Hi all, I’ve been away from the forums for a while, but have definitely been tinkering with some old and new projects! I’m back asking for thoughts on an interesting design challenge I’ve been given. I’ve been asked to design and build a launcher that shoots full bagels... Now naturally, I could sho...

Thanks for the inspiration! I've never truly left, but I got a serious engineering job out of school and that's moved me into an apartment and diverted my attention towards some more electronic/computer projects The more I think of it, the better a "frisbee" orientation seems to me, as far as the qu...

I ordered some parts today, and I think I have a pretty good plan! The Co2 system and 3-way valve have been working well, so the easy part is out of the way. For the barrel, I ordered some rectangular aluminum tubing 5" wide x 2" tall. This should fit most of the bagels I have in mind, and to create...

Update: I no longer know how to post pictures properly, but I’ve made progress on the build https://imgur.com/gallery/PcKwkWa Here’s an album of some detail shots of the barrel. All the parts are printed in ABS, but aren’t holding any significant pressure here. I won’t add the fillets into the barre...

Update: it works! I’ll probably make a separate post with some more details, pictures, and videos. Thank you to everyone for the inspiration and ideas, I almost forgot how satisfying a successful launcher is! It’s a simple concept, but somehow so unique and quirky

Is there any chance we're getting the old chat room back? The one that displayed who was in on the home page? In the new one, nobody is ever in at the same time because you can't tell who is in when you log on. Also, the fact that it lets you choose your own username has cause a lot of "trolling."