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Leo Todeschini
Industry Professional
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Posted: Thu 12 Jun, 2014 9:48 am Post subject: Gastrophetes (Classical Greek crossbow) reproduction |
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This is a rather unusual bow for me and is a classical Greek crossbow equivalent.
The evidence for these is rather scant and I suspect Dan Howard will know much more, but this is my interpretation of one.
It is loaded quite differently to a conventional crossbow and shares many similarities with Greek and Roman torsion artillery with the very notable exception that the bow is of a conventional type rather than torsion. It is loaded by rotating the pawls on the side of the trigger block away from the teeth on the stock. The slide is then pushed forward until the string engages with the fork. The fork is locked with the trigger bar, the pawls are rotated forward and then the user leans forward on the bow so that the slide pushes against the ground and the string is pushed back until the pawls engage with the teeth. The bow is then lifted so that the curved bar rests against the belly and is shot.
Both the method of loading, by pushing down on the bow by leaning on it and the raising of the bow to the stomach to shoot presumably lead to the name ‘Gastrophetes’ which means ‘belly bow’.
This was a complicated reproduction for me as much as there not really being one to copy and that it was rather technical, but was very interesting none the less. I will be posting up a video in due course showing being shot.
The bow in this instance is in fact a fibreglass horse bow made by Kassai and is 110lb, but with the very fast nature of these bows and the long draw length make this a very powerful bow indeed. The bow was shortened and covered in painted linen to hide its origins and fitted with a linen string. For want of any further information the string was made like medieval crossbow strings. The original bows were presumably composite and displayed this recurved form.
The stock is seasoned oak and all the trigger and teeth parts are bronze.
There is (as far as I know) no information on how the bow was secured to the stock and so I have opted for lashing which I feel is the most likely; allied to this I wanted to make the bow removable for easy modern life. With this in mind I used a lashed and wedged system that I conceived for this bow. Whether they were like this I have no idea, but it fixes the bow, make it removable and the Greeks certainly used opposing wedges for tightening the bundles on their torsion artillery so it was a system that would have been open to them and understood, even if not used.
I hope you like it - I love it!
The stock is oak
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Jean Thibodeau
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Posted: Thu 12 Jun, 2014 12:50 pm Post subject: |
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Very interesting design even if you had to guess at and improvise some of the details of assembly: Even if not historically certain in details, the period ones had to function basically the same way to be able to do the same thing.
Seems like a very efficient design with some advantages over the Medieval crossbows in having a longer draw length.
It would be interesting seeing it in use and how much velocity and energy one gets out of the arrow/bolt compared to a heavier draw medieval crossbow: I'm guessing that it might perform as well or better than a 350 lb. crossbow ?
You can easily give up your freedom. You have to fight hard to get it back!
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Scott Roush
Industry Professional
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Posted: Thu 12 Jun, 2014 6:24 pm Post subject: |
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Leo your work with crossbows is just wonderful. What a treasure to have if I ever owned one.
http://www.bigrockforge.com
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Peter Johnsson
Industry Professional
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Posted: Fri 13 Jun, 2014 1:38 am Post subject: |
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Beautiful work Tod!
This is a fantastic study of this weapon type. Ingenious construction and very nicely executed.
I would love to see how it performs.
Looks like it would be great fun to use!
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Steve Senior
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Posted: Wed 18 Jun, 2014 5:31 am Post subject: |
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As one of the two proud future owners who commission Tod to make this gastraphetes and a second one of the same type, I am absolutely thrilled with the finished article and Tod's interpretation of what little evidence we had to go on.
The gastraphetes shown is modelled on the Zopyrus of Taras version that he produced some time before 421bc, having improved on earlier versions.
Zopyrus of Taras, the Pythagorean mathematikoi, is generally credited by academics as the creator of this first working gastraphetes that all future versions developed from.
We do not know as to what use these weapons were put but Taras (modern Taranto) was engaged in frequent wars with neighbouring cities and territories where seige warfare was common, and, being a coastal city, had a thriving navy and many "privateers" or "Leistes" amongst their ship owners.
These two gastraphetes will make a valuable addition to The Hoplite Association displays and a treasured addition to my personal collection.
Many Thanks Tod
This is my shield.
I bear it before me into battle,
But it is not mine alone.
It protects my brother on my left.
It protects my Country.
I will never let my brother out of its shadow,
nor my Country out of its shelter.
I will die with my shield before me
facing the enemy.
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Jarno-T. Pälikkö
Industry Professional
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Posted: Thu 19 Jun, 2014 7:36 am Post subject: |
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Hi Tod,
Again an another marvel to come out from you workshop! What a fascinating weapon!
I have read of such a bow in (Ospreys?) book about ancient Greek artillery and again as it is 'used' in Christian Cameron's excellent book "Destroyer of Cities" of the "Tyrant" series. And now, you bring the illustrations and text into reality, wow!
I salute you, sir!
JT
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Lafayette C Curtis
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Posted: Fri 20 Jun, 2014 4:18 am Post subject: |
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Taras? That wouldn't have been surprising, since they particularly had a great deal of trouble with some nasty barbarians from the north who called themselves R*mans.
