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pmh_74's Recent Activity

  1. pmh_74 replied to the thread Rotting away?.

    In Prague there is a museum dedicated to the famous Czech inventor Jara Cimrman; one of the exhibits is (or certainly was 20 years ago) some sort of rail quad-cycle or pump trolley which he was said to use to visit rural crossing keepers in their...

    Nov 22, 2017 at 9:57 PM
  2. pmh_74 liked martin1656's post in the thread Rotting away?.

    Has anyone yet linked the subject of teeth to the thread title yet ,

    Nov 22, 2017 at 9:52 PM
  3. pmh_74 liked Hurricane's post in the thread Wheel Drops.

    In the world of structural engineering an oak beam has better fire strength than the equivalent steel beam.

    Nov 22, 2017 at 9:44 PM
  4. pmh_74 liked Jamessquared's post in the thread Rotting away?.

    I think you'd be better off with a narrow boat for that kind of treatment ... Tom

    Nov 22, 2017 at 3:58 PM
  5. pmh_74 replied to the thread Wheel Drops.

    GCR has the rusting remains of a wheel drop somewhere. They sat in Loughborough yard for years, then more recently were loaded onto a well wagon but have since been unloaded from it, I'm unsure where the bits are now. I'm not sure if it's...

    Nov 22, 2017 at 3:50 PM
  6. pmh_74 replied to the thread Wheel Drops.

    [off topic]And yet still people insist "they" will never allow a new wooden underframe for a vintage carriage body. [/off topic]

    Nov 22, 2017 at 3:48 PM
  7. pmh_74 liked RLinkinS's post in the thread Wheel Drops.

    We used to prop 75 ton steam turbine cyliners up on oak blocks. The blocks did not even creak. In my 1942 edition of the Machinery's Handbook it has permissible working stresses for various timbers. For oak in compression it is 900 psi for...

    Nov 22, 2017 at 3:47 PM
  8. pmh_74 replied to the thread Great Central Railway after the link up.

    Those houses were built sometime in-between 1987 (when I started doing a paper round that went past them) and about 1992 (when I went to uni) as they were built during the time I did that paper round. As the GCRN project got underway in 1990 I...

    Nov 22, 2017 at 2:09 PM
  9. pmh_74 replied to the thread Great Central Railway after the link up.

    This has been done (ad infinitum) in other threads. There is plenty of scope in the regulations for exceptions. Which is not to say that the GCR is seeking any, or that if they did they would be granted, but nobody can say what the future may hold.

    Nov 17, 2017
  10. pmh_74 liked Drop_Shunt's post in the thread Great Central Railway after the link up.

    Rather presumptious of you to imagine that you understand the motivations and desires of several hundred individuals. For myself, I don’t give a fig for the main line connection. The opportunity to assist in restoring and operating a further...

    Nov 17, 2017