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What would be a good wheel that you could use for a FAT? I'm using roller blade wheels but something tells me I can get better.

i have built a trebuchet , and every part of it works except the sling. i was wondering if their was any websites with sling release plans

disownedpear wrote:i have built a trebuchet , and every part of it works except the sling. i was wondering if their was any websites with sling release plans

I don't know about sites that have what you're looking for, but I can try to explain.
Attach one end of your sling to the end of your arm, and then put a nail into the same side of the arm at a slight angle. Tie the other end of your sling to a nut or something and slide that onto your nail.

I can try to look for some pictures but I hope that made enough sense by itself.

Im with pear in STC and was wondering, how do I make a quick-release or whatever its called sling? When you fire and part of the sling falls off? Also, what are some good materials for slings?

fleet130 wrote: (Edit: I found the info on the energy rule. I have not validated it against the current rules.)

Does the energy rule apply to only Division C competitors?

Also, what do the rails and arm on a FAT trebuchet do?

JSGandora wrote:

fleet130 wrote: (Edit: I found the info on the energy rule. I have not validated it against the current rules.)

Does the energy rule apply to only Division C competitors?

There is only Div B STC.

JSGandora wrote: Also, what do the rails and arm on a FAT trebuchet do?

it's what makes the trebuchet work! You can't have a fat without them. The arm will have wheels and an axle and those roll on the rails, and the arm is what will hold the counterweight and sling. To get a good idea of a FAT you really need to see a video, I recommend this one.

One word: LUBE
it will help A LOT

Are we allowed to use a model kit with everything needed in it to build a trebuchet as long as the trebuchet fits in the guidelines?

alongusername wrote:Are we allowed to use a model kit with everything needed in it to build a trebuchet as long as the trebuchet fits in the guidelines?

Yes, I think it's actually mentioned in the rules that you can do that.