Bushing modification
Revision as of 01:03, 19 October 2005 by Boilingleadbath (talk | contribs)
Take a file (or dremmle, lathe, whatnot), and remove the lip from the inside of a bushing. This allows the pipe to go through the reducing bushing.
This is done to allow co-axial launcher construction.
Bushing in black:
