233 telescoping arms how do they work?

[Steven Donow]

Originally Posted by Nemo

To the people who have posted in this thread: I just want you to know that after the school year ends, I'm going to devour the information in this thread, including both the pictures and written explanations. I am looking forward to trying to figure out the guts of one of these arms and working with some students to create a model of something we could build. Thanks very much for all of the posts.

If only it were possible for Pink or 254 to send everyone here an arm