Choo Choo mechanism problems

[gbr]

There’s a good discussion here that may help out your student. Best of luck.

Vex pins not able to withstand catapult power

Alright, it doesn’t look like I will be getting engagement on this post and no one has just straight up posted the solution I was going to work towards (though some are eluding to it). At the risk of soundling like some other forum users, I’ll talk to myself. Please enjoy this internal monologue that has become external. Well, Brandon, if I have to identify a problem… I’d say the catapult is too strong for the pins on the choo-choo mechanism. But I can’t make the catapult any weaker, because it…