Catapult Glider Launcher
Fling your Rocket Glider or other toy aircraft 150 feet into the sky!
Screw eyes
Gravity Catapult
I have long been enamored of catapults. Invented around 400 B.C., they were used until nearly A.D. 1300. So for 1,700 years, catapults were arguably the largest, most expensive, and most powerful machines on the planet. Today, people build catapults for fun: Scout troops, historical reenactors, fathers and daughters, beer-stoked college students. Having built more […]
One-Ton Linear Servo
RC hobby servomotors were just made for hacking. What’s not obvious is how much you can hack them — with a few tricks, you can use a servo to control almost anything. Hobby servos consist of a DC gear motor, a potentiometer (usually 5K), and a control circuit. The output shaft is the output of […]
Portrait Window
This is a project that celebrates friends. The core group. The people you can count on for a ride to the airport at 6:30 in the morning, or to help you drag a new sofa up three flights of stairs. The people who allowed themselves to be seen with you in public through some of […]
