How does a truss rod work?

[KBDkaTana]

Hi guys,


We all know what a truss rod does, but how does it actually create the bow in the neck? I've searched the web but can't find an explanation. Do you have any good links.

[jdr94]

it creates or relieves tension.
heres some info

http://en.wikipedia.org/wiki/Truss_rod

[ulijdavid]

http://www.warmoth.com/Guitar/Necks/Anatomy.aspx

Click on "truss rods explained"