sll914
FASTEST RC AIRPLANE IN THE WORLD! Transonic DP -- 545mph!!
About this video
A one-minute clip of Spencer Lisenby setting a 545 mph speed record in an RC glider, the Transonic DP, using dynamic soaring. No motor is involved.
Keep your curiosity going.
A few more ideas from the same corner of the archive.
Around The Corner - How Differential Steering Works (1937)
US Auto Industry
How Self-Driving Cars will Destroy Cities (and what to do about it)
Not Just Bikes
Detergent packs are kinda wishy-washy (Dishwashers Explained)
Technology Connections
Mechanical Computer (All Parts) - Basic Mechanisms In Fire Control Computers
Excelsior10000