Medieval Hand Cannon

 by jeanluc83
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This is a replica of a hand cannon, also known as a handgonne, that would have been used in 14th century Europe.

It is a very easy and quick project if you have access to a lathe. Total time for the project was about 6 hours not including design and the cost was about $30.

Materials:
  1.5” dia. x 12” long steel
  1.25” to 1.5” dia. wood pole (recommend ash or white oak)
  #10 x 0.75” long wood screws
  Boiled Linseed oil

Tools:
  Lathe
  Drill press or milling machine
  Hand plane
  Carving knife
  Rasp




 
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Step 1: Design

handgone.jpg
3medgon_1.jpg
IMG_0915.JPG
I have a fascination with artillery of any kind.  My preference is American Civil War but I also like the very early artillery.  When I learned about the first hand held artillery I knew that I wanted to build one.  After doing some searching I came across a design that I liked and that looked easy to make.  I found a hand cannon dating from the 14th century.  There were pictures detailed enough to base my design on.

To go from a picture to an actual design I fist printed the picture full size.  I knew that I wanted the final diameter to be approximately 1.5" and the bore to be 1/2".  Once I had a print scaled to this size rough dimensions were measured directly off the print. These dimensions were then used to create the cad drawing. I tweaked the design until everything looked close to the original. Since the originals are likely to have been made one at a time I’m sure there was a good deal of dimensional variation so I didn’t worry too much over the actual dimensions.  I just picked sizes that I felt were easy to work with.
Aron313 says: May 17, 2012. 5:48 PM
I bet people would say thats dangerous but its perfect! Nice project!
jeanluc83 (author) in reply to Aron313May 24, 2012. 4:40 PM
Not just dangerous but extremely dangerous. This is not a toy and should be treated like any other firearm.
Aron313 in reply to jeanluc83May 24, 2012. 5:12 PM
Well of course but many may say that this should be illegal
nanosec12 says: May 24, 2012. 6:26 AM
Any plans to make another one, using the reamer? Or to possibly rifle the barrel for some accuracy?

Impressive piece of 'replicated' history.
jeanluc83 (author) in reply to nanosec12May 24, 2012. 4:39 PM
Thanks. I do plan on building another at some point. This one has gone on to a new home to make way for new projects.

I will definitely ream the bore on the next one. Rifling is possible but a little modern for this period and I'm not sure how much accuracy would be gained for such a short barrel.
desertsniper says: May 16, 2012. 7:07 AM
awesome!
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