Air Trajectory B/C

[Whiteheat073]

I've been doing some research, and it seems that the ping pong ball has yielded the best results as a projectile. Would you agree?

What I have observed from teams at Nationals was that Ping Pong balls were the most common for the simple reason that they are the only plastic ball that will fit 1 1/2 in PVC. Finding PVC for plastic golf balls and the other balls is extremely difficult. unless you have found it, go with ping pong ball.

Ok. Thanks for the tip!

[Whiteheat073]

Does anybody know a good wood material to use for my trebuchet?

[windu34]

Does anybody know a good wood material to use for my trebuchet?

2x4's come to mind

[Whiteheat073]

Does anybody know a good wood material to use for my trebuchet?

2x4's come to mind

thanks

[Whiteheat073]

Does anybody know a good wood material to use for my trebuchet?

2x4's come to mind

thanks

Any idea how much about 3 meters would cost?

[windu34]

Any idea how much about 3 meters would cost?

~$5
2x4's are cheap

[Whiteheat073]

Any idea how much about 3 meters would cost?

~$5
2x4's are cheap

ok. Thanks

[bernard]

Any idea how much about 3 meters would cost?

~$5
2x4's are cheap

ok. Thanks

Really depends on the kind of wood you're getting. The "good looking" wood is not surprisingly going to cost you a lot more (sometimes making your project cost 5 times more). If you're on a budget, as a lot of students are (and it really doesn't have to look beautiful to win), some home improvement or lumber stores sell scrap/damaged wood for less; I think I've seen it at 70% off sometimes. If your device ends up being a bit wobbly, add some metal brackets or add some wood supports to your angles.

[Whiteheat073]

Really depends on the kind of wood you're getting. The "good looking" wood is not surprisingly going to cost you a lot more (sometimes making your project cost 5 times more). If you're on a budget, as a lot of students are (and it really doesn't have to look beautiful to win), some home improvement or lumber stores sell scrap/damaged wood for less; I think I've seen it at 70% off sometimes. If your device ends up being a bit wobbly, add some metal brackets or add some wood supports to your angles.

Good to know; Thanks!

[Whiteheat073]

Really depends on the kind of wood you're getting. The "good looking" wood is not surprisingly going to cost you a lot more (sometimes making your project cost 5 times more). If you're on a budget, as a lot of students are (and it really doesn't have to look beautiful to win), some home improvement or lumber stores sell scrap/damaged wood for less; I think I've seen it at 70% off sometimes. If your device ends up being a bit wobbly, add some metal brackets or add some wood supports to your angles.

Good to know; Thanks!

I don't really care if my trebuchet is pretty, so I will probably buy the "not-pretty" wood.