Main Rotor Blade Diameter
25’2”
Length Overall
345”, 28’9
Tail Rotor Diameter
42”
Drive System
-Engine to upper sheave
-Upper sheave to drive line
-Drive to main rotor
-Drive line to tail rotor
-2 Double V33-belts w/ .8536:1 reduction
- Sprag-type clutch
- Spiral bevel gears w/ 11:47 speed reduction
- Spiral bevel gears with 3:2 speed increase
Powerplants
O-320-A2B or A2C – 150 BHP @ 2700 (Std)
O-320-B2C – 160 BHP @ 2700 (HP, Alpha & Beta)
O-360-J2A – 145 BHP (derated) (Beta II)
Max Continuous R22
124 BHP & 2652 RPM (104%)
5 Min. Takeoff Pwr (Beta & Beta II)
131 BHP @ 2652 RPM