Roman Artillery (Shire Archaeology) by Alan Wilkins ebook

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Series:::: Shire Archaeology+++Paperback:::: 80 pages+++Publisher:::: Shire (March 4, 2008)+++Language:::: English+++ISBN-10:::: 9780747805755+++ISBN-13:::: 978-0747805755+++ASIN:::: 074780575X+++Product Dimensions::::5.9 x 0.2 x 8.3 inches++++++ ISBN10 9780747805755 ISBN13 978-0747805

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Description: After examining the Greek origins of torsion-powered , this book describes the machines used from the time of Caesar onwards, their dominance in the warfare of the western world for over a thousand years, and their importance in the history of technology. I have read the Greek and Roman Artillery by E.W. Marsden, Roman Artillery by Alan Wilkins and Greek and Roman Artillery 399 BC-AD 363 by Duncan B Campbell.I would consider E.W. Marsden books to be the authoritative text on the subject. Which brings me to the next two books. I would describe them more of an “addendum” on the subject. They both add some additional information which is interesting and important, but little overall. They are both quite short.Roman Artillery (Shire Archaeology)Roman Artillery by Alan Wilkins. This book provides claims of theoretical maximum ranges for bolt shooters and stone shooters, treating them differently. The effective range, for example, for the stone shooter in a is much lower. The reason for this is not explained well, but Campbell does not do a better job either. They are archeologists, not physicists. The scope of the material covered is fair, until the author gets in to talking about Cheiroballistra were all objectivity goes out the window. What becomes obvious is that the author is personally convinced that the Cheiroballistra has outward swinging arms, going insofar to use such terms as “fact,” “no evidence,” and claiming that the Harta casing is proof of this too, somehow!His coverage of the much ill convinced and doomed 1 talent Ballista BBC show of which he had a part of only mentions: 1) the role of the drawstring in preventing the arms from smashing the ballista apart 2) the inclination angle for best range 3) the importance of metal bracing. He does not mention some of the other faults, though he also does not draw any conclusions from this failure about Ballista’s in general either.Overall except for one part in his coverage of the subject, what he writes is fair and objective if very short.Greek and Roman Artillery 399 BC-AD 363 (New Vanguard)Roman Artillery 399 BC-AD 363 by Duncan B Campbell. Coverage is similar to Alan Wilkins. With some differences. The author does not make a distinction between the maximum and effective range of stone shooters and bolt shooters. He makes some odd statements. He specifies an unrealistic effective range for bolt shooters do to wind. If anything there is historical testimony about just how accurate Ballista were, rather than the contrary. He claims that all of the force of the arms is absorbed by the drawstring, this is not the whole story. The stanchions do play a part. There will be high failure rates where the PRIMARY stopping action are the outer stanchions, but I will admit that if you have a tight drawstring it will keep the arms from smashing themselves or the machine apart (from my own reconstruction).There is a nice graphic provided that shows the arc of the a projectile as fired from a Ballista. But it’s misleading. It’s stated that if the stone thrower has a range of 400m at 35 degrees, it’s effective range is under 200m at 10 degrees inclination. This is claimed to be due to “air resistance.” This is incorrect, there is more to this. If you fire a rock at vertical wall in a high arc, it will hit the wall an angle where half or more of its momentum will simply result in the rock being bouncing off. The best hit angle is 90 degrees or straight on. So not only are you facing lower momentum at the end of the arc, you are also loosing power do to the angle at which the rock hits the wall.Actually Wilkins himself is mentioned in this book when it comes to talk of the Cheiroballistra, and his bias. I agree with Campbell that the Harta Ballista was most likely an inward swinger.Campbell then goes to talk about Onagers, and how superior they are to Ballista stone throwers. I disagree. The Onager represented a decline in Roman Military, something that Marsden provided evidence for, history and other historians. The Onager is simpler, and easier to construct. While that by itself does not make it inferior, but unlike the Ballista it was not very mobile. The Ballista breaks down in to many component parts. The Onager is a one piece construction. There is also no evidence that Onagers had wheels, which begs the question if they were moved at all or constructed on site like other siege equipment. Alan Wilkins also mentions that Onagers were not very mobile.Overall, I can recommend the work done by E.W. Marsden without reservations. Then the other two with some reservations.

Roman Artillery (Shire Archaeology) in History pdf books

Roman Artillery (Shire Archaeology)

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