אונדזער פֿילם און ווידעא ביבליאָטעק קענען בלויז זיין סטרימד אָדער דאַונלאָודיד בלויז דורך מיטגלידער
פאָרזעצן צו היטן פֿאַר פריי ➞פאַרשרייַבן זיך עס נעמט ווייניקער ווי 1 מינוט, און איר קענען הנאה אַנלימאַטאַד קינאָ און טעלעוויזיע טיטלען.
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The Secret of Flight
טריילער: The Secret of Flight
רונטימע: 29:14 מינוט
קוואַליטעט: HD
ערשטער לופט טאָג: Jan 01, 1959
לעצטע לופט דאַטע: Jan 01, 1959
עפּיזאָד: 1 עפּיזאָד
צייַט: 1 צייַט
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Preview
Dr. Alexander Lippisch introduces his series and the basic laws of fluid motion by means of new methods of visualizing the flow phenomenon. He also...
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The Laws of Fluid Motion
Dr. Lippisch points out the main problems of flight: lift and drag, control and stability, and propulsion. He explains the correlation between flow...
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The History of Early Flight
Dr. Lippisch's theme is the historical development of the flying machine. He begins his lecture with a short demonstration of Penaud's model. He...
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The Discovery of Dynamic Lift
The Wright Brothers solved three problems with their first plane: lift, control, and propulsion. The problem of lift was the one which caused the...
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Stability and Control
Even before the improved lift devices were designed, the stability and control problems had to be solved and further improvements incorporated into...
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Propulsion
After the lift, stability and control problems were solved, a propulsive system was needed to make the aircraft fly. The first propulsion device -...
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The Problem of Drag
Discusses and demonstrates the problem of drag created by friction and turbulence. Explains the need for a high ratio of lift to drag' to produce an...
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The Induced Drag
Discusses induced drag which is directly connected with the principles of lift and demonstrates the vortex configuration caused by the wing tip....
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Different Aircraft Systems
The first airplane to fly was what would be called today a Canard Type airplane; it had a horizontal stabilizer in front of the main wing....
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Lift Theory and High Lift Devices
Explains the principles of lift. Uses the smoke tunnel to demonstrate the methods developed to produce wings with high lift capacity. Discusses...
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The Story of the Vortex
Defines a vortex and explains its structure. Shows several types of vortex including the ring, tip and thermal vortex. Uses the smoke box, water...
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Flight of Nature
"Man seems to have surpassed nature as he can fly faster and higher than the natural flying creatures. But further study of the flying habits of...
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Modern Problems of Flight
Discusses new aerodynamic problems caused by high speed flight. Explains the different flow regions corresponding to the subsonic, transonic, and...
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The Crocodile Hunter (1997)
Australian host Steve Irwin and his wife Terri run a wildlife refuge. Their shared passion is educating the world about wildlife, including the much...
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Antiques Roadshow (1979)
Antiques Roadshow is a British television show in which antiques appraisers travel to various regions of the United Kingdom to appraise antiques...
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Once Upon a Time... Life (1987)
Attention please! Are you ready for an adventurous tour through the human body? With a lot of humour, our physical appearance is being introduced...
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Cosa Nostra, de Palerme à New York (2018)
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Pubs, Ponds and Power: The Story of the Village (2018)
Archaeologist Ben Robinson explores the story of the village from Norman times to the present day. With ancient churches, castles, market places and...