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Mostly videos of fun engineering projects in which I've been involved.

Collection videos

tinyKart: Snow Drifting

tinyKart: Snow Drifting

Added over 3 years ago | 00:02:16 | 5998 views

Snow drifting with an ultralight (25kg / 26kg filled with snow) electric go-kart during the March snowstorm. The kart has independent RWD and about five horsepower, so it puts on a good show. More info on the kart:

PCB Quadrotor: Strobe Vibration Visualization

PCB Quadrotor: Strobe Vibration Vis...

Added over 3 years ago | 00:01:59 | 4319 views

One of the challenges of making a PCB-based micro quadrotor has been vibrations in the relatively thin, flexible frame. To visualize the vibrations, I used a strobe light set to a frequency that is slightly higher or lower than the prope...

tinyKart: Winter Special

tinyKart: Winter Special

Added over 3 years ago | 00:02:36 | 4134 views

Some say that his urine turns snow blue, and that he doesn't believe in polar bears.More info:

4pcb: More Balanced Props | 1-17-12

4pcb: More Balanced Props | 1-17-12

Added over 3 years ago | 00:01:36 | 5490 views

I tried balancing the props as well as I could using a new, better method. You can tell from the sound that they're still not perfect, but the improvement in hover stability allowed me to learn a new trick: hand launching.More info: ...

tinyKart: Testing New Motors and Battery

tinyKart: Testing New Motors and Ba...

Added over 3 years ago | 00:01:51 | 4616 views

Motors: 2x EMP C6374-200 (2.5kW peak each) 12S3P A123 26650M1-sorta-B (39.6V, 6.9Ah, 30mΩ) Still has some controller issues to sort out, but it works well.

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