Hawk 4 Gyroplane, USA
Key Data:
Order year
1998 (start of certification process)
Project type
Helicopters and Gyroplanes
Base Country
USA
Aircraft Base Price
$749,000
Type of Aircraft
S/VTOL gyroplane
Completion
2001
Key Players:
Owners
Groen Brothers Aviation Incorporated
Sources of information/
STADACO
Lead contractors
Advanced Technologies Incorporated
Lead contractors
Rolls Royce
Sources of information/ research
STADACO Metalcraft Technologies Incorporated Aerospace Engineering and Support Incorporated Rocky Mountain Composites Teledyne Continental Motor Airfoils Inc Department of Aerospace Engineering (Pennsylvania State University)
Dimensions:
Fuselage length
24 feet
Height
13.5 feet
Rotor blade diameter
42 feet
Weights:
Useful Load
1,030 pounds
Ground roll/ take off distance
0/ 150 feet
Maximum Gross Weight
3,500 pounds
Engine Type
Rolls Royce model 250 B17C (420 shp) gas turbine
Fuel:
Standard Capacity
75 gallons
Performance:
Maximum speed
148 miles per hour (sea level)
Normal operating speed
120 miles per hour (sea level)
Service Ceiling
16,000 feet
Range at cruise
330 miles
Seats
4
