Rotation Speed (Aviation Blog)

rotation speed

Flying planes, launching rockets, buying tech and driving a Leaf

Wrist Watch Uses Miniature Twin Turbines to Wind Itself

The UR-202 Hammerhead Automatic from Urwerk is a watch that demands your respect. It features a unique winding system that is regulated using compressed air. The 202 uses miniature twin turbines to control the rate of automatic winding and the level of air compression can be controlled using a 3-position selector switch. Check out this video.

read more | digg story