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

I'd guess that will prove to be a better pairing, once you get the boiler fired effectively.

Meanwhile, I don't think you want to be running two belts to your genny, off of different sized pulleys. The only way for that to work is for one or both of the belts to be slipping some!

Well one is slightly smaller.  I barely have to crack open the throttle and the thing spins insanely fast.  I didn’t put the governor on as those microcosm governors tend to leak steam and water which reduces efficiency if I’m having a firing issue.