Here is one of my four Jet skateboards. This is the “Bronco Bob” Jet board  with a single Maddoxjets 60 pound thrust, fuel injected on gasoline and will run about a minute and a half on the tank.

Bronco Bob skateboard
Bronco Bob skateboard
Bronco Bob jet skateboard
Bronco Bob jet skateboard
Bronco Bob pulsejet skateboard
Bronco Bob pulsejet skateboard

As you may know, I build Valved pulsejet engines , but I have taken up  valveless  engines.

My engines run on injected gasoline not propane which makes them a lot safer and you don’t have

to carry around a huge propane bottle. 3/20/1016valveless pulsejet IMG_0608