[petehoovie]

Originally Posted by Bored&Stroked

It is not as easy as you think - you have to balance each end of the rod separately and you have to have a fixture to hold one end and weigh the other and it has to be exactly repeatable each time you take the same rod on/off the scale.

I made a special fixture that has a big roller bearing for the big end, so I could accurately balance the small ends.

This should give you an idea:

Attachment 578800