Comment by CastIron888

Oh, I see.

I was responding to the more general statement:

>You do not want the stressed members of any structure being a salient contributor to its power-train. Not related, see mammalian, reptile, fish, and insect physiologies.

A steam traction engine is certainly at a different level to an F1 car, in both performance and engineering.

On the other hand, I think adding dynamic load to a steam boiler is riskier than doing so to an internal combustion engine.