2,414 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 1,095 kg 2,414 lb
Empty Weight: 741 kg 1,634 lb
Useful Load: 354 kg 780 lb
Empty Weight Fraction: 0.677
Climb Performance
Max Rate of Climb: 5 m/s 940 fpm
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE:  
Max Level Flight Speed: 180 km/h 97 kts
Never Exceed Speed:  
Service Ceiling:  
Range and Endurance
Max Range:  
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

Provided powerplant data is for uninstalled, sea level, static operations.

Number of engines: 1
Designation: Kinner C-5 reciprocating
Manufacturer: Kinner Airplane & Motor Corporation (Engine)
Normal Ratings
Max continuous:  
Take-off / rated: 157 kW 210 hp
OEI Ratings
OEI contingency:  
OEI continuous:  
OEI 30-second:  
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

Main Rotor Characteristics
Diameter: 12.34 m 40.50 ft
Direction of Rotation: Counterclockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:  
Blade Tip Geometry:
Blade Twist:  
Number of Blades: 4
Main Rotor Derived Characteristics
Disc Area: 119.68 m² 1288.3 ft²
Disc Loading: 9.15 kg/m² 1.874 lb/ft²
Main Rotor Blade Derived Characteristics
Blade area per blade:  
Tip Speed:  

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Configuration: Unknown
Direction of Rotation: Unknown
Tail Rotor Blade Characteristics
Number of Blades:  
Blade Construction: N/A
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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Related Public Resources

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