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Hi,
Pictures of the reconstruction of Dionysios' repeating crossbow in the Museum für Antike Schiffahrt in Mainz, Germany. They put it on the deck of one replica, while a model, showing the loading mechanism, is displayed on the floor.
Description of firing mechanism
Spannvorrichtung of the Crossbow
Replica on ship deck, meant for 'sweeping the riverside' according to one guide
Stefan (Literary references to the discussed topics are always appreciated.)
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Stefan (Literary references to the discussed topics are always appreciated.)
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Quote:I'd like to know from which source the following three drawings come, and whether they are true to the ancient evidence.
The first two pictures have been lifted from Eric Marsden's [amazon]Greek and Roman Artillery. Technical Treatises[/amazon], every artillery scholar's bible.
The third image (I believe) is from "Ancient catapults", Scientific American vol. 240 (1979), pp.150-160, by Soedel and Foley. I don't have the article to hand, but I'm pretty sure that's where the picture came from.
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Alright. So all three are still well in the copyright lands. Too bad. :wink:
What do you think of the reconstruction in the Mainz Museum?
Anyway, on what ancient evidence are all these reconstructions, replica and schemes alike, based?
I also noted that this 'machine-gun' may well be the first instance of a chain drive, albeit with uncontinous motion.
Stefan (Literary references to the discussed topics are always appreciated.)
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Quote:Anyway, on what ancient evidence are all these reconstructions, replica and schemes alike, based?
Philon (sometimes called "Philo Mechanicus") describes the machine in his Belopoiika. Marsden translated the text with commentary and diagrams.
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We had a reproduction at Corbridge last year. I cannot remember the guy who made it, but it was pretty amazing. Would be great to see it firing at full strength...
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Byron Angel
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Quote:We had a reproduction at Corbridge last year. I cannot remember the guy who made it, but it was pretty amazing.
Maybe Alan Wilkins/Len Morgan? I think they knocked one up for "What the Ancients Did For Us" TV show.
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The picture of the mechanism etc is from page 137 of "Atlas of the Greek World" by Peter Levi (or perhaps this is an additional, highly detailed drawing). The Chinese were using repeating crossbows until the end of the nineteenth century - they were not very accurate, though.
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I think it was Alan Wilkins. Len was there too though, so it possibly was the one they collaborated on. I would love to build these things myself, and the fact that I have actually met these guys is something I never imagined a few short years ago!
But I was thinking he had just perfected the cam mechanism on it for last year, but possibly picked up the wrong end of the stick!
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Quote:The picture of the mechanism etc is from page 137 of "Atlas of the Greek World" by Peter Levi .
Check Levi's illustration credits. You'll see that he lifted this one from the Scientific American article I cited above.
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Is this the only evidence of chain drives in antiquity? If thez were out of iron, chance is that there must be some archaeological remains, mustnt it?
Stefan (Literary references to the discussed topics are always appreciated.)
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Quote:I think it was Alan Wilkins. Len was there too though, so it possibly was the one they collaborated on.
I may be wrong, but I think Alan's the theory and Len's the practice. You need a Latin/Greek scholar to decipher the instructions and a craftsman to carry them out.
Quote:If they were out of iron, chance is that there must be some archaeological remains, mustnt it?
If they were copper alloy (bronze), you could reasonably expect remains, but if they were iron, they could simply have corroded into dust. Of course, either version could've been melted down and re-used. I think Alan & Len's wooden version works very well, though.
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Mythbusters build their version which ended up working well after they tuned it up a bit.
http://dsc.discovery.com/tv/mythbusters/
Unfortunately they did not consult a knowledgeable reenactor resulting in BRACERS with their (Plastic armor?)Roman outfit
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Here are some illustrations from Russo et al., AutomaticWeapons of the Roman Empire (M. Ceccarelli (ed.), Proceedings of EUCOMES 08). The second is of a pneumatic weapon supposedly described by Philon of Byzantium. If anyone can link me to a source for his description online, I'd appreciate it.
Paul M. Bardunias
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Quote:Here are some illustrations from Russo et al., AutomaticWeapons of the Roman Empire (M. Ceccarelli (ed.), Proceedings of EUCOMES 08).
Automatic Weapons of the Roman Empire ??? :? Shouldn't there be a question mark after it? Is there any evidence that any sort that suggests automatic weapon were used by the Romans? Philon was Greek and AFAIK that's tha last we hear of automatic, or at least magazine-fed weapons until the Chinese crossbow. In the gunpowder era the first I know of is Puckle's gun in the 18thc. The gatling, militraiuse, and other "machine guns" came in the 19th C. Technically speaking, none of these are "automatic" weapons in the strictest sense since they require a manual input of energy such as cranking or cycling the bolt to repeat firing.
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