I hate to correct you*
but steam rollers actually wheel-slip massively especially when shown even the slightest incline. A traction engine on the other hand doesn't suffer from this problem as is inherent in its name.
*I don't hate to at all, it's actually quite fun
( ,
Sat 29 Aug 2009, 0:55,
archived)
*I don't hate to at all, it's actually quite fun