If you can’t make it to Chuck to turn the light bulb and no ladder or chair will help you simple device from a dense paper and two rubber bands.
Recommend to read
Motor Racing Without… an Engine
For a long time, the designers of mini-cars could not decide in what position the racer should pass the course. There were even cars of the “bed” type: their advantages were a low center...
FISHERMAN’S “AEROCRAFT”
At the time I decided to build an aerosled, I didn't plan any particularly original design solutions for it — the machine was needed as a regular winter vehicle.
However, when I...