190 Moffett Airfield, Moffett Field, Moffett Naval Air Station, 13n, 17n, 52, 97 Mohawk, 96 Monterey, California, 97 Montreal, Quebec, 102 Morton, Pennsylvania, 21 Mount Diablo, 52 Munechika, Ken, 100 National Advisory Committee for Aeronautics, NACA, 13n, 32 National Aeronautics and Space Administration, NASA, 17, 19, 20, 24, 28, 30, 31, 32, 37, 38, 42, 43, 50, 53, 55, 56, 59, 60, 63, 64, 74, 75, 77, 79, 81, 82, 85, 88, 90, 91, 94, 97, 104, 110, 111, 112, 113 National Rotorcraft Technology Center, NRTC, 102 National Transportation Safety Board, NTSB, 99 Naval Air Development Command, 38 Naval Air Systems Command, NAVAIR, 59, 60 Naval Air Test Center, 65, 91, 108 Naval Auxiliary Landing Field, Crows Landing, NALF, 70, 71, 75, 76, 81, 85 Naval Materiel Command, NAVMAT, 59n Navy, U.S., 60, 63, 66, 74, 76, 91, 93, 94, 95, 96, 104, 106, 108 Neal, G.T., 26n New Castle, Delaware, 8 New York Port Authority, 96 North American Aviation, 47 North Island Naval Air Station, 94 Nicks, Colby, 30, 76 Nikolsky, Alexander A., 12n Numerical Aerospace Simulation, NAS, 97 <strong>Office</strong> National d’Etudes et de Recherches, ONERA, France, 25 Paris Air Show, 88, 89, 92, 101, 109 Patuxent River, Maryland, 95, 96 Pentagon, 96,108 Petroleum Helicopters International, 97 Pickard, Jerry, 64 Platt, Haviland Hull, 6, 7, 10, 18 Platt-LePage Aircraft Company, 6, 8 Poisson-Quinton, P., 25 Prouty, R.W., 4 Pulse code modulation, PCM, 50, 51 Quantico Marine Corps Air Station, 96 Quiet Short-Haul Research Aircraft, QSRA, 52 Quinlan, Bill, 14 Reber, Ron, 95 Remote Multiplexer/Digitizer Units, RMDU’s, 51 Republic Aviation Corporation, 11 Richardson, David, 21 Roberts, Leonard, 28 Rockwell International, 47, 48, 49 Rotor and Wing International, 4, 91 Rotor systems research aircraft, RSRA, 31 Royal Aeronautical Society, 90 Rudning, Charles, 30 Sambell, Kenneth, 22n, 26n San Francisco, California, 13n San Joaquin Valley, 52 Schroers, Shorty, 38, 48, 69n, 71 Scully, Michael, 106 Seymour, E.R., 60 Shank, Suzanna, 75 Sharpe, Dave, 32 Short Haul Civil Tiltrotor, SHCT, 76, 112, 113, 114 Short Takeoff and Landing, STOL, 14, 60 Sikorsky Aircraft Corporation, 28, 30, 35, 91, 112 Simmons, Rickey C., 81 Simpson, R.D., 65n Skinner, Samuel, 110 Skyhawk, 96
Smyth, Henry, 30 Snyder, William, 29, 112 Spivey, Richard, 30 Stability and Control Augmentation System, SCAS, 27, 55, 74, 80, 124 Stansbury, Dick, 13, 29 Statler, Irving C., 31, 88 Steel Products Engineering Company, SPECO, 50 Stevens, Story, 92 Stoufflet, Mark, 76 Tampa, Florida, 97 Teledyne Controls Division, 50, 51 Texas, Hurst, 39 Thomason, Tommy H., 30 Tilt Rotor Engineering Database, TRENDS, 52 Tilt Rotor Research Aircraft, TRRA, 28, 29, 30, 32, 34, 37, 38, 39, 40, 42, 47, 49, 50, 51, 52, 59, 60, 63, 65, 67, 69, 70, 72, 73, 76, 77, 78, 81, 86, 87, 88, 89, 91, 92, 95, 97, 100, 101, 104, 105, 108, 109 Tischler, Mark B., 69 Transcendental Aircraft Corporation, 8, 10, 11, 12 Transonic Dynamics Tunnel, TDT, 20 Transportation, U.S. Department of, DOT, 111 Tucker, George, 81 Tulsa, Oklahoma, 48 Unger, George, 60 United States, U.S., 6, 90, 102, 105, 111 Unmanned Aerial Vehicle, UAV, 29, 108, 109 USS Tripoli, 94, 95 V-22 Osprey, 106, 108, 109, 110, 112, 113 Variable Diameter Tilt Rotor, VDTR, 113 Vertical Motion Simulator, VMS, 27, 74, 76, 112 Vertical or Short Takeoff and Landing, V/STOL, 1, 2, 14, 28, 31, 34, 37, 59 Vertical Takeoff and Landing, VTOL, 1, 3, 4, 5, 16, 17, 21, 26, 28, 31, 59, 60, 63, 103, 109 Ward, John, 60 Warren, Tom, 98 Waxahachi, Texas, 76 Weiberg, James, 19, 58, 72, 73 Wernicke, Ken, 30, 42, 48 Wheatly, John, 43 White, Clark, Jr., 31n, 60 Williams, Bob, 32 Wilson, Grady, 97 Wilson, Sam, 106 Work Breakdown Structure Elements, WBSE, 39, 40, 59 World Trade Center, 96 World War II, WWII, 6 Wright brothers, 1 Wright-Patterson Air Force Base, 17n, 26, 97 <strong>XV</strong>-1, 4 <strong>XV</strong>-2, 4 <strong>XV</strong>-3, 4, 5, 12, 13, 14, <strong>15</strong>, 16, 17, 18, 19, 20, 24, 28, 30, 32, 46, 70, 91, 103, 109, 119 <strong>XV</strong>-14B, 38 <strong>XV</strong>-<strong>15</strong>, 39, 42, 44, 45, 46, 48, 50, 51, 53, 55, 56, 57, 58, 59n, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 72, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 85, 86, 87, 88, 89, 90, 92, 93, 95, 96, 97, 99, 101, 102, 103, 104, 105, 106, 107, 108, 109, 112 Yaggy, Paul, xi, 31, 32 Yakima, Washington, 50 York, C.H., 11 Yuma, Arizona, 93, 94, 108 Zahedi, Ahmed, 69n Zuk, John, 110 Zumwalt, Elmo, 59n 191
- Page 1:
The History of The XV-15 Tilt Rotor
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Contents Prologue . . . . . . . . .
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Dedication The story of the success
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Foreword The development of tilt ro
