American Helicopter Museum - Sud-Ouest S.O. 1221 Djinn Helicopter
Bill Maloney
5/22/2008

01SO1221DjinnHelicopter 02SO1221DjinnTail 03SO1221DjinnEngine 04SO1221DjinnEngine
01 SO1221 Djinn Helicopter 02 Sud-Ouest SO1221 Djinn Tail 03 SO1221 Djinn Engine 04 Sud-Ouest SO1221 Djinn Engine
05SO1221DjinnRotorHub 06SO1221DjinnRotorHub    
05 SO1221 Djinn Rotor Hub 06 SO1221 Djinn Rotor Hub

Sud-Ouest SO1221 Djinn Helicopter Specifications:

Fuselage Length: 17 feet 5 inches
Rotor Diameter:
32 feet 10 inches
Width:
feet inches
Height:
8 feet, 4 inches
Crew:
1+1
Weight:
Empty 835 lbs Loaded - 1,700 lbs
Max Speed: 80 mph
Cruise Speed: 65 mph
Range: 120 miles
Service Ceiling: 13,700 feet
Fuel Capacity: gallons
Powerplant: Turboméca Palouste IV Turbine Engine
First Flight : 1947
Cost: $

The SO1221 Djinn Helicopter is unique as it used bleed air from the gas turbine engine routed through the rotor blades to exit out the tips to spin the blades, eliminating the need for a tail rotor.

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