[Collins] Collins 310B-3

[Gerald]

On Sat, 2005-08-06 at 01:31 +0000, John Page wrote:
> I have just come by a very nice 310B-3 and need the groups help. The slugs 
> were all stuck and several broke. I was able to repair all but one and its 
> past help. Would anyone have a coil slug that is 1/4 inch in dia. And 1 inch 
> long. The screw part is 1 inch long.
> 
> Also this one does not have the plug in coil for the final. Someone in the 
> past has put in a B&W BTEL turret switch assy. Was this a common mod? The 80 
> meter coil was missing but I actually had one and after installing it on the 
> turret switch it now works on 80. Had a shorted cap across the 40 meter 
> coil. Got that out and now 40 works. I am getting around 15-18 watts out on 
> all but 10 meters. The coil slug I need will fix 10 meters.
> 
> This unit really cleaned up nicely and wont even need a cabinet over spray. 
> Thanks in advance for any help or advice. John
> 
> John Page K4KWM

Its possible all the slugs aren't the same. They can have been made of
different permeability materials for different frequency ranges. I know
that's the case in receivers. Is there any paint on the slug? Paint was
often used to color code slugs for material and frequency range.


-- 
73, Jerry, K0CQ, Technical Advisor to the CRA
All content copyright Dr. Gerald N. Johnson, electrical engineer