Glider
device · 1891 · Electric age
An unpowered aircraft (Lilienthal).
What it is made of
- Wing — has part. Wings.
Principles and materials it uses
- Wood — is made of. Lilienthal’s glider has willow battens.
- Cotton — is made of. Covered with cotton fabric.
History: what it evolved from and what it influenced
- Kite — evolved from. Lilienthal and Cayley studied the wing with kites and gliders.
- Aeroplane — evolved into. The Wrights added an engine to a glider.
What it is a kind of
- Aircraft — is a kind of. An aircraft.
- Hang glider — includes. A glider.