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By: KohKohPuffs
New: 23-09-2015 18:38
Updated: 23-09-2015 19:11
Views: 986 times
T shirt cannon for offseason CAD practice; I don't really see this becoming an actual thing on my team, but it's good practice.
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23-09-2015 19:30
asid61
Re: pic: T-Shirt Cannon
Very cool! What gearbox are you running? Is this a WCD or a chain in tube?
How are you indexing the barrels?
I see some heavy 254 influence in this 
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23-09-2015 19:59
KohKohPuffs
Re: pic: T-Shirt Cannon
Oh that's right, I never showed you this b/c I put this on 649's GrabCAD.
I'm using custom 1-cim gearboxes. Reason is that I see no need for using a lot of power on drive ... unless the robot is going uphill.
This is a WCD with chain outside the tube. It's kinda hard to see it in the render, but in the tank mounts I made some cuts in order for the chain to pass through to the other sprockets.
And barrel indexing is using an encoder (not shown b/c I'm an idiot) and a piston which latches in countersunk holes in the barrel plate (it's the same thing from my first one in TSC-102 in 115's offseason GrabCAD).
I've taken a good look at 254's Shockwave at Chezy Champs, and I kind of see how the indexing system works, but I'm still chewing on it
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