Rolling Release Siege Engines: Teaching an Old Machine a New Trick

Details Rolling Release Siege Engines: Teaching an Old Machine a New Trick Rolling Release Siege Engines: Teaching an Old Machine a New Trick

2010-04-27

arxiv.org/abs/1005.0176v1

Physics

Popular Physics

23 pages double spaced, 8 figures

Scientific paper

The analysis of a new "rolling release" mechanism is presented for three different "siege engine" designs. The range obtained with the rolling release is compared to the ranges obtained using the simpler "cup" and the proven "sling" release mechanisms. It is found that the rolling release is a significant improvement over the cup release, but the range of the rolling release is still well short of that attained with the sling release. It is also noted that the familiar "spoon" projectile holder used on many siege engines operates in a rolling release manner, contrary to appearances and to some previous published studies. Instead, the release mechanism used in ancient engines and in modern kit-purchased replicas is the rolling release.

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