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List of Figures Figure 1 Leonardo d
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Figure 41 Simultaneous static test
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Figure A-2 Transcendental Model 2 t
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List of Acronyms AARL Army Aeronaut
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TRENDS Tilt Rotor Engineering Datab
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Figure 2. Illustration of vertical
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Figure 4. McDonnell XV-1 compound h
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Figure 7. Henry Berliner tiltpropel
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Top: Figure 9. The Baynes Heliplane
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Figure 13. Illustration from the Ha
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Figure 17. Bob Lichten, extreme lef
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Figure 20. Tiedown tests of the XV-
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16 Research and Engineering), obtai
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18 management continued to show int
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20 Building the Technology Base Aer
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Figure 25. Bell 25-ft. diameter pro
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Figure 28. Performance tests of 5-f
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Figure 31. Bell 25-ft. diameter pro
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28 Tilt Rotor Research Aircraft Pro
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30 During the late 1960s and early
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32 range of loading conditions and
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34 The initial projected cost of $4
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Figure 35. Illustration of the Boei
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Figure 36. 1/5 scale XV-15 model in
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40 under the contract. To accomplis
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42 Aircraft Development The primary
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44 Test stand angle box Test stand
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Figure 40. Proprotor response to co
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Figure 41. Simultaneous static test
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50 helicopters. For the conversion
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52 Prior to the start of flight ope
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Figure 44. Initial Bell tiedown sho
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56 degrees 25 and a brief assessmen
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Figure 45. XV-15 in the Ames Resear
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60 NAVAIR managers as a means of de
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Figure 46. Government and Bell pers
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Figure 49. Tiedown test facility at
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66 Wheel height Top: Figure 51. Met
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68 Symmetric beam mode Antisymmetri
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Figure 55. XV-15 during short takeo
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Top: Figure 56. Flow visualization
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74 during “degraded” flight con
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Figure 59. Hover acoustics tests du
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78 Nose weight Top: Figure 61. Typi
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80 Following the completion of cont
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82 After the proprotors stopped, th
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84 sudden stoppage of the right eng
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86 A reconversion to the helicopter
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88 Paris Air Show By early 1981, th
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90 enroute from Farnborough to Fran
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Top: Figure 66. Senator Goldwater i
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Figure 69. Shipboard evaluations of
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Figure 71. XV-15 at the New York Po
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98 Crash (October 16 and 17, 1991).
