XV-15 litho - NASA's History Office

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xviii Figure E-11 Ken Wernicke, Bell tilt rotor design engineer, 1965. Figure E-12 Ken Wernicke after flying the XV-15. Figure E-13 XV-15 N703NA crew station (1982). Figure E-14 Composite photograph showing V-22 Osprey in hover, conversion, and airplane modes of flight.
List of Acronyms AARL Army Aeronautical Research Laboratory AATD Army Aeronautical Test Directorate ADTA Aviation Development Test Activity AEFA Army Engineering and Flight Activity AFAPL Air Force Aero Propulsion Laboratory AFSRB Airworthiness and Flight Safety Review Board AGARD Advisory Group for Aerospace Research and Development, North Atlantic Treaty Organization AHS American Helicopter Society AIAA American Institute of Aeronautics and Astronautics AMRDL Army Air Mobility Research and Development Laboratory APA Airport Planners Association ARC Ames Research Center ASME American Society of Mechanical Engineers ASRO Advanced Systems Research Office ASW Anti-Submarine Warfare ATB Advanced Technology Blade ATM Air Traffic Management ATTT Advanced Tiltrotor Transport Technology BHTI Bell Helicopter Textron Inc. CAP Composite Aircraft Program CNO Chief of Naval Operations COD Carrier Onboard Delivery CPIF Cost Plus Incentive Fee CTR Civil Tilt Rotor CTRDAC Civil Tiltrotor Development Advisory Committee DCAA Defense Contract Audit Agency DFRC Dryden Flight Research Center DOD Department of Defense DOT Department of Transportation ECGB Engine Coupling Gearbox EMD Engineering Manufacturing Development EMI Electromagnetic Interference EUROFAR European Future Advanced Rotorcraft FAA Federal Aviation Administration FAI Federation Aeronautique Internationale FFS Force Feel System FSAA Flight Simulator for Advanced Aircraft FSD Full Scale Development GPS Global Positioning System HAI Helicopter Association International HUM Health and Usage Monitoring IAS Institute of Aeronautical Sciences IGE In-ground-effect IOC Initial Operating Capability IR&D Independent Research and Development xix
Page 1: The History of The XV-15 Tilt Rotor
Page 5: Contents Prologue . . . . . . . . .
Page 9: Dedication The story of the success
Page 13: Foreword The development of tilt ro
Page 17 and 18: List of Figures Figure 1 Leonardo d
Page 19 and 20: Figure 41 Simultaneous static test
Page 21: Figure A-2 Transcendental Model 2 t
Page 25: TRENDS Tilt Rotor Engineering Datab
Page 28 and 29: Figure 2. Illustration of vertical
Page 30 and 31: Figure 4. McDonnell XV-1 compound h
Page 32 and 33: Figure 7. Henry Berliner tiltpropel
Page 34 and 35: Top: Figure 9. The Baynes Heliplane
Page 36 and 37: Figure 13. Illustration from the Ha
Page 38 and 39: Figure 17. Bob Lichten, extreme lef
Page 40 and 41: Figure 20. Tiedown tests of the XV-
Page 42 and 43: 16 Research and Engineering), obtai
Page 44 and 45: 18 management continued to show int
Page 46 and 47: 20 Building the Technology Base Aer
Page 48 and 49: Figure 25. Bell 25-ft. diameter pro
Page 50 and 51: Figure 28. Performance tests of 5-f
Page 52 and 53: Figure 31. Bell 25-ft. diameter pro
Page 54 and 55: 28 Tilt Rotor Research Aircraft Pro
Page 56 and 57: 30 During the late 1960s and early
Page 58 and 59: 32 range of loading conditions and
Page 60 and 61: 34 The initial projected cost of $4
Page 62 and 63: Figure 35. Illustration of the Boei
Page 64 and 65: Figure 36. 1/5 scale XV-15 model in
Page 66 and 67: 40 under the contract. To accomplis
Page 68 and 69: 42 Aircraft Development The primary
Page 70 and 71: 44 Test stand angle box Test stand
Page 72 and 73:
Figure 40. Proprotor response to co
Page 74 and 75:
Figure 41. Simultaneous static test
Page 76 and 77:
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
Page 90 and 91:
Figure 49. Tiedown test facility at
Page 92 and 93:
66 Wheel height Top: Figure 51. Met
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68 Symmetric beam mode Antisymmetri
Page 96 and 97:
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
Page 144 and 145:
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
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140 Appendix C—Chronology 1452-15
Page 168 and 169:
142 1968 Boeing Vertol awarded cont
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144 November, Initial piloted simul
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146 24 March 1982 XV-15 demonstrate
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148 30 July 1987 FAA/NASA/DOD Tilt
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150 21 August 1990 V-22 reached 340
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152 14 June 1993 The Department of
Page 180 and 181:
154 Appendix D—Awards and Records
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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 216 and 217:
190 Moffett Airfield, Moffett Field
Page 219 and 220:
Monographs in Aerospace History Lau
Page 222:
National Aeronautics and Space Admi
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XV-15 litho - NASA's History Office

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