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'nother trebuchet video (Read 3060 times)
HurlinThom
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'nother trebuchet video
Apr 10th, 2012 at 5:29pm
 
I've been kicking some ideas around for a while and in combination they came out like this. There is still some tweaking to be done but it performs pretty well as it stands. A more serious effort should easily send a baseball more than 100 yards.

http://www.youtube.com/watch?v=piwJQ3JVa7g
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When all is said and done more will have been said than done.
 
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slingbadger
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Re: 'nother trebuchet video
Reply #1 - Apr 11th, 2012 at 6:35am
 
What do the neighbors think?
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The greatest of all the accomplishments of 20th cent. science has been the discovery of human ignorance  The main difference between genius and stupidity is that genius has it's limits.-Einstein   I'm getting psychic as I get older. Or is that psychotic?
 
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Mauro Fiorentini
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Re: 'nother trebuchet video
Reply #2 - Apr 11th, 2012 at 6:43am
 
These things are sooo funny!
Here're pics of a trebuchet I managed to use a couple of years ago:

http://i1211.photobucket.com/albums/cc428/MauroFiorentini/TrabuccoLucca2010.jpg
http://i1211.photobucket.com/albums/cc428/MauroFiorentini/TrabuccoLucca20101.jpg
http://i1211.photobucket.com/albums/cc428/MauroFiorentini/TrabuccoLucca20102.jpg
http://i1211.photobucket.com/albums/cc428/MauroFiorentini/TrabuccoLucca20103.jpg

It threw a basketball-sized bullet made of leather at some 100 paces away  Smiley
I had no part in building it, by the way - I just had the chance to test it.
Greetings,
Mauro.
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Like! Smiley https://www.facebook.com/Arte-Picena-238289793027749/timeline/
Greetings,
Mauro.

Mauro Fiorentini - 339-525
 
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Curious Aardvark
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Re: 'nother trebuchet video
Reply #3 - Apr 11th, 2012 at 8:06am
 
so what are the advantages of the segmented weight arm ?
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Do All things with Honour and Generosity: Regret Nothing, Envy None, Apologise Seldom and Bow your head to No One  - works for me Smiley
 
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HurlinThom
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Re: 'nother trebuchet video
Reply #4 - Apr 11th, 2012 at 12:27pm
 
Mauro, nice photos. Beware that my Bro,Chuck Rocks, may add copies to his archive of hurling device images. I was in Lucca a few years back with a tour group. In our free time my wife and I walked around the city center, ate some gelato, and saw an argument between a housewife and a prostitute. No trabucchi, though.

C_A, I'm not sure how to answer your question. This is a really atypical setup. Normally the hinged counterweight is used to give as more-vertical dropping path for increased efficiency over trebs with a fixed CW. Fixed CW trebs also tend to be unstable. My CW obviously can't drop vertically; I give up some efficiency for a longer drop, drop being as important as the amount of weight being dropped, if not moreso. It is dead stable. The short end of the arm is "bent" to give more leverage at the end of the throw where the sling is giving the most resistance and to improve the geometry of the dropping path. Sorry if the details are eye-glazingly boring. Anyhow I guesstimate that I get 60% more distance than a conventional setup this size if not more. And there's room for development; this is still an early stage.

SlingBadger, I try to shoot when he's not home.
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When all is said and done more will have been said than done.
 
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Bill Skinner
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Re: 'nother trebuchet video
Reply #5 - Apr 11th, 2012 at 12:38pm
 
Very cool!
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Rat Man
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Re: 'nother trebuchet video
Reply #6 - Apr 14th, 2012 at 7:18pm
 
Bill Skinner wrote on Apr 11th, 2012 at 12:38pm:
Very cool!

I agree.
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Dutchy
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Re: 'nother trebuchet video
Reply #7 - Apr 16th, 2012 at 3:56am
 
It does look very cool and it seems to work great, I am not a big fan of bright colours on any type of weapons however, but that's just a matter of personal prefference.
Great job!
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HurlinThom
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Re: 'nother trebuchet video
Reply #8 - Apr 16th, 2012 at 9:38am
 
Dutchy wrote on Apr 16th, 2012 at 3:56am:
It does look very cool and it seems to work great, I am not a big fan of bright colours on any type of weapons however, but that's just a matter of personal prefference.
Great job!

The RWB paint job is my tribute to the old Pumpkin Hammer, a classic treb that was a perennial second at the World Championship of Punkin Chunkin. Plus the thing sits out in the weather all year and the wood needs some protection.
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When all is said and done more will have been said than done.
 
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Dutchy
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Re: 'nother trebuchet video
Reply #9 - Apr 20th, 2012 at 7:51am
 
That does make a lot of sence then Wink
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