My new toy. It shots nerf darts and everything attached to a dart. The Problem with the "uncompressable" venturi mix is solved by some valves. . The first valve is a one way valve operatet by gravity. from there the mix goes in the Chamber. it is coaxial in the T-Piece. there is a 1/2 inch steeltube...

#meetoo (^^)

IMG_20200414_151303.jpg I ever had the problem, to get the mostly perfect mixture of a Butane Torch inside the combustion chamber with a loaded and seled Barrel, and sealing the way back after ignition WITHOUT using electronics. So, its very simple: You need 2 valves in this simple system and a lit...

IMG_20200412_144212.jpg We all know, how tricky it is to get the perfect air-gas mixture out of a propane torch inside a System with a loaded (sealed) barrel and ignite it. I made a video, but can't upload it. But... It was so simple ! You can use every Propane Torch for your mixture. And it ignite...

[youtube][/youtube]

This little Bastard is very loud in reality. It single shoots a marshmallow Salute. A funtoy for barbecues.
The most important part is the pingpongball valve, which lets air in each cycle.
The marshmallows get fast-roasted^^