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William P
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Posted: Mon 23 Jun, 2014 11:41 pm Post subject: |
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ive been a little confused by the gastraphetes, i have some sources saying it was a hugs wall mounted thing like was shown in that documentary... and some saying they were the size of your fairly average crossbow... obviously there might have been a whole range of sizes but which was the commonly used size that would have been described in texts etc..??
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Leo Todeschini
Industry Professional
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Posted: Tue 24 Jun, 2014 12:40 am Post subject: |
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Thank you very much for your kind words and it was a great object to have recreated. I have shot some footage of it being used and as soon as I can work out how to edit it I will post it up on youtube.
William P wrote Quote: | ive been a little confused by the gastraphetes, i have some sources saying it was a hugs wall mounted thing like was shown in that documentary... and some saying they were the size of your fairly average crossbow... obviously there might have been a whole range of sizes but which was the commonly used size that would have been described in texts etc..?? |
I may have made it, but the finer points of its use and context pass me by as it is not my area of special interest, however I would say that the name 'belly bow/stomach bow' suggests that it would be a smallish hand held weapon rather than a larger stand mounted one. Also the mode of loading requires it to be hand held.
JT Palikko wrote Quote: | Again an another marvel to come out from you workshop! What a fascinating weapon!
I have read of such a bow in (Ospreys?) book about ancient Greek artillery and again as it is 'used' in Christian Cameron's excellent book "Destroyer of Cities" of the "Tyrant" series. And now, you bring the illustrations and text into reality, wow!
I salute you, sir!
JT |
Thanks Jarno,
I have read a few of the Tyrant series, but not in fact this one, but I believe that the bow is going to another member of the Hoplite Society, of which he is a part, so that is nice. I liked these books of his and thought them well and thoughtfully written, however I have not long since finished 'Ill made Knight' by the same author and that I really loved; if 14thC Europe in turmoil is your thing - read this book.
Tod
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Jarno-T. Pälikkö
Industry Professional
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Posted: Tue 24 Jun, 2014 2:43 am Post subject: |
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Please, please, show us the bow in action! I am still finding it bit difficult to understand just how the spanning mechanism really works.
Slightly off-topic, but I read the "Ill made knight" right after it was published and loved it! Just waiting the sequel to come out!
JT
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William P
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Lafayette C Curtis
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Posted: Mon 30 Jun, 2014 11:27 pm Post subject: |
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Leo Todeschini wrote: | I may have made it, but the finer points of its use and context pass me by as it is not my area of special interest, however I would say that the name 'belly bow/stomach bow' suggests that it would be a smallish hand held weapon rather than a larger stand mounted one. Also the mode of loading requires it to be hand held. |
How much detail could we extract from the sources about the dimensions, I wonder? Reconstructing Roman ballistae is obviously much easier since we have a detailed explanation from Vitruvius on how the parts should relate to each other proportion-wise, but I don't know whether any surviving source on the gastrophetes goes into so much detail.
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Leo Todeschini
Industry Professional
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Lafayette C Curtis
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Posted: Thu 03 Jul, 2014 10:08 am Post subject: |
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Looks familiar. Is it from a medieval edition of De Rebus Bellicis?
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Leo Todeschini
Industry Professional
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Peter Lyon
Industry Professional
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Posted: Mon 20 Jul, 2015 11:27 am Post subject: |
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Great work, Leo. And good video of it in action.
Still hammering away
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Henry R. Gower
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Posted: Tue 21 Jul, 2015 6:57 pm Post subject: Gastrophetes |
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Leo, what completely blows me away is the range of your work-from crossbows, to ancient ballistae to scabbards, swords leatherwork and foundry work. Most craftsmen are content to stick to one, perhaps two specialities. You appear to be proficient in at least six or seven very different areas, and it all looks soooo good. And to top it off, you are able to illustrate it all electronically for our enjoyment and education. I am in awe.
Henry.
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Leo Todeschini
Industry Professional
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Shahril Dzulkifli
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Posted: Mon 27 Jul, 2015 5:18 am Post subject: Gastrophetes (Classical Greek crossbow) reproduction |
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I never knew that ancient Greek soldiers also fought with crossbows like this one.
The gastrophetes is, without doubt, an ancient form of the crossbow.
“You have power over your mind - not outside events. Realize this, and you will find strength”
- Marcus Aurelius
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Leo Todeschini
Industry Professional
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Posted: Mon 07 Dec, 2015 12:45 am Post subject: |
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I have just finished another of these bows (this one going over to the US). It is basically the same as the previous bows in this line that I have made, except that the poundage of this one is 30lb rather than the 110 or 90 of the previous.
30lb is clearly a low weight, though it still shoots very nicely and at this weight, the whole concept of the bow is a little redundant; good for demonstrations though. However I personally felt that the 110 was too heavy and the 90 was still hard work, though very impressive. I was talking to the owner of the 90lb one a couple of weeks ago and he was easily clearing 250m with it and he felt that was not maximum range. Anyway the point I was making was that for war maybe the 90lb is a good number, but for shooting fun and still damn impressive, I think that a 60 or 70lb bow on one of these would be a good weight.
Anyway I hope you like it.
Tod
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www.todsworkshop.com
www.todcutler.com
www.instagram.com/todsworkshop
https://www.facebook.com/TodsWorkshop
www.youtube.com/user/todsstuff1
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