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

Daniel I think you missed the comment I made above in a post -

"And that new system the Chinese are using to fix the flywheels on is just a brilliant solution I hope it filters down to all engines petrol and steam
coming out of China"

I'm not sure if you've ever had the frustrating and utter displeasure of trying to take a stripped grub screw out of one of these Chinese Hit & Miss engine flywheels,
so yep.....I hope this new method of fitting flywheels filters down to all the Chinese fabricators.

And these earlier H&M engines are greatly known for 'free spinning' flywheels.

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