Not sure what i'd do with any of these miniture engines,but i sure want a couple of them

[Wild one]

The guy is talented that's for sure,as his Tig welding on the intake manifold on the boosted version is amazing

Worlds Smallest Rotary Engine (30,000 RPM)

I Run the Smallest Rotary Wankel Engine in the World to see if it actually starts and runs then I try and hit the engine's Maximum Rpm, Engine is a Toyan RS-...

www.youtube.com

World's Smallest V8 Engine Hits 10,500 RPM on Nitro (1.7 Cu In 28cc)

The Run the Smallest V8 RC Engine in the World in at 28cc's and try to hit the maximum rpm.I first set up the Mini V8 engine, then I open it up to show every...

www.youtube.com

Twin Supercharged 4 Cylinder Nitro RC Engine

I build a twin compound supercharger system for the mini 4 cylinder nitro RC engine.I've seen people on YouTube recently trying to make boost with these mini...

www.youtube.com

This one where he mounts 3 jet engines to his Tesla is wicked,lol

Jet Powered Tesla

I Mount 3 jet engines to my Tesla Model S to make the world's first Tesla with Jet Thrusters, I call it the Jet-Powered Tesla as I do in fact drive it under ...

www.youtube.com

 

[BadHemi2014]

That was the most fun I've had on YouTube in a long while! I got a B in an introductory welding class lol I can't imagine trying to do what he did. Thanks for sharing brother!

That text to shop app is a brilliant idea too

 

[18CrewDually]

Coming home from our camping trip Easter week we stopped at a hobby shop called Hobby Stop on Route 13 in DE. He had a dozen or so of small engines, mostly made of brass. He had combustion engines that ran on lantern fuel and some steam engines for RC boats. They were "affordable" in my opinion for the amount of craftsmanship. A few hundred bucks that I expected to be prices over a thousand.
Dam near bought one but I spent enough that week!

 

[Wild one]

About 40 years ago i was good friends with an old machinist (rip) and over the course of several years he'd made a completely functional steam powered locomotive engine and corresponding coal car. It was about 4 ft long all told with the coal car,and he had it in his office,and he'd always fire it up for me when i visited his shop.It took him about 10 years to machine every part to make it a functional steam locomotive working at it on and off over that time frame. After he passed the family sold everything,but i never did hear where his steam locomotive ended up at. I still miss visiting with that old chap.

 

[GTyankee]

Back around 1973 a guy that i worked with had a small ranch & he had 2 hobbies, breaking & riding horses & playing with Wankel engines.
He drove around a mid size station wagon, it may have been an Oldsmobile.
It zipped right along, he had 2 or more Wankel engines in Series. He could talk for hours on how to rebuild rotary engines.

 

[Wahrsuul]

These guys make lots of miniature engines:

https://www.stirlingkit.com/