21-01-2021, 03:54 PM
(This post was last modified: 21-01-2021, 03:56 PM by boater sam.)
Intrigued by your "running cap" for the tuning capacitor, never heard that before.
If it is shorting at one end, examine it closely to see if the gap between all the vanes is equal. It is adjustable by tightening or slackening the back bearing.
See if there is a distorted vane or one with a ding in the edge. Any grit in between?
If there are outer moving vanes obviously bent - beware - if they are touching the fixed vane then alter them but often the outer vanes are bent out away from the last fixed vane in alignment to minutely adjust the tracking of the capacitor.
If it is shorting at one end, examine it closely to see if the gap between all the vanes is equal. It is adjustable by tightening or slackening the back bearing.
See if there is a distorted vane or one with a ding in the edge. Any grit in between?
If there are outer moving vanes obviously bent - beware - if they are touching the fixed vane then alter them but often the outer vanes are bent out away from the last fixed vane in alignment to minutely adjust the tracking of the capacitor.
Boater Sam.
