I’m a first-year coach and I’ve been doing some research on my own time for designs that actually reach the high goal. I’ve seen youtube videos and rebuilt the bots exactly as is, it reaches the high goal, but its well over the height limit. Same thing for designs I’ve seen in person. Not sure if the rule isn’t being reinforced at competitions but the robot that reached the high goal absolutely did not stay under the 15" height limit. My student actually pointed it out to me, and when he brought it up, it was just shrugged off by the team. I give my students pointers for a more consistent design, but for my robot that I spar off with them, I would like to reach the high goal.
I can assure you that it is possible to reach the high tower without reaching over 15”
Controlling the cube from the middle or bottom makes it easier.
One of the ideas my team brainstormed, tested and decided not to use was a claw that would use axles pushed through the holes in the beams making up the sides of the cube.
One of my friends in iq uses an active claw. They go all the way down, expand the claw, which holds the cube in place, and lift.
If you suspect a robot at an event is exceeding the height limit during a match (or violating any similar rule), you should politely bring your concerns to the event’s head referee or event partner.
There are multiple designs that can get the green cube onto the high platform and not go over the 15" height limit. Even picking up the cubes from the top and without being motorized like a claw. Here’s an example from the sister team to my daughter’s team What is better, Stretch or Flex for VEX IQ Squared away? - #24 by spaghetti_code.
Basically, a simple rotating arm… not a 4 bar or parallel bar… just a simple rotating arm will do it. My daughter’s team and my son’s team all have passive mechanisms on simple rotating arms on their robots.
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