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11 Cards in this Set
- Front
- Back
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Describe the Main Rotor
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Semi-rigid
1) Articulation - Free to teeter & cone, rigid inplane 2) # of Blade - 2 3) Diameter - 25' 2" 4) Blade Chord - 7.2" constant 5) Blade Twist - (-8) degrees 6) Tip Speed at 100% RPM - 672 FPS |
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Describe the Tail Rotor
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1) Articulation - Free to teeter, rigid inplane
2) # of Blades: 2 3) Diameter: 3'4" 4) 4" constant 5) 0 Degrees 6) Precone Angle: 1 degree 11 minutes 7) Tip Speed @ 100% RPM: 599 FPS |
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What model and type of powerplant is in the R-22 Beta II
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1) O-360-J2A
2) Four cylinder, horizontally opposed, direct drive, air cooled, normally aspirated, carbureted |
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What is the displacement of the O-360-J2A
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361.0 Cubic Inches
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What is the normal rating of the O-360-J2A
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145 BHP (derated) @ 2700 RPM
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What is the Max. Continuous Rating in the R22
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124 BHP @ 2652 RPM
(104% on Tachometer) |
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What is the five minute takeoff rating for the R22 Beta & Beta II
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131 BHP @ 2652 RPM
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What type of cooling system is on the R22
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Direct drive squirrel-cage blower
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What is the rotor diameter of the R22
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302" or 25.17'
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What is the overall length of the R22
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345" or 28.75'
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What are the 3 types of Rotor Systems
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1. Fully articulated
2. Semi-ridged 3. Rigid |
