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David Mylchreest's Recent Activity

  1. David Mylchreest liked 21B's post in the thread GWR four-cylinder arrangement?.

    The only truly superfluous thing about this thread is this thread. A two cylinder high speed steam engine would never have been permitted by the civil engineers, even assuming any mechanical department were convinced of there being advantages....

    Jul 16, 2026 at 9:48 AM

  2. David Mylchreest replied to the thread North Dorset Railway - Shillingstone.

    Thank you for that, I didn't see that when I visited last year. There was a signpost to the railway through an industrial estate where there were warning about visitors parking in the estate. But there didn't seem to be anywhere else to park, so...

    Jul 13, 2026 at 8:26 PM

  3. David Mylchreest replied to the thread North Dorset Railway - Shillingstone.

    Can anyone advise where to park a car at Shillingstone, please

    Jul 13, 2026 at 1:30 PM

  4. David Mylchreest liked LMS2968's post in the thread GWR four-cylinder arrangement?.

    What's wrong with it is that it suggests, even if it doesn't state, that whereas a steam engine struggles against gradients a diesel will fly up it with ease, which isn't the case. The power output of any internal combustion engine varies with...

    Jul 13, 2026 at 10:12 AM

  5. David Mylchreest replied to the thread GWR four-cylinder arrangement?.

    I think you would have to go to oil firing, but that would have financial issues for France in the forties. On the other hand just double head!

    Jul 10, 2026
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