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Author Topic: I bet mine is bigger than yours  (Read 2403 times)

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Offline Newindian

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I bet mine is bigger than yours
« on: May 13, 2015, 03:03:10 pm »
This won't be finished for a while, but this is the base of a trebuchet I'm building. 14.5' to the lever axle and when finished it will be 35' tall and have a 1000-2000lb counterweight
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Offline PEARL DRUMS

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Re: I bet mine is bigger than yours
« Reply #1 on: May 13, 2015, 03:37:39 pm »
The neighbor kids have one almost exactly that size. It hasn't been used in years. Pretty cool contraption all the same.
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Offline Stoker

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Re: I bet mine is bigger than yours
« Reply #2 on: May 13, 2015, 03:46:38 pm »
Cool... Nice seige engine... I'll plant some pumpkins fer ya...
Thanks Leroy
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Offline JackCrafty

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Re: I bet mine is bigger than yours
« Reply #3 on: May 13, 2015, 03:49:49 pm »
 8)
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Offline Parnell

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Re: I bet mine is bigger than yours
« Reply #4 on: May 14, 2015, 08:56:24 am »
That's cool.  I built one about 3 years ago with my students.  Lotta work.  What will you do for a trigger mechanism?
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Offline Newindian

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Re: I bet mine is bigger than yours
« Reply #5 on: May 14, 2015, 10:56:24 am »
Quote from: Parnell on May 14, 2015, 08:56:24 am
That's cool.  I built one about 3 years ago with my students.  Lotta work.  What will you do for a trigger mechanism?
Haven't quite decided yet, but I've been thinking about (hard to describe) a rotating wheel that has two arms coming of it. One will have a slight curve which will fit through an eyelet on the arm and the other longer arm will have a pull string( might rig the end of the string to a board that can be hit with a sledge if it needs to be quicker)
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Offline Del the cat

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Re: I bet mine is bigger than yours
« Reply #6 on: May 17, 2015, 05:04:37 am »
Slip hook, I believe is the term for that sort of release.
Mine is waaay smaller than yours ::)
I made a miniature siege engine way back, had pictures with some pet gerbils 'manning' it... well 'Gerbilling' it I s'pose  :laugh:
Took some stop action pics in a darkened room with a flash linked to the arm of the engine... before digital cameras.
It shows the action of the sling lobbing a marble.
Del
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