Re: Thought exercise - steam VFT

[dbromage@fang.omni.com.au (David Bromage)]

David Bennetts (davibenn@pcug.org.au) wrote:
> A steam locomotive with cylinders has been found to be limited to 126.5
> miles per hour (Mallard, LNER) - even then damage was done to the bearings.

That's a factor of the number of wheel revolutions per second. Remember
the later 9F 2-10-0 was capable of 90mph, which equated to about 4
revolutions per second.

> Possibly you could make the driving wheels a little larger, but that would
> introduce new problems.

That's part of it. Think about GWR's Hurricane.

Cheers
David