Sprocket sleeve question

[GeoffP]

Originally Posted by macwhoo

Yes, we have the key, but we're a little worried it won't hold, so better safe than sorry. What are the pro's for the meal tubing as opposed to plastic? As a rookie team, we really want to consider all our options. Excuse me, but what are ID and OD, please? (As I said before, we represent the word 'rookie' in all of it's forms!)

if the outside diameter (OD) of the shaft is the same size as the inner diameter (ID) of the sprocket, then there is no room for a collor or sleeve to fit in-between the two. The key fits into both and locks them from turning relative to each other. This is by far the best way to make the two mate together without slipping. if you need to make the sleeve, use metal on a drive spocket. the plastic will undergo to much force and will deform, fail, and slip. You can use a plastic sleeve if it is just a wheel to an axel or something.

good luck.