TRUCK DESIGN OPTIMIZATION PROJECT FIELD TEST DATA, SERIES 3, TAPE TDOP 0077

The 2 data files on this magnetic tape include acceleration, force, and displacement measurements at critical points on a freight car and truck. Each file includes detailed alphanumeric descriptions of test conditions. The following are for all tests on this tape: Car-70 Ton M. Reefer* Truck-Barber S2C* Truck Center-45 Ft. 9 In.* Load-Full* Wheel Profile-New 1 in 20* Spring Group 7-D5O; 4-D5I* Snubbing-8-B432* Snubber Augmentation-None* Centerplate Friction-Steel-Moly* Additional Experimental Devices or Conditions-None* NOTE: Vertical adapter forces are subject to question. Those on sharper curves or empty cars at high speed are least accurate. Individual variations of the different tests are as follows: FILE 1: Name-030102TWA001* Track-Hi.Spd.Jtd.* Speed-30 to 79 in 10 mph steps* Outer Gib Clearance-5/8 In.* Side Bearings-1/4 In.Clear* Additional Experimental Conditions-Use MP 41.6 to MP 41.1 for 79 mph* Errors noted-ch. 6 was -2.74v off 0 ***FILE 2: Name-030102TEM001* Track-Hi.Spd.CWR* Speed-30 to 60 in 10 mph steps* Outer Gib Clearance-5/8 In.* Side Bearings-1/4 In.Clear.* Additional Experimental Conditions-None* Errors noted-ch. 14 -0.7v off 0; ch. 21 to .3v. off 0.

  • Supplemental Notes:
    • See also PB-250 231. Source tape is in ASCII and BINARY character set. Character set restricts preparation to 9 track one-half inch tape only. Identify recording mode by specifying density only. Call NTIS Computer Products, if you have questions.
  • Corporate Authors:

    Federal Railroad Administration

    1200 New Jersey Avenue, SE
    Washington, DC  USA  20590
  • Authors:
    • Bang, A J
  • Publication Date: 1975-5

Subject/Index Terms

Filing Info

  • Accession Number: 00133062
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: FRA/ORD/MT-76/91 Data file, FRA/DF-75/071
  • Files: NTIS, TRIS, USDOT
  • Created Date: Jul 8 1994 12:00AM