The aerodynamic balance – Lilienthal’s most important measuring instruments
The measurement of lift and drag - Even today, Lilienthal’s method provides the basis for the description of an artificial wing.
Drawing of the principle of the apparatus in Lilienthal's book "The bird flight as the basis of aviation".
The movie scene is included on the DVD "The glider of Otto Lilienthal".
The animation is on the CD "Otto Lilienthal".
Resources:
Voice artist: K. Albrecht