Reverse it for a vacuum pump?

I built a vacuum engine out of Legos a while back, not quite as impressive as this, but with an oil pump and proper circulation of oil, it actually lasted over a hundred hours of runtime before the cylinders got too sloppy for the pistons to stay straight inside it. I'm very impressed with this though, you should absolutely make more engines. Make bigger engine. Water cooling. I want to see you build a car from scratch. It's always been my dream to do just that.

Got self-same from Vevor this past Jan. for 449.95! Is constant work in progress.

if you want to hand start, then rotate the flywheel backwards until it gets stiff (compression stroke) then spin it forward as fast as you can and hope it pushes through the next compression stroke with the momentum you gave it

I also made nearly the same hammer in 10th grade as well!

Make it air cooled with a pc fan

Naw it’s the cyber ring

All that ppe just to not wear gloves lol

wow galvanoised steeel

Make a long time test, maybe add cool fins to the block and show us

To much time on your hands😭

Pistons are not round bruh, there tapered in length due to crown expansion, and oval due to gudgeon pin expansion. Fact

Add a turbo!!!

Make a two cylinder engine

Have you considered flying spot scanning?

Who watching in 2024😊

Diesel engine.mp3 9:43

3d printed working harley engine

dude for small lathes speed stell are way better

Despite putting oil in the gasoline, suprisingly very little smoke from the engine.