Ball link reamer

From RC Helicopter Wiki

A ball link reamer or ball link sizing tool is a ball with one or more small curved blades on it. By carefully moving it within the socket part of a ball link, part of the link is cut away, allowing the linkage to move with less resistance. If too much of the socket is cut away however, slop will be introduced into the controls.

A ball link reamer can be improvised by using a spare ball link ball scored with a knife or roughened by gripping with pliers.

[edit] External links

• Ball links 101 by Finless Bob on Helifreak, covers how to use a ball link reamer.