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https://www.docfizzix.com/products/part ... 60df.shtml
Would the doc fizzix braking system be good for this? Also, how do I make sure my threaded rods don't slip out of my ball bearings?

Hey everyone, this is my first time posting on this forum, so sorry if I'm saying something that's already been asked, as I am not entirely sure of the format of this site. My question is, what is your guys interpretation of the part of the rules that says: "Only non-electric sighting/aiming ...

For out parachute, could we use balloons to slow the descent?

Is there a difference between the different colors of banebot wheels preformance wise. Also, is there a difference between the T40 and T81 performance wise?

I need help on how to make sure the gravity vehicle stops at the right place.

Are we allowed to just start the vehicle at the end line and roll it back to the start line to set up a wingnut braking system?

How to I make a measuring device to make sure my car breaks at the tight point? Are we allowed to put the car on the end line and then just roll it back to the start point to set up the braking system?