Do-It-Yourself Engineering Episode 17, A Tale of Three Catapults Episode 17, A Tale of Three Catapults.
Streaming video - 2017
Delve into the history of the most potent artillery weapons in the era before gunpowder: catapults. Examine the workings of the ballista, onager, and trebuchet. Then get started on a model ballista capable of hurling a golf ball 200 feet. Analyze the machine's nylon torsion springs to ensure that they can store enough elastic energy to achieve the required 200-foot range.
Saved in:
- Subjects
- Genres
- Education films
- Published
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[San Francisco, California, USA] :
The Great Courses
2017.
2019. - Language
- English
- Other Authors
- Online Access
- A Kanopy streaming video
Cover Image - Item Description
- Title from title frames.
Film
In Process Record. - Physical Description
- 1 online resource (streaming video file) (36 minutes): digital, .flv file, sound
- Format
- Mode of access: World Wide Web.
- Access
- AVAILABLE FOR USE ONLY BY IOWA CITY AND RESIDENTS OF THE CONTRACTING GOVERNMENTS OF JOHNSON COUNTY, UNIVERSITY HEIGHTS, HILLS, AND LONE TREE (IA).