Massachusetts Institute of Technology
Sign in | Create Account

Videos by scolton (83)

Imprecise Aggressive Maneuvers for Remote Control Quadrobots (a.k.a. Twitch, Jr.)

Imprecise Aggressive Maneuvers for ...

Added over 4 years ago | 00:01:00 | 13161 views

This is the very first test drive of Twitch, Jr. It's named after its larger predecessor, Twitch, built by FIRST Team #1565 in 2008 (video). I'm not associated with 1565...I just decided I had to make a small Twitch. The "linkage drive...

HexBridge Shield Demo

HexBridge Shield Demo

Added over 4 years ago | 00:01:02 | 9571 views

This is a high-power motor drive shield that I designed for the Arduino. I'm testing it on a large separately-excited DC motor from the Cap Kart. It has six semi-independent outputs, three of which are controlling the armature winding an...

Custom ESC: Field Weakening Test

Custom ESC: Field Weakening Test

Added over 4 years ago | 00:01:13 | 10629 views

This is a test of the brushless ESC I built for my 1/10-scale RC car. It uses sinusoidal AC commutation and field-oriented control, which dynamically adjusts the timing of the motor to optimize torque. As an extension of this control met...

Twitch, Jr.

Twitch, Jr.

Added over 4 years ago | 00:00:26 | 9429 views

A SolidWorks rendering of the linkage-drive robot I'm building. It's based on "Twitch...the missing link(age)," FIRST Team 1565's 2008 robot, which you can see in action here: 1565 Build Video 2008 1565 Drive Test 2008 I'm not affilia...

Rookie vs. the RC Car (...in slow motion.)

Rookie vs. the RC Car (...in slow m...

Added over 4 years ago | 00:00:43 | 13178 views

Rookie (the dog) likes to chase squirrels. RC cars look like squirrels, I guess.

Pirate Radio Control: Custom RC for a 4WD 1/10th Scale

Pirate Radio Control: Custom RC for...

Added over 4 years ago | 00:01:49 | 11154 views

This is the first test drive of my modified 1/10th scale RC car. It can reach a top speed of nearly 40mph with this gearing. It does 0-30mph in 2.2 seconds. More information. The car is a Team Associated TC4 RTR. Modification I made inc...

LEAF Motor: Spin-Up

LEAF Motor: Spin-Up

Added over 4 years ago | 00:00:56 | 10469 views

This is the very first spin-up test of the Less Epic Axial Flux (LEAF) motor, to about 1500rpm. The LEAF motor is a "DIY" coreless axial-flux brushless motor. More information. The LEAF motor is the end result of a cheap set of wedge ma...

RC Car Tire Spin, 600FPS

RC Car Tire Spin, 600FPS

Added almost 5 years ago | 00:00:10 | 17883 views

Here's a quick video of my new toy, a 1/10th scale 4WD RC car. The video is shot with a Casio EX-F1, (a hand-held high speed video camera for under $1,000).

Brushless Motor Control

Brushless Motor Control

Added almost 5 years ago | 00:01:10 | 22745 views

This video shows a significant difference between square-wave commutated and sine-wave commutated brushless motor drive. The motor (from the B.W.D. Scooter project, can resonate with the scooter frame at certain speeds when driven with o...

Edgerton Center HSV: Arrows and Fruit

Edgerton Center HSV: Arrows and Fruit

Added almost 5 years ago | 00:01:54 | 17871 views

Some high speed video of arrows hitting (and missing) fruit, taken in the Edgerton Center Strobe Lab with a Phantom high speed video camera.

B.W.D. Scooter Test Drive #2

B.W.D. Scooter Test Drive #2

Added 5 years ago | 00:02:29 | 27338 views

The B.W.D. Scooter is an electric kick scooter with Both Wheels Driven by custom-built brushless DC hub motors. For more information, visit: http://web.mit.edu/first/scooter The hub motors built into each wheel are 3-phase, 14-pole...

B.W.D. Scooter Test Drive #1

B.W.D. Scooter Test Drive #1

Added 5 years ago | 00:03:05 | 23913 views

The B.W.D. Scooter is an electric kick scooter with Both Wheels Driven by custom-built brushless DC hub motors. For more information, visit: http://web.mit.edu/first/scooter The hub motors built into each wheel are 3-phase, 14-pole bru...