David Lesher wrote:

So which way would you design it to rotate? Why?

In a direction such that the fastener would tend to tighten. Why? Because is is obvious.

'The worthwhile problems are the ones you can really solve or help solve, the ones you can
really contribute something to."

Justify your response. 10 points. Responses quoting Feynman get extra
credit.

Question 2: Suppose your firm choose badly. How would solve it in the
field?

a) Epoxy screw into place

b) Throw arm away, with screw; tell customer it's an upgrade.

c) Figure out how to get screw to stop doing that.


C) Can you put a small oring on shoulder screw to give shoulder added friction?

Wes