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100 The End of an Era By the mid 19
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Top: Figure 73. XV-15 at the Dallas
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104 management system was very effe
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106 could make use of the same flig
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Figure 76. The Bell tilt rotor eagl
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110 demonstrations two years earlie
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112 Future Tilt Rotor Aircraft By t
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114 tiltrotor aircraft program. Thi
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116 Model 1-G Characteristics Power
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Figure A-3. Transcendental Model 2
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Figure A-4. XV-3 three-view drawing
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Figure A-5. XV-3 inboard drawing, s
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Nacelle angle (degrees) 124 120 90
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Figure A-8. General layout and majo
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Figure A-9. Side view inboard profi
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Figure A-11. XV-15 height-velocity
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132 Weight Design . . . . . . . . .
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134 WBS LEVEL: Bell Army/NASA I II
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136 US Army Air Mobility Research a
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138 Army/NASA (continued) Staff (19
- Page 166 and 167: 140 Appendix C—Chronology 1452-15
- Page 168 and 169: 142 1968 Boeing Vertol awarded cont
- Page 170 and 171: 144 November, Initial piloted simul
- Page 172 and 173: 146 24 March 1982 XV-15 demonstrate
- Page 174 and 175: 148 30 July 1987 FAA/NASA/DOD Tilt
- Page 176 and 177: 150 21 August 1990 V-22 reached 340
- Page 178 and 179: 152 14 June 1993 The Department of
- Page 180 and 181: 154 Appendix D—Awards and Records
- Page 182 and 183: Figure D-1. Jean Tinsley, first wom
- Page 184 and 185: Figure E-3. XV-15 flying by the Sta
- Page 186 and 187: Figure E-7. Bell test pilots Roy Ho
- Page 188 and 189: Figure E-11. Ken Wernicke, Bell til
- Page 190 and 191: 164 Appendix F—Bibliography Tilt
- Page 192 and 193: 166 Ball, J. C. “XV-15 Shipboard
- Page 194 and 195: 168 Churchill, G. B.; Dugan, D. C.
- Page 196 and 197: 170 Edenborough, H. K. “Investiga
- Page 198 and 199: 172 Harendra, P. B.; Joglekar, M. J
- Page 200 and 201: 174 Kvaternik, Raymond G. “Studie
- Page 202 and 203: 176 Magee, J. P.; Pruyn, R. “Pred
- Page 204 and 205: 178 Martin, Stanley, Jr.; Erb, Lee
- Page 206 and 207: 180 Rutledge, Charles K.; George, A
- Page 208 and 209: 182 Tischler, M. B.; Leung, J. G. M
- Page 210 and 211: 184 Whitaker, H. L.; Cheng, Yi. “
- Page 212 and 213: 186 Daniel C. Dugan Daniel Dugan gr
- Page 214 and 215: 188 Carnet, 88 Carpenter, Ron, 91 C
- Page 219 and 220: Monographs in Aerospace History Lau
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