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Re: [Amps] Variac knob wanted, with 3/8 hole - Addendum

To: Alek Petkovic <vk6apk@bigpond.com>
Subject: Re: [Amps] Variac knob wanted, with 3/8 hole - Addendum
From: MU 4CX250B <4cx250b@miamioh.edu>
Date: Sun, 30 Sep 2018 06:45:53 -0700
List-post: <mailto:amps@contesting.com>
Jim, in digging a little deeper in my knob bin, I found a variac knob
with a 3/8 inch hole, two set screws, 2-3/4 diameter. Same price
(free) as other knob.
Jim w8zr

Sent from my iPhone

> On Sep 29, 2018, at 5:56 PM, Alek Petkovic <vk6apk@bigpond.com> wrote:
>
> Same problem here.
>
> To get me out of the woods, I had a piece of 1" x 3/8"aluminium bar lying 
> around. I cut it to length and drilled a 3/8" hole through it and then a hole 
> right through the side, to take a M5 tap. I stuck a M5 screw in each side, in 
> lieu of grub screws and used the hacksaw to cut a groove in the end of the 
> bar, to act as a pointer.
>
> Rough enough and good enough until something better is found.
>
> 73, Alek. VK6APK
>
>> On 27/09/2018 10:44 AM, Jim Thomson wrote:
>> I desperately  require a knob for my small variac.  The shaft is  3/8"  
>> diameter.   The max skirt I can handle is
>>
>> 3"...and maybe  3.25" max.   At this point  I will use anything I can get my 
>> hands on....as long as it has a 3/8" hole for the  3/8"  shaft.
>>
>>
>>
>>
>> I checked  my supply of knobs....and they are all  the usual  1/4".    And 
>> none of em can be machined out to 3/8"  either.
>>
>>
>>
>>
>> If  anyone could help,  it would be much appreciated.  I just require one 
>> knob, thats  it.
>>
>>
>>
>>
>> Jim  VE7RF
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>>
>>
>
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