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Re: Curve Geometry Engineering
Author: s
Date: 12-25-2006 - 10:14

In both cases it appeared to be the trailing truck on the SP&S700 (4-8-4) and the wheels dropped off the low (inside) rail of the curve. This years derailment appeared to be spread gage; last years spread gage may have contributed but a torch cut bolt hole and cracked angle bar put the wheels on the ground.

Track consists of 9020 rail, 10 x 10 single-shoulder and 10 x 14 re-punched 136# tie plates,
7 x 9 x 8'-6" ties @ nominal 22" centers with 4 5/8 x 6 spikes per tie. Ballast is 1 1/2 - 3/4" crushed rock.

No grease has been applied to the outside rail in the past and I surely don't want to point any fingers at the locomotive at this point.

Thanks for the help!

Shortline Sammie

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Subject Written By Date/Time (PST)
  Curve Geometry Engineering Shortline Sammie 12-24-2006 - 18:09
  Re: Curve Geometry Engineering hardly boring Frank 12-24-2006 - 19:39
  Re: Curve Geometry Engineering hardly boring L W Baxter 12-25-2006 - 01:28
  Re: Curve Geometry Engineering hardly boring Alf Doten 12-25-2006 - 09:26
  Re: Curve Geometry Engineering JEM 12-25-2006 - 09:43
  Re: Curve Geometry Engineering s 12-25-2006 - 10:14
  Re: Curve Geometry Engineering JEM 12-25-2006 - 17:01
  Re: Curve Geometry Engineering Hepkema 12-25-2006 - 15:25
  Re: Curve Geometry Engineering Jon Holladay 12-26-2006 - 12:09
  Re: Curve Geometry Engineering Hepkema 12-26-2006 - 12:25
  Re: Curve Geometry Engineering Elwin 05-16-2007 - 00:11
  Re: Curve Geometry Engineering Colin Johnson 12-26-2006 - 18:37
  Re: Curve Geometry Engineering Colin Johnson 12-27-2006 - 18:28
  Re: Curve Geometry Engineering dave buccolo 12-28-2006 - 18:07
  Re: Curve Geometry Engineering Jim700 01-08-2007 - 03:12
  Re: Curve Geometry Engineering Shortline Sammie 01-09-2007 - 20:36


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