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How fast can Hornby Live Steam go?

4780 Views 4 Replies 5 Participants Last post by  34C
Model Mallard Speed Challenge

The OO Live Steam Club gets youngsters to 'have-a-go' at its Roadshows partly to show sceptical grey haired onlookers that they can be realistically and accurately controlled

BUT ALL THEY WANT TO DO IS GO FASTER!!!

So the Club decided to launch the Model Mallard Speed Challenge - a 6 month competition with lots of prizes already donated by partners and well-wishers. Hornby are donating an original Live Steam promo shirt.

The campaign launches at Doncaster Railway Station on July 3 next week (all day), the 80th anniversary of Mallard's record 126mph run.

Do you think Hornby's Live Steam Mallard can do a scale 126mph?

More information here:-

https://www.oolivesteam.com/copy-of-mallard...eed-challenge-1
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This is delightful. Thank you for posting this results sheet.

Best regards .............. Greyvoices (alias john)
Being a compusively data driven personality type I histogrammed all the speed numbers I could confidently read, and the distribution wasn't way off normal, arithmetic mean, median and mode all close to 140; which suggests that the timing data gathering and subsequent speed calculations were decently reliable. (There was a skew, with a tail to higher speed values: could be accounted for by well run in specimens that were that bit more free running, or little run specimens that were more steam tight; other hypotheses are available, we cannot validate without more information!)

If we assume that the distance run - on which the calculation had to be based - was accurate, then Hornby do appear to have pitched the mechanism about right for speed capability.

And quite seriously folks, I have seen business decisions in the many millions of dollars per annum range made on the basis of flakier data than this...
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