Trebuchet?

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Re: Trebuchet?

Postby VERYDUMBNAME on Mon Nov 17, 2008 1:31 pm

do it on awash
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Re: Trebuchet?

Postby cm.hawes on Mon Nov 17, 2008 7:00 pm

In my opinion, I don't quite think the recent posters fully grasp the concept of a full blown trebuchet in the construction of their contraptions.
Seems to me that one of the most important mechanical aspects of a trebuchet is that it be gravity powered, since a trebuchet is a medieval siege weapon (where they didn't have magical wheels that spun because they have rods attached to the center that you could string together to make more powerful...). One poster did key in on that aspect, but he neglected the other important mechanical aspect of the trebuchet, the fancy sling-release bit that would give an idea throwing arc and release point.

Of the designs I've seen, I think my trebuchet design has captured the essence of a trebuchet best. But I would enjoy seeing someone offering a better design.
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Re: Trebuchet?

Postby migass1 on Mon Nov 17, 2008 7:22 pm

This is my fake cool lookin trebuchet FAKE[quote][/quote]
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Re: Trebuchet?

Postby migass1 on Mon Nov 17, 2008 7:24 pm

my FakE INterprentation of the trebuchet http://fantasticcontraption.com/?designId=362
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Re: Trebuchet?

Postby VERYDUMBNAME on Mon Nov 17, 2008 7:56 pm

you are right about being gravity powered but when people think of trebuchet they think of the sling part
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Re: Trebuchet?

Postby sirbrent on Tue Nov 18, 2008 12:06 am

cm.hawes wrote:In my opinion, I don't quite think the recent posters fully grasp the concept of a full blown trebuchet in the construction of their contraptions.
Seems to me that one of the most important mechanical aspects of a trebuchet is that it be gravity powered, since a trebuchet is a medieval siege weapon (where they didn't have magical wheels that spun because they have rods attached to the center that you could string together to make more powerful...). One poster did key in on that aspect, but he neglected the other important mechanical aspect of the trebuchet, the fancy sling-release bit that would give an idea throwing arc and release point.

Of the designs I've seen, I think my trebuchet design has captured the essence of a trebuchet best. But I would enjoy seeing someone offering a better design.

yeah, i am fully aware. it has the counter weight connected directly to the end opposite of the throwing arm. here is one..
Image
there are just too many things that are too difficult to replicate in FC. for one, if you try to make your counter weight, you have to make a bunch of sticks to get it effecient, but then the problem is, they arent stable. they flop around and move too much on thier own. so the ones i have been posting are gravity powered, its just in a way that works here in FC is all. i made a little trebuchet in shop class in middle school before, trust me i know what it is :D


ETA::
here you go VDN
http://FantasticContraption.com/?designId=4284537
i didnt do awash, i did it on 4 balls, it had the biggest work space without a :srect: directly over it. it doesnt complete the level, but it works well as a trebuchet. its not near as good as the ones on my bigger work area, but hey, i think it gets the point across :D
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Re: Trebuchet?

Postby amclark on Tue Nov 18, 2008 8:48 am

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Re: Trebuchet?

Postby VERYDUMBNAME on Tue Nov 18, 2008 9:00 am

well tecknicly it is because tebuchets don't have to have a sling as long as its powered by gravity, but almost all trebuchet did have slings
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Re: Trebuchet?

Postby medal12 on Tue Nov 18, 2008 10:03 am

stever321 wrote:Thats just a lever.


acctualy this is a lever: LEVER
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Re: Trebuchet?

Postby fizzo on Tue Nov 18, 2008 11:58 am

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Re: Trebuchet?

Postby jonnychoob on Tue Nov 18, 2008 12:14 pm

NightStryke wrote:You can't actually make a true trebuchet in this game, due to the fact that a trebuchet has one long arm with a pivot point around the middle; the second link by rush was pretty much as close as you can get to one.


http://FantasticContraption.com/?designId=4296665

It's easy to make one long arm with a pivot point in the middle... i'll probably make a trebuchet at some point...
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Re: Trebuchet?

Postby jonnychoob on Tue Nov 18, 2008 12:59 pm

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Re: Trebuchet?

Postby krakaror on Tue Nov 18, 2008 3:06 pm

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Re: Trebuchet?

