The base is 4" x 4" x 1/2" aluminum. ( I didn't have any steel plate on hand )
The base has a recess that allows the body to sit flush on the base.
4" x 4" x 1/2" aluminum plate and the center marked Using the 4 jaw chuck the center is drilled to 3/8".
A few thousands taken of the face. A recess was bored for the shoulder of the body
to fit in.
Completed base This is the bottom side of the base. I used a 3/8
countersunk allenhead bolt for attach the body.
The top of the bolt needs to be flush with the base.
The bolt length was ground to achieve a tight fit
while allowing the body and base to rotate freely.
Base and body. On the body there is a slight Assembled
recess (.010") to hold grease.
I applied a thin layer of grease before assembling.
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Copyright 2002 Steve Bedair