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Construction of a trebuchet? (Read 63726 times)
Woonilsra
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Construction of a trebuchet?
Sep 28th, 2009 at 3:54pm
 
...
what doyou gusy think, would this work?
the black square is teh counterbalance for the power
the odd black looking stick is between the two frames, and the rope is attached to it,  (in the picture)
to fire im thinking ill just take the rope and pull towards teh weight, then let go and see what happens

any advice is great guys, will it work, not work, stupid, etc, anything!
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« Last Edit: Apr 23rd, 2010 at 5:02am by Curious Aardvark »  

"Come on you sons of bitches! Do you want to live forever?"&&&&"A sword is a weapon. The art of swordsmanship is learning how to kill. That is the truth"&&&&"Dead!" I answered, and amiably "Murdered," the Hangman corrected me. "First the alien ... then the Jew. I did no more than you let me do."
 
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David Morningstar
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Re: Construction of a trebuchet?
Reply #1 - Sep 28th, 2009 at 4:46pm
 
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Woonilsra
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Re: Construction of a trebuchet?
Reply #2 - Sep 28th, 2009 at 6:24pm
 
awesome info thanks!
so i looked at them and compared my sketch (made during a free period in school) and i guess
im not too far off! I just think too optimistic in the size i want (as tall as me, so roughly 6ft)
but hey, ill look at all thes links, and the linsk of the links, and see where it takes me!
if this ever works, ill be sure to post pictures
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"Come on you sons of bitches! Do you want to live forever?"&&&&"A sword is a weapon. The art of swordsmanship is learning how to kill. That is the truth"&&&&"Dead!" I answered, and amiably "Murdered," the Hangman corrected me. "First the alien ... then the Jew. I did no more than you let me do."
 
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ChuckRocks
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Re: Construction of a trebuchet?
Reply #3 - Oct 5th, 2009 at 7:22am
 
Woonilsra,
I really can't tell what the drawing is supposed to represent so I would like to offer my assistance.

I am a Trebuchet designer and spend most of my on-line time advising people in their projects.
I have competed in the World Championship of Punkin Chunkin in Delaware, USA.
Recently I advised Team Ypes in the European Pompoenslingeren for their world record shot of 1,919.9 Feet with a 10-Lb pumpkin.

I propose that you visit www.thehurl.org get signed up and start reading some of the posts there. You can also use the Shout-out box to find me.
The Hurl is the world's intel center for all things Catapult and Trebuchet.

For some of my work, please visit You Tube and search for "webetom"'s videos.

Known as ChuckRocks here,
But at the Hurl as [b][size=14]Walker[/size][/b].
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« Last Edit: Oct 10th, 2009 at 5:41pm by ChuckRocks »  

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chronos275
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Re: Construction of a trebuchet?
Reply #4 - Oct 5th, 2009 at 6:43pm
 
Just a question where would you launchthis since it is going to be about 6 feet tall and have a ton of power!  Grin And what would you launch? Ive always been intrested in building one myself but never had the material or money, but certainly the drawings like you!  Smiley
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Woonilsra
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Re: Construction of a trebuchet?
Reply #5 - Oct 6th, 2009 at 6:53am
 
chuckrocks, the link did not open. the webpage could not be found. any other way to get to it?
http://www.thehurl.org/tiki-view_articles.php        is this it chuckrocks?
Chronos, me or chuckrocks? a friend and i intend to use it for snowballs, so nothign lethal
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"Come on you sons of bitches! Do you want to live forever?"&&&&"A sword is a weapon. The art of swordsmanship is learning how to kill. That is the truth"&&&&"Dead!" I answered, and amiably "Murdered," the Hangman corrected me. "First the alien ... then the Jew. I did no more than you let me do."
 
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ChuckRocks
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Re: Construction of a trebuchet?
Reply #6 - Oct 6th, 2009 at 8:01am
 
Their server was down for a while yesterday.
I was able to use the link on your reply to go directly there so I know it will work.

As an alternitive route, you could just do a search for thehurl.com and see what comes up.

For a simple snowball treb, please see photo below.
The "Spring-a-pult" is a traction spring powered catapult.
Not too complex and much faster re-fire cycle than gravity type machine.
Snowballs in the Winter and tennis balls in the Summer.
Uses garage door springs which can be found at any hardeware store.
The frame was made from scrap lumber harvested from a construction site with permission.

Let me know what you need and I'll do my best.

ChuckRocks
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David Morningstar
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Re: Construction of a trebuchet?
Reply #7 - Oct 6th, 2009 at 8:50am
 
Heh, nice. I would call that an Onager rather than a Trebuchet. Its gotta be gravity powered to be a treb in my book.

[EDIT]

This link is the motherlode of all things mechanoballistic: http://thehurl.wikidot.com/start:start
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« Last Edit: Oct 6th, 2009 at 10:14am by David Morningstar »  
 
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Woonilsra
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Re: Construction of a trebuchet?
Reply #8 - Oct 6th, 2009 at 6:31pm
 
David, you mean my origional picture? yeah i just realized it didn't look very much like a treb.
It was ust an idea, now that ive don the reserch i know what needs to be done.