Postby cm.hawes on Wed Nov 19, 2008 7:34 am

sirbrent wrote:
cm.hawes wrote:In my opinion, I don't quite think the recent posters fully grasp the concept of a full blown trebuchet in the construction of their contraptions.
Seems to me that one of the most important mechanical aspects of a trebuchet is that it be gravity powered, since a trebuchet is a medieval siege weapon (where they didn't have magical wheels that spun because they have rods attached to the center that you could string together to make more powerful...). One poster did key in on that aspect, but he neglected the other important mechanical aspect of the trebuchet, the fancy sling-release bit that would give an idea throwing arc and release point.

Of the designs I've seen, I think my trebuchet design has captured the essence of a trebuchet best. But I would enjoy seeing someone offering a better design.

yeah, i am fully aware. it has the counter weight connected directly to the end opposite of the throwing arm. here is one..
Image
there are just too many things that are too difficult to replicate in FC. for one, if you try to make your counter weight, you have to make a bunch of sticks to get it effecient, but then the problem is, they arent stable. they flop around and move too much on thier own. so the ones i have been posting are gravity powered, its just in a way that works here in FC is all. i made a little trebuchet in shop class in middle school before, trust me i know what it is :D


ETA::
here you go VDN
http://FantasticContraption.com/?designId=4284537
i didnt do awash, i did it on 4 balls, it had the biggest work space without a :srect: directly over it. it doesnt complete the level, but it works well as a trebuchet. its not near as good as the ones on my bigger work area, but hey, i think it gets the point across :D


Nice to see a few pockets of intelligence out there... haha anyways you say that FC limitations make it difficult to create an accurate replication of a trebuchet, and I agree that alot of things are difficult to build in FC due to the physics modeling it employs. But I think with smart designing you can overcome a fair amount of that, and specifically that you can make a pretty decent accurate trebuchet (not that it's a feasible contraption to solve puzzles or anything, just fun). Did you check out the one I put together on someone's custom trebuchet map? Here's the link for it:
http://FantasticContraption.com/?designId=4256449
It could definitely be cleaned up and optimized a bunch, but what do you think as far as accurately capturing the mechanical essence of a trebuchet? Do you have any better ones?
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Re: Trebuchet?

Postby sirbrent on Wed Nov 19, 2008 8:31 am

very nice, maybe ill try one w/ the weight on the arm next time. (pysically speaking) it just seems more efficent if you have the weight right on the wheel. there is less over all capacity for torque, but if you have a big arm, there is less room for movement. but you can easily over come the lack of tourqe with a huge :woodrod: weight lol

but yeah, like i said, ill give it a shot soon
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Re: Trebuchet?

Postby benstaples on Wed Nov 19, 2008 10:07 am

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Re: Trebuchet?

Postby VERYDUMBNAME on Wed Nov 19, 2008 10:55 am

any trebuchet on a mems map doesn't count
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Re: Trebuchet?

Postby sirbrent on Wed Nov 19, 2008 6:44 pm

its close, but that is the problem w/ the weight like that, you cant have it attached directly to the arm in FC. if you do, then the there isnt enough rotational speed, you have to have your weight drop on something that will pull the arm around. at least in my experience.

aww come on verydumbname, why not? we paid good money for it, lol
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Re: Trebuchet?

Postby cm.hawes on Fri Nov 21, 2008 4:16 pm

Alright so I took another crack at building a trebuchet and I have to admit, I am pretty proud of this sucker.

I optimized the pivot mechanism and sling and release mechanism to be as light (minimal pieces), strong and simple as possible, as well as making the counter-weight as heavy, strong and immobile (seems to help the whipping quite a bit) as possible.

Doing that and adding the wheels that give it the neat rebounding movement (that I`m sure I`ve seen in medieval type movies and actually helps the throwing power) have made it a surprisingly effective throwing machine when I upped the brown sticks in the counterweight while still remaining pretty faithful to an accurate trebuchet design in two dimensions (on a side note, I wonder if there`ll ever be a FC in 3D...)

I`ve managed to pretty much max out the throwing room in the map I built it on without having to max on brown bars. Let me know what you guys think.

http://FantasticContraption.com/?designId=4399772
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Re: Trebuchet?

Postby josh :D on Sat Nov 22, 2008 12:17 am

Okay here's a remake of some other person's trebuchet


http://FantasticContraption.com/?designId=4411587

Haha also very new to this is there messaging??


or signatures?



:woodrod: :waterrod: :cwheel:
:woodrod: :waterrod: :woodrod:
:woodrod: :waterrod: :woodrod:
:goalc: :waterrod: :cwheel:

Try and figure this out


Hint: In fling's stuff :D
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