when you shoot backwards, does it go through the amp redirect a different way, or does it just shoot clear into the speaker?
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The elevator that the amp mechanism is on is wider than the shooter is. We raise the amp mechanism high enough for the shooter to shoot under the amp mechanism and not hit it. The shooter can actually fold far enough backwards to shoot from the midline backwards or forwards
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I love this robot. The amp redirect shot is slick and the backwards shot is a nice party trick that could open up a few fun improvements in auto.
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How did you design that amp mechanism without too many box tubes, it looks fire tho
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The elevator is done with 3/16 plates and stacked bearings. Similar to how youâd see on a lot of turrets. Uses a 5/8â OD bearing sandwiched by (2) 3/4â OD bearings on either side of the plate. So the plate is retained by the stacked bearings. That allows the elevator to not need cross tubes to keep the stages retained. Then itâs just standard cascade elevator rigging on either side on a 3d printed set of pulleys. Itâs surprisingly sturdy, but I still wouldnât put a major mechanism on this elevator. Itâs great for smaller/lighter things though.
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We werenât pushing really hard to be able to shoot backwards in the beginning. It was kind of just an odd idea, then we kept finding ways to make it work and it just ended up happening. It actually helps a lot with eliminating how much the robot needs to rotate when doing cleanup at the end of the field. Itâs able to fold all the way down and shoot full distance both ways. We just havenât gotten the software done enough to be able to do that yet. The trickiest part was getting the note to feed at such a great range of angles.
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Itâs fun when stuff like that happens, but it can also be kind of a design trap when you find yourself making decisions specifically to incorporate those features into the final design when they werenât actually part of the requirements list.
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Week 12 Update (Competition Next Week)
We will be competing at Battle at the Border next week (10/12 & 10/13), with our new offseason robot, and our original 2024 Robot âShang Chiâ.
Our Robots Meet!
Full Systems Test
Climb Test
- We realized we need a higher gear ratio and we will be making new brackets
- We also had a few issues getting hooked on the chain, and will be flipping the hook orientation
- The top of our amp mechanism also was getting caught on the side of the stage, so we will be changing the position of the guide wheels
One Note Auto!
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