[Boatanchors] A challingling problem with a National NC-300

[Garey Barrell]

A little more information might help.

#2 chain balls are 0.082" dia, and there are "approx" 113 balls per inch.

#3 chain balls are 0.0837" dia, and there are "approx" 100 balls per inch.

73, Garey - K4OAH
Glen Allen, VA

Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
<www.k4oah.com>



Brian/VE3UU wrote:
> Here is the problem in a nutshell. The dial drum with the band markings on 
> it does not track the band switch. To elaborate, when the dial drum is set 
> to properly display on the lowest band, whenever I rotate the band switch, 
> the display rotates 1/8th of an inch more than it should. This results in 
> the display being seriously out of sync with the band switch position.
>
> Also the actual band switch seems to be rotating slightly more than it 
> should with each detent of the band switch knob. (Are you confused yet? I 
> certainly am!)
>
> We've checked the size of the dial drum and it's the proper size. It seems 
> that the knob is rotating very slightly more than it should.
>