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Cost benefit analysis of a 9-centistoke lubricant for helicopter transmissions [microform] : under contract NAS2-14118 / Thomas A. Cook and Michelle A. Consolini (NASA contractor report ; 204144) (Army Research Laboratory contractor report ; ARL-CR-340)

Cost benefit analysis of a 9-centistoke lubricant for helicopter transmissions [microform] : under contract NAS2-14118 / Thomas A. Cook and Michelle A. Consolini (NASA contractor report ; 204144) (Army Research Laboratory contractor report ; ARL-CR-340)
Microform図書
1997<YCA-NAS 1.26:204144>
National Diet Library
  • Subject HeadingLubricating oils Life cycle costs Cost analysis Helicopter propeller drive Helicopters

Meshing of a spiral bevel gearset with 3D finite element analysis [microform] / George D. Bibel and Robert Handschuh (NASA technical memorandum ; 107336) (Army research laboratory technical report ; ARL-TR-1224)

Meshing of a spiral bevel gearset with 3D finite element analysis [microform] / George D. Bibel and Robert Handschuh (NASA technical memorandum ; 107336) (Army research laboratory technical report ; ARL-TR-1224)
Microform図書
1996<YCA-NAS 1.15:107336>
National Diet Library
  • Subject HeadingGears Finite element method Stress analysis Helicopter propeller drive

Evaluation of navy 9 cst oil in Bell helicopter M412 HP gearboxes [microform] / Zachary S. Henry and William R. Stapper ([NASA contractor report] ; NASA/CR-1998-208517)

Evaluation of navy 9 cst oil in Bell helicopter M412 HP gearboxes [microform] / Zachary S. Henry and William R. Stapper ([NASA contractor report] ; NASA/CR-1998-208517)
Microform図書
1998<YCA-NAS 1.26:208517>
National Diet Library
  • Subject Heading...ts Helicopters Helicopter propeller drive

Advanced Rotorcraft Transmission Program (A.R.T.) [microform] : final report / Joseph W. Lenski, Jr (NASA contractor report ; 195461) (Army Research Laboratory contractor report ; ARL-CR-224)

Advanced Rotorcraft Transmission Program (A.R.T.) [microform] : final report / Joseph W. Lenski, Jr (NASA contractor report ; 195461) (Army Research Laboratory contractor report ; ARL-CR-224)
Microform図書
1995<YCA-NAS 1.26:195461>
National Diet Library
  • Subject HeadingAircraft design Helicopter propeller drive High gain Operating costs Rol...

Experimental evaluation of face gears for aerospace drive system applications [microform] / Robert F. Handschuh ... [et al.] (NASA technical memorandum ; 107227) (Army research laboratory technical report ; ARL-TR-1109)

Experimental evaluation of face gears for aerospace drive system applications [microform] / Robert F. Handschuh ... [et al.] (NASA technical memorandum ; 107227) (Army research laboratory technical report ; ARL-TR-1109)
Microform図書
1996<YCA-NAS 1.15:107227>
National Diet Library
  • Subject Heading...es (Materials) Helicopter propeller drive Rotary wings Wear

Face-gear drives [microform] : design, analysis, and testing for helicopter transmission applications / F.L. Litvin ... [et al.] (NASA technical memorandum ; 106101) (AVSCOM technical report ; 92-C-009)

Face-gear drives [microform] : design, analysis, and testing for helicopter transmission applications / F.L. Litvin ... [et al.] (NASA technical memorandum ; 106101) (AVSCOM technical report ; 92-C-009)
Microform図書
1992<YCA-NAS 1.15:106101>
National Diet Library
  • Subject HeadingGear teeth Helicopter design Helicopter propeller drive Structural analysis Transmiss...

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