• Day 70

    Today we tested the cube catapult after we got all of the pieces made. The results were interesting. The original idea wasn’t to launch the cube over the robot, but off the back side. But that didn’t have enough power. Over the robot didn’t work that well either, consistency issues and the cube goes too…

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  • Day 67

    The chain conversion on the second stage of the arm finally got all the way put together. It was slow going because we had to resolve some clearance issues that were missed in CAD. Now there is a new problem with the gear box, it flexes a lot when powering the arm down. Watch the…

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  • Day 63 and 64

    Over the past two days we’ve been working hard to get both robots up and running. The practice bot got its arm and intake attached. Tonight it’s arm ran for the first time. It took longer than desired to get everything working because we had to clean up messy wiring along the way. The practice…

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  • Day 61

    Its been a bit of a slow week for the team, everyone is recovering from competition at Waco. That hasn’t stopped us from releasing the chain driven iteration of the arm’s second joint. The new chain powered arm has two idlers at the top so we can route the chain inside of the arm’s poly…

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  • Day 59

    Today was the first meeting after the Waco district event, we have a routine that we do after every event. First we start with story time where the team shares funny, unique or surprising moments. Next we do a blameless postmortem where we talk about things that went well and things that went poorly. The…

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  • Thursday Waco is only a short trip(less than 2 hours) from out shop in Austin. This allowed us to spend the morning in the shop making last minute adjustments to autonomous and arm control logic. There were two small problems that happened in the above video, they’ll happen again. The robot was loaded on the…

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  • Day 53

    The team leaves tomorrow afternoon for Waco. That means tonight was hectic to say the least. The team was busy packing, fine tuning code, fixing the final remaining problems and finishing documents. We got 18 lbs of ballast added to the back of the robot, it isn’t that pretty but it was quick and it…

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  • Day 50

    The next iteration of intake went on the robot today. There was a clearance issue with the motor and the sweeper plate that had to get fixed by hand but everything else fit together. Below are two gifs, our first time intaking a cube and the first time scoring it into a high node. We…

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  • Day 49

    Its been a busy past few days. The arm movement speed was increased on both joints, its at a good spot right now. But faster is always better? If we get really good at cycling and lining up in the next few days we might try to increase the speed of the arm again. Right…

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  • Day 47

    The gearbox for the arm was reinforced by adding doubling the number of standoffs by the choochoo wheel. This made the gearbox super rigid and it doesn’t flex when the arm extends any more. That’s the short term fix to buy us more testing and driving time until the real fix is manufactured. The real…

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