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Results Of Preliminary Studies of A Bearingless Helicopter Rotor Concept Regular Price: $30.00 Member price: $15.00
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Flight Investigation of Design Features of the S-67 Winged Helicopter Regular Price: $30.00 Member price: $15.00
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New Hubs for Multi-Bladed Tail Rotors Regular Price: $30.00 Member price: $15.00
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Design Considerations of Circulation Control Rotors Regular Price: $30.00 Member price: $15.00
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Design Requirements for a Quiet Helicopter Regular Price: $30.00 Member price: $15.00