Sheff's Recent Activity
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Sheff liked flying scotsman123's post in the thread North Yorkshire Moors Railway General Discussion.
Just had to check which thread, indeed which forum, I was on reading that! [emoji15] Sent from my PGT-N19 using Tapatalk
Jul 26, 2026 at 8:32 PM -
Sheff liked Steve's post in the thread North Yorkshire Moors Railway General Discussion.
There are lots of riveted steel fireboxes out there but there are a growing number of welded steel fireboxes. The problem with a riveted box is it requires lap joints and that is a weak spot compared with a welded box because there is a greater...
Jul 26, 2026 at 9:34 AM -
Sheff replied to the thread North Yorkshire Moors Railway General Discussion.
So you wouldn’t want to oil fire them ?
Jul 26, 2026 at 7:09 AM -
Sheff liked std tank's post in the thread North Yorkshire Moors Railway General Discussion.
Stanier Class 5s 44718 to 44727 had riveted steel inner fireboxes.
Jul 26, 2026 at 7:08 AM -
Sheff replied to the thread North Yorkshire Moors Railway General Discussion.
I stand corrected then. I’m only acquainted with WCs, S160s and Tornado.
Jul 25, 2026 at 5:57 PM -
Sheff replied to the thread North Yorkshire Moors Railway General Discussion.
…. for completeness, cf a steel box which being all welded doesn’t have laps.
Jul 25, 2026 at 4:47 PM -
Sheff liked torgormaig's post in the thread North Yorkshire Moors Railway General Discussion.
I dont think it does either. There is an interesting website about the current restoration of Alaskan Railways N0. 557, an oil burning S160. It included a video of the laying of fire bricks in the firebox which is clearly without a combustion...
Jul 25, 2026 at 4:44 PM
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Sheff liked Steve's post in the thread North Yorkshire Moors Railway General Discussion.
That's an interesting question and I don't know the answer. Looking at photos, I don't think it does but that's only a guess.
Jul 25, 2026 at 4:44 PM -
Sheff liked Steve's post in the thread North Yorkshire Moors Railway General Discussion.
I believe the prime area for degradation in copper boxes are the lap joints where the amount of copper is much thicker than the rest of the box. Although copper is a good conductor, the temperature gradient is fairly constant, thus causing the...
Jul 25, 2026 at 4:43 PM -
Sheff liked Trevor Beglin's post in the thread North Yorkshire Moors Railway General Discussion.
Sorry to be that person but might be worth creating a new thread for oil burning as the threads deviated a little
Jul 25, 2026 at 4:43 PM -
Sheff liked TonyW's post in the thread North Yorkshire Moors Railway General Discussion.
I did: *** Copper fireboxes are actually suitable for oil firing and have been used successfully with liquid fuels, meaning the premise that they cannot be used is incorrect. Operational Factors Flame Impingement: Direct contact between a raw,...
Jul 25, 2026 at 11:59 AM -
Sheff liked Kylchap's post in the thread P2 Locomotive Company and related matters.
IIRC the A1Trust carry out final assembly of mating components with a film of wet paint between the two, which is supposed to give protection which is superior to assembly with either bare metal faces or faces previously painted where the paint...
Jul 24, 2026 at 10:35 PM -
Sheff replied to the thread P2 Locomotive Company and related matters.
Monobloc finally installed today https://mailchi.mp/a1steam/monoblocfitted?e=412f4848b6
Jul 24, 2026 at 8:12 PM -
Sheff replied to the thread North Yorkshire Moors Railway General Discussion.
You can ask Google AI why and you’ll get some plausible answers, some maybe not so much ….
Jul 24, 2026 at 5:22 PM
