Originally Posted by piotrsko
a 15K ohm pot 270 degree linear taper is 5K at 0 to 90 degrees.
270 / 60 = 4.5 so for 60 degrees you need 22.5 K pot linear taper rounded to 25 K.
That is exactly how one of my cheaper pot boxes is made. It is a 15k pot and the box has hard stops limiting it to 90 degrees of travel. It works okay but I've decided to go to a HEPA input instead.