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hesham 1 219
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No New Posts Joseph J. Leray rotorcraft patents
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=hothorizon= 2 916
No New Posts Arthur Erritt Holbrook Aeroplane helicopter, 1910
Stingray 0 156
No New Posts slender type unmanned vehicle with embedded rotors
Leela25 0 246
No New Posts Daniel Carter water helicopter
Leela25 0 162
No New Posts Stanley George Austin patents
Leela25 4 251
No New Posts Kaidou Ikeda alternative shrouded rotor
Leela25 0 190
No New Posts Masayoshi Tsunekawa/IHI corp. VTOL aircraft
Leela25 0 169
No New Posts Katsumasa Sugiyama/Mitsubishi Heavy Industries helicopter w/ducted rotor
Leela25 0 162
No New Posts Safran Helicopter equipped with a device for emergency lift assistance
Leela25 0 176
No New Posts Katsumasa Sugiyama/Mitsubishi Heavy Industries helicopter w/ crash prevention rockets
Leela25 0 168
No New Posts Anthony Sbrilli air jet propelled helicopter
Stingray 0 184
No New Posts Nicolas J. Medvedeff convertiplane and related patents
Stingray 1 2009
No New Posts Joseph S. Pecker Aircraft Having Sustaining Rotors
Stingray 0 1124
No New Posts S. D. Robins combination airplane helicopter
Stingray 3 1953
No New Posts Durov Dmitry twin-boom tri tilt-rotor
Stingray 0 1214
No New Posts Carter Allen Tall V/STOL aircraft
Leela25 2 1142
No New Posts Variable chord morphing helicopter rotor
Leela25 0 1139
No New Posts Gyrodyne patents
Stingray 14 3118
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=hothorizon= 3 3389
No New Posts Zimmerman Helicopter flying apparatus
Stingray 3 1953
No New Posts Alberto Alvarez Calderon F. 3-rotor twin-boom VTOL aircraft
Stingray 0 1886
No New Posts Haviland Hull Platt's VTOL patents
Stingray 2 2773
No New Posts Douglas Model-828/A?
Stingray 0 1813
No New Posts Sikorsky helicopter-boat
Stingray 0 1862
No New Posts Weir Patents
Ross 0 1679
No New Posts Flying trucks from Handley-Page & Westland.
Ross 0 1860
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