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Posted: Sun Sep 16, 2012 7:30 am
by sagthegreat
^ That is really smart, my drill isnt fast enough to work as a legit lathe, i have to hold the tool for like a minute to make a cut. but it works lol

Posted: Sun Sep 16, 2012 7:55 am
by inonickname
sagthegreat wrote:^ That is really smart, my drill isnt fast enough to work as a legit lathe, i have to hold the tool for like a minute to make a cut. but it works lol
Not using a tool, just emery cloth to true and round all the disks. It's not perfect but it's close enough

Posted: Sun Sep 16, 2012 3:56 pm
by i-will
try 2 or more popoffs connecting the pistons to a crankshaft. its simple, pneumatic, powerful, and constant flow. worked for me. airhog planes use a single piston version.

Posted: Fri Nov 16, 2012 11:38 pm
by stuffbuilder
Get an old vacuum cleaner and take the turbine out of that. Chances are the turbine it attached right outside the motor, so just use wire cutters and a hacksaw to chew away all the winding on the shaft. I did this with a shop vac once and got a halfway decent turbine out of it. You can even keep the motor bearings and housing so you can mount it easily. Add a simple wooden shroud to the turbine and you're done. I got mine to get going pretty fast while spraying air into it with a blowgun. You would definitely have to gear it down to get any useful torque though.