Home / Series / AvE / Aired Order / Season 2019 / Episode 71

BOLTR: Musical Reeds to measure RPM

This old tachometer uses music box type reeds to measure motor RPM without electricity. It's more useful than a digital Tach because it shows you resonant frequencies and can be used to check hammer and reciprocal speeds too.

English
  • Originally Aired June 25, 2019
  • Runtime 15 minutes
  • Network YouTube
  • Created July 11, 2019 by
    Administrator admin
  • Modified July 11, 2019 by
    Administrator admin