Friday, November 12, 2021

Because It's Friday

UP 4014 accelerating:



Remember, a Big Boy has eight beats per wheel revolution.

3 comments:

  1. Why does it periodically seem to dump water out behind the 3rd wheel of the front drivers?

    ReplyDelete
  2. Why does the color of the exhaust smoke change from near invisible to near black?

    ReplyDelete
  3. It probably has something to do with the mixture.

    ReplyDelete

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