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huochemi's Recent Activity

  1. huochemi replied to the thread BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread.

    Data sheets on managanese steel are readily available online e.g. https://ajmarshall.com/wp-content/uploads/2017/07/12-14-Manganese.pdf and make reference to work hardening and the low coefficient of friction. I guess if you grind it in...

    Apr 23, 2024 at 2:59 PM

  2. huochemi replied to the thread BR Standard class 6 No. 72010 'Hengist' and Clan Discussion Thread.

    Thank you Ian. It is somewhat ironic that more recent technology does not employ horns at all, even on powered axles. The De Glehn bogie with inverted leaf springs seems to be particularly kind on the axleboxes as no load is transmitted through...

    Apr 17, 2024
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