pic: Team 148 - 2011 - Raptor

[Bochek]

Originally Posted by Chris is me

I've got a question. This question isn't a criticism disguised as a question.

What reasons would a team want to deviate from the "standard" method of powering an arm by bolting a sprocket to it and chaining it off a high reduction gearmotor? Basically, what are the advantages of the cool linkage pushing up on your arm as opposed to driving the rotational joint of the arm?

I've never learned much about arms and I don't understand the advantage or disadvantage of either system, other than CG placement.

I had the same thoughts, and can't seem to find a reason besides CG.

Defiantly interested to know.

- Bochek