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oldmrheath's Recent Activity
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oldmrheath odgovara u temi North Yorkshire Moors Railway General Discussion.
I was looking at some reviews for another railway last night and the recent negative reviews were from people who had been expecting steam but got diesel. Yes the balance may be shifting but for many steam is still the expectation Jon
10. Srpanj 2026. u 06:30 -
oldmrheath odgovara u temi North Yorkshire Moors Railway General Discussion.
It's not just those walking away- it will be the disappointing experience for a number who do travel, including people with advance bookings, leading to people not returning, negative word-of-mouth or reviews etc Jon
9. Srpanj 2026. u 20:25 -
oldmrheath liked brennan's post in the thread North Yorkshire Moors Railway General Discussion.
Basic thermodynamics. Whilst heat transfer in the boiler is reasonably efficient the open steam cycle used in a locomotive is horribly inefficient. A diesel engine has an efficiency in the order of 30% to 40% then there are transmission losses....
9. Srpanj 2026. u 12:27
