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Videos by scolton (83)

B.W.D. Scooter Custom BLDC Motor - Speed Test

B.W.D. Scooter Custom BLDC Motor - ...

Added 5 years ago | 00:00:23 | 23110 views

This is a speed test of the B.W.D. scooter's first custom-built hub motor. The scooter is this year's Edgerton Center Summer Engineering Workshop project. B.W.D. stands for either "both wheel drive" or "brushless wheel drive," since the ...

B.W.D. Scooter Custom BLDC Motor - Test #1

B.W.D. Scooter Custom BLDC Motor - ...

Added 5 years ago | 00:04:03 | 27864 views

Fast-forward to 1:50 to see it spinning! This is test #1 of the B.W.D. Scooter's first custom-built motor. The scooter is this year's Edgerton Center Summer Engineering Workshop project. B.W.D. stands for either "both wheel drive" or "b...

Custom Brushless Motor Controller Testing

Custom Brushless Motor Controller T...

Added 5 years ago | 00:01:09 | 15583 views

I've taken my recent experiments in 3-phase motor control hardware and put it into a nicer package. The controller is 100x80x30mm, not including the fan, built with IRFB3207 MOSFETs, which can handle quite a lot of current as demonstrate...

3-Phase AC Induction Motor Control Demo

3-Phase AC Induction Motor Control ...

Added over 5 years ago | 00:00:44 | 20893 views

Quick demo of a custom 3-phase AC induction motor controller I made for a term project. It lets you set synchronous speed and then observe DC and AC voltage/current sensors at different operating points. If you know me, you know it's ...

e-Kart Challenge 2009

e-Kart Challenge 2009

Added over 5 years ago | 00:02:14 | 16241 views

I got to visit the 2009 e-Kart Challenge, held in Tours, France. The challenge uses a friendly electric go-kart competition to motivate educational projects in engineering (mechanical, electrical, computer). The teams come from high-scho...

Schlieren Flame

Schlieren Flame

Added over 5 years ago | 00:01:21 | 16629 views

I just happened to be in the right place at the right time to see the creation of this awesome video of the Schlieren effect, an optical technique that highlights bent light. Here it shows heat convection coming off a candle flame, and l...

Design Tips: Power Electronics

Design Tips: Power Electronics

Added almost 6 years ago | 00:01:38 | 21076 views

This is what happens when I clean out my camera's hard drive... One last collection of videos that were left on my camera from this summer's project. With only a bit of power electronics background on the team, designing the motor contr...

Design Tips: Priorities

Design Tips: Priorities

Added almost 6 years ago | 00:02:19 | 19682 views

This is what happens when I clean out my camera's hard drive... Some more video left over from our summer project that didn't make it into the highlights. A full two meetings were spent creating a tachometer of blue LEDs. This was all b...

Design Tips: To-Do List

Design Tips: To-Do List

Added almost 6 years ago | 00:02:24 | 11359 views

This is what happens when I clean out my camera's hard drive... Not all of the video from this summer's project makes it to the final cut. But it's still funny. These are some highlights from a team design meeting during which we try to...

Electric Go-Kart: Test Drive #2

Electric Go-Kart: Test Drive #2

Added almost 6 years ago | 00:02:59 | 35768 views

With a new set of custom motor controllers, we were able to test some of the more interesting features of the Cap Kart. More info:http://web.mit.edu/first/kart In addition to its batteries, the kart has a 110F ultracapacitor, which ulti...

Friction Myth

Friction Myth

Added almost 6 years ago | 00:00:18 | 13508 views

In a recreation of the Mythbusters experiment, Ed and Steve try to pull apart two Digi-Key catalogs held together by nothing but the friction between their interleaved pages.

Electric Go-Kart: First Test-Drive

Electric Go-Kart: First Test-Drive

Added 6 years ago | 00:06:15 | 18460 views

The maiden voyage of our electric go-kart. Our field controller (the only piece of off-the-shelf electronics on the kart) broke, so it is limited to low gear with no capacitor brake/boost. Next time...http://web.mit.edu/first/kart