Want that Extra RPM out of your T-Jet Motors.
Use this Tool To Check the Run Out of T-Jet Armature Comm Plates.
Tweek the plate around until you achieve under .001 Run Out or better then glue the plate to the Winding's.
Also can be used as a Fixture to Grind the Outside Diameter of the Stacks.
Then Send out for Balance or Razor Blade Balance.