Comments by "Jan Markerink" (@JanMarkerink-z8i) on "China Observer" channel.

  1. Wheels not balanced, its so simpel.
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  2. Wheels not balanced , thats all, so simpel.
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  3.  @DB-thats-me  TGV in France the wheels are balanced, saw a short movie about it, it is necessary above high speed level. On a lathe it should hold position in evers position.
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  4.  @DB-thats-me  I am not yoking, rail wheel balancing, f.i. precibalance. YT is your friend.
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  5.  @DB-thats-me  Thanks. To avoid sinusloop. the TGV has a flat wheel profile, not to 40, or 1 to 80 f.i. The surface of the rail should be flat, no gulfs. It must been and should be found.
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  6.  @DB-thats-me  Put a camera on the bogies, a high speed train can not run without shock absorbers and dampers.
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  7.  @DB-thats-me  Thanks for respons, it must be something, but what excactly.Here in Holland we had bad running trainers, mat 46 named,with jacobsbogies that caused the problems, two. Cariages endings mounted on one one bogie.
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