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Deerfield & Roundabout Railway Track & Wheel Data
(Scroll down for drawing notes. Revision 08-15-2011)
drtrk3 dwgB1 wmf

Additional notes for drawing DRTRK3 Figure B1 (Revision 08-15-2011)

  1. Wheel tread, flange throat radius and flange angle shall be produced using D&RRY 3/32 inch nose radius carbide insert tool.
  2. Flange radius shall be produced using D&RRY 3/32 inch flange radius form tool.
  3. Finished tolerances of flange throat radius and flange radius shall be governed by tolerances specified for cutting tools.
  4. A step in the flange radius shall not be permitted adjacent to the flange angle or adjacent to the back of the flange.
  5. Definition of flange angel from The American Public Transportation Association document APTA SS-M-015-06 Edited 1-16-07.

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