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  Re: Stupid question about steam engines
 
(...) It doesn't matter! It is FOA which matters, if you have 100 powered wheels or 2 powered wheels, if you have the same weight above them, you can deliver the same torque to the track to start the train. (FOA=Factor Of Adhesion, Tractive (...) (25 years ago, 5-Apr-00, to lugnet.trains)
 
  Re: Stupid question about steam engines
 
(...) I wasn't referring to power so much as overall weight bearing down upon the rails themselves. So if you had rails on a soft bed, you couldn't utilize engines whose weight wasn't distributed over X amount of drivers/and or unpowered wheels; it (...) (25 years ago, 5-Apr-00, to lugnet.trains)
 
  Re: Stupid question about steam engines
 
(...) rails (...) wheels; (...) things? (...) for (...) Picking up on what James has written, the uneven power pulses of a traditional steam engine hammer the track - this eventually pushes the rails apart/sinks them. It's quite amazing to witness (...) (25 years ago, 5-Apr-00, to lugnet.trains)

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