Adjusting Lost Motion in a Vertical Piano

Lost motion in a vertical piano is the amount of movement the key is able to make before the jack engages the hammer butt.  Having too much lost motion results in a loss of energy and makes the key movement inefficient.  Here are links to the tools used in this procedure:


Parts and Supplies Needed:

- Universal Capstan Regulator
- Square Capstan Screw Wrench
- Piano Capstan Screwdriver
- Piano Capstan Regulator with Wood Handle
- Stainless Steel Rule


We have a DVD available which includes this video as well as 12 other videos on vertical piano regulation available here in our store: Vertical Piano Regulation Videos on DVD 

Products used in this video: