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You are here: Home arrow Knowledge Base arrow Choppers arrow Sikorsky S-51 Manual
Sikorsky S-51 Manual E-mail
Written by Anton Dyason - IPMS SA Media Group   
Wednesday, 07 February 2007
 

PRINCIPAL DIMENSIONS:

Helicopter in level flight position. 

GENERAL.

 

Main rotor disk diameter

48 ft

Tail rotor disk diameter

8 ft, 5 in.

    Width (over-all)

 

    Maximum (with rotor stationary)

41 ft, 6% in.

    Minimum (with rotor stationary)

36 ft

    Minimum (with main rotor blades folded back or removed from centre of tread to centre of tread)

12 ft

 

    Length (over-all) Maximum (both rotors at extreme position)

57 ft, 1/2 in.

 

    Minimum (both rotors at minimum positions)

42 ft, 11 1/4 in.

 

    Minimum (main rotor at minimum position; tail rotor at extreme position)

45 ft, 1/2 in.

 

    Minimum (main rotor at extreme position; tail rotor at minimum position)

54 ft, 11 1/4 in.

    Minimum (main and tail rotor blades removed)

41 ft, 1 ¾ in.

    Height (over-all) Maximum

12 ft, 11 1/2 in.

MAIN ROTOR BLADES.

 

    Airfoil section

NACA 0012

    Total blade area (three blades)

115.05 sq ft

    Area per blade

38.35 sq ft

    Area of rotation (rotor disk area)

1809.56 sq ft

    Blade radius

24 ft

    Chord at root

0.2 ft

    Chord at tip

12.7 in.

TAIL ROTOR BLADES.

 

    Airfoil section

NACA 0012

    Total blade area (three blades)

6.69 sq ft

    Area per blade

2.23 sq ft

    Area of rotation (rotor disk area)

55.7 sq ft

    Blade radius

4 ft, 2 1/2 in.

    Chord at root

1 ft

    Chord at tip

4 in.

FUSELAGE (WITHOUT MAIN AND TAIL ROTOR BLADES).

 

    Maximum width (without undercarriage gear)

5 ft, 2 in.

    Maximum length

41 ft, 1 ¾ in.

    Maximum height (without undercarriage gear)

8 ft, 1 in.

    Height of door level above ground (static)

3 ft, 1/2 in.

Door dimensions

 

    Width

2 ft

    Height

3 ft, 1/2 in.

    Total cubic feet and capacity of stowage space available for baggage, cargo, etc.

4.7 cu ft (145 lb)

 


Last Updated ( Sunday, 25 February 2007 )
 
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