Hirn's Recent Activity
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Hirn liked 60044's post in the thread Lynton and Barnstaple - Operations and Development.
The L&B undoubtedly needs to win support from locals and to some extent that support will come in part by creating the year-round jobs as well as the seasonal ones. The argument about authenticity is a different, but I think we can all agree...
Aug 12, 2026 at 8:50 PM -
Hirn liked Hermod's post in the thread 34039 Boscastle WC class.
SNCF did experiments on some american made 1-4-1Rs with thermic syphons and made the same conclusion that they were not really worth the bother. The heat extracted in the syphons are not available for the tubes and superheaters , that are miles...
Aug 12, 2026 at 6:07 PM -
Hirn liked Jamessquared's post in the thread 34039 Boscastle WC class.
I might be wrong, but I understood that one of the main reasons for originally selecting steel on the Bulleid Pacifics was the 280psi design pressure, which was beyond the limits for a copper firebox. Use of steel also allowed greater use of...
Aug 12, 2026 at 5:36 PM -
Hirn liked Romsey's post in the thread Brighton Belle update.
Has anyone else noticed the steps on the outer motor bogies line up with the brakevan doors? I suspect the original cab doors have been sealed as there there doesn't appear to be any door handles, just a stainless steel grab handle for...
Aug 11, 2026 -
Hirn liked johnofwessex's post in the thread GWR four-cylinder arrangement?.
Dont forget the GNR(I) Loco's https://www.steamtrainsireland.com/rpsi-collection/5/no85-merlin
Aug 11, 2026 -
Hirn 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...
Aug 11, 2026
