Balloon Powered Turbine
by petropixel, published
UPDATE: I actually bought new balloons! 12" "helium-quality" party balloons. They spin the turbine, but they have larger necks so you have to hold the balloon in place and there is some leakage. I'm working on a version 2 with a larger inlet, as well as a larger diameter output shaft.
UPDATE 2: Version 2 is here, and you can see it work! youtu.be/8Q6svYMZowU
It only runs for about 3 seconds, I'm assuming that's because I opened the inlet up? Maybe because I don't want to pop a balloon this late at night again. Sounds cool, though.
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what i am going to use it for is a turbo drive for my traxxas revo 3.3 puttign a tub on the existing hole and puttign it on my rc's exhaust drilling hole next to the other to make it an exit for air to go into the rc's air intake to the engine
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Run a drill bit (13/64 in or 5.18 mm) by hand through the hole in the housing, then slide the pin through the rotor, fit it into the housing and clip the pin on the other side. The clip down't seem to stay put, but I haven't has it come off and send the rotor flying either. Glue it in place if it bothers you.
If you've downloaded version 2, you might not have a drill bit big enough (it'd have to be a bit over 10mm), so clean up the hole and the pin with sandpaper instead. The clip seems to fit better.
If you want to be really cool, you *could* design some sort of machine or vehicle around this. It's already got peg sockets to snap it in, you'd just need do design a new pin that works as an output shaft.
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