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Re: [Amps] Vernier dials, have one but...

To: sub1@rogerhalstead.com
Subject: Re: [Amps] Vernier dials, have one but...
From: TexasRF@aol.com
Date: Sun, 4 Oct 2009 09:18:24 EDT
List-post: <amps@contesting.com">mailto:amps@contesting.com>
 
The rich kids ordered the Space Spanner with band switch. Us poor boys had  
to order the Ocean Hopper and a new plug in coil as we could find the $$ to 
 order.
 
Ah! The good old days!
 
73,
Gerald K5GW
 
In a message dated 10/4/2009 12:03:45 A.M. Central Daylight Time,  
sub1@rogerhalstead.com writes:



Charles Harpole wrote:
> i bought mine from Allied  Radio in about 1962 to gain some fine tuning 
on my Space Spanner regerentative  control.  If you remember all of that, YOU 
ARE OLD.
>    
Guess so... That was my first receiver. I built one from a kit even  
before getting my license.

73

Roger (K8RI)
> Of  course, what you want was a common item back when parts were needed 
by people  and not by huge assembly companies (that only want one set of 
things).  I  remember multiple versions and sizes.
>
>  
>
> I  am keeping mine.  73,
>
> Charles Harpole k4vud@hotmail.com  
>
>  
>
>   
>
>
>
>
>  
>    
>> From: ToddRoberts2001@aol.com
>> Date: Sat, 3 Oct 2009  14:27:22 -0400
>> To: amps@contesting.com
>> Subject: Re:  [Amps] Vernier knobs?
>>
>> It sounds like for what you are  looking for you will have to make
>> something up from parts. A  vernier knob turns counter with a center
>> knob marked with perhaps  a degree wheel to count the increments
>> of each turn and a larger  separate outer circumference dial that turns 
more 
>> slowly to count  the individual turns 1-2-3 etc.
>>
>> If such a turns  counter was availiable these days I'm sure the seller 
would
>> want a  ridiculous price for one IE Surplus Sales of Nebraska.
>>
>>  There is a place that has 6:1 vernier drives for a 1/4" shaft  input
>> on each end, newly made in the USA and in stock for $11.50  each.
>>
>> 1N34A.com
>>
>> Go to their  PARTS section and look up vernier drives. I know some 
>> people gang  two of these together for a 36:1 reduction which 
>> would be close  to what you are looking for. Then you would have to
>> figure out  some way to couple the second shaft drive back up front
>> to turn  the outer circumference dial marked 1-2-3-4 turns up to 36 
turns.
>>  Plus you would need