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Old 02-05-2017, 02:44 PM
scr4 scr4 is online now
Join Date: Aug 1999
Location: Alabama
Posts: 13,956
The GNR Stirling class with the 8 ft 1 in drive wheels was probably the most extreme example. I think the drive wheels became smaller after that, as technology advanced and they could build pistons/cylinders that could reciprocate at a higher rate.

Last edited by scr4; 02-05-2017 at 02:46 PM.