Me and my friend will definatly try some sort of trebiuchet to make. THat spring looks cool, ill ask him
what he thinks, but im leaning towards a morem traditional trebuchet.

once i dont have so much schoolwork, and we get the time, we will definatly get some trebuchet made
and see waht we did.

i shall look up both those links guys, thanks!
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"Come on you sons of bitches! Do you want to live forever?"&&&&"A sword is a weapon. The art of swordsmanship is learning how to kill. That is the truth"&&&&"Dead!" I answered, and amiably "Murdered," the Hangman corrected me. "First the alien ... then the Jew. I did no more than you let me do."
 
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ChuckRocks
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Re: Construction of a trebuchet?
Reply #9 - Oct 7th, 2009 at 8:39am
 
David Morningstar wrote on Oct 6th, 2009 at 8:50am:
Heh, nice. I would call that an Onager rather than a Trebuchet. Its gotta be gravity powered to be a treb in my book.

[EDIT]

This link is the motherlode of all things mechanoballistic: http://thehurl.wikidot.com/start:start


That link is part of my home site. Thanks David.
I would debate you on the Spring-A-Pult being an "Onager", which is a type of torsion machine and in specific, one very well known torsion machine. (see photo)
However, I will cede the point that it is not a trebuchet. Call it a traction cat.

So, is the purpose to hurl snowballs or make a Trebuchet?
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Onager1.jpg (30 KB | )
Onager1.jpg

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Woonilsra
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Re: Construction of a trebuchet?
Reply #10 - Oct 7th, 2009 at 4:48pm
 
half half
a working trebuchet that can hurl snowballs
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"Come on you sons of bitches! Do you want to live forever?"&&&&"A sword is a weapon. The art of swordsmanship is learning how to kill. That is the truth"&&&&"Dead!" I answered, and amiably "Murdered," the Hangman corrected me. "First the alien ... then the Jew. I did no more than you let me do."
 
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ChuckRocks
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Re: Construction of a trebuchet?
Reply #11 - Oct 8th, 2009 at 7:18am
 
[quote author=Woonilsra link=1254167643/0#10 date=1254948490]half half
a working trebuchet that can hurl snowballs[/quote]

Good.

You may want to consider a kit.
RLR industries makes the best for the size you want.
http://www.trebuchet.com/

Or if you don't want to go with a kit, I've attached a basic starting plan below designed as a "Small" trebucher by [b]The Gray Company[/b].  This is a TableTop model but it can be made larger by multiplying the primary dimensions by 4.
Note: not everything gets multiplied.
We can talk more about that later when you get to the hardware and counterweight.

Another plan like that is the [b]Ingenium[/b] by [b]The Gray Company[/b].
Details for the Ingenium can be found at: http://www.tasigh.org/ingenium/medium.html
This model should fit your needs nicely.

http://www.ripcord.ws/
Ripcord's Trebuchet site is my favorite for beginers and seasoned trebuchetteers alike.
Ripcord gives you great building tecniques and understanding into the principles of leverage artilery in a light and easy to understand way.
Ripcord's Tennis Ball Treb is [i]perfect for snowballs[/i].

If you need help along the way, please sign on with theHurl.org and post a discussion thread.
Then you can have direct contact with over a whole world of hurlers and post your answers back here.

Word:
Trebuchets are not toys. The small ones shown in the kits and plans are powerful enough to smack you really good if you get careless. Throwing snowballs is the perfect time to get careless.
So, if you build larger you will run the risk of maybe getting more pain for your gain.
Smashed fingers and cracked skulls are common.
WHACK has new meaning with a trebuchet.

ChuckRocks
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« Last Edit: Oct 10th, 2009 at 5:51pm by ChuckRocks »  

Basic_Plans.gif (12 KB | )
Basic_Plans.gif

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Curious Aardvark
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Re: Construction of a trebuchet?
Reply #12 - Oct 8th, 2009 at 12:46pm
 
I've thrown teddy bars across a graveyard with a trebuchet.

Nothing practial to add - just thought I'd mention the above lol
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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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David Morningstar
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Re: Construction of a trebuchet?
Reply #13 - Oct 8th, 2009 at 1:25pm
 

Ripcord's website hasnt been up for ages. Is that where we got the six-hole pouch from?
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HurlinThom
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Re: Construction of a trebuchet?
Reply #14 - Oct 8th, 2009 at 9:45pm
 
Rejoice! Rip's site is again available, though in a slightly reduced form due to constraints on the new server. The L&B pouch can indeed be found there.

http://members.localnet.com/~lorilee35/

Woonilstra, I suggest you check the site out. It is the best compilation of basic trebuchet information around. I don't recommend his treb design, which is actually really efficient but full of odd angle cuts and hardwood ripped to funny dimensions.

CuriousA, was that some sort of Druidic rite with the Teddy?



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When all is said and done more will have been said than done.
 
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