Joshua Ott's Blog – November 2012 Archive (2)

Boundary layer turbine (Tesla turbine) propulsion

One of the major weak spots with multi-rotors is the exposed propeller blades, they break and they hurt things.

I know people have designed guards and experimented with ducted fans, but has anyone done work with a boundary layer turbine arrangement? I've been kicking this idea around in the back of my head for some time now and just recently saw a ceiling fan…

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Added by Joshua Ott on November 15, 2012 at 10:30pm — 21 Comments

Low profile 2.5mm AV plug

Here are the last steps in constructing an AV plug that will fit inside the GoPro waterproof housing-

All the parts are cut down to leave room for the soldered connections, don't cut them too short or the plug will be weak and floppy. The plastic insulation has NO heat tolerance at all! be very careful if you…

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Added by Joshua Ott on November 14, 2012 at 1:30am — 14 Comments

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