How to attach chop Cho

How don’t know how to attach the cho Cho to the catapult. Please help me.

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I wouldn’t do a choo choo mechanism, try a winch.

watch Chuwbotcta’s video for their design. Trust me, It is crazy!

So on your advice I went here: https://www.youtube.com/watch?v=fAn5XM6vOHw

and watched. Very good video. I also looked at their submission to RECF of the PDF they wrote https://challenges.robotevents.com/uploads/0025036_original.pdf which is also very nice.

Thanks for the tip!

(There are a number of other cool entries this year, check them out. Entries for Build Instruction Guide - Middle School | Online Challenges )

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