[Elecraft] HEAVY KNOBS??

[Rick Dettinger]

Great!  That should be good for about a 1 kilogram knob.  Above that,  
we might need a double set of tapered roller bearings.

73,
Rick  K7MW


On May 27, 2012, at 12:18 PM, Eric Swartz WA6HHQ - Elecraft wrote:

> Ron is incorrect. The K3 has a ball bearing bushing in its VFO A and  
> B encoders.
>
> 73,
> Eric
> www.elecraft.com
> _..._
>
>
> On May 27, 2012, at 11:55 AM, "Ron D'Eau Claire" <ron at cobi.biz> wrote:
>
>> I wonder if anyone has studied the long-term effects on the encoder  
>> bushings
>> and shafts that must support those knobs? AFAIK, it's just a simple  
>> bushing
>> - no ball or roller bearing races - so all of the wear is on the  
>> lower side
>> of the bushing.
>>
>> Ron AC7AC
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