Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Quote from: Steam Technology on October 22, 2020, 12:11:24 am

https://www.officeofsteamforum.com/general-discussion-scale-model-gas-engines-hit-miss-throttle-governed-non-compression-etc/new-m91-running-in-its-new-stand/msg28557/#msg28557

I'm just wondering if Adriondac Jack's design for the base would work on the horizontal engines? It seems to me that the forces which make those engines jump around would be at 90 degrees to the forces in the vertical engine. I don't have a good enough grasp of the engineering issues to be sure that neat design for the verticals, would perform the same way in the horizontal ones.

Something certainly needs doing though; when mine was operating it was all over the bench. As a stop gap and a quick and dirty fix, putting the engine on top of a folded towel did make it move a lot less. I need a proper solution for mine though.

Not so at all. The only difference is the non moving and reciprocating mass will be parallel with the ground instead of vertical and this has little to do with the forces that make it jump around. It is the torque from the power stroke accelerating the flywheels that makes it jump about. These forces are identical on vertical and horizontal configurations. Bottom line is any of these engines will benefit mightily from a longer and heavier base (preferably with a non skid rubber bottom).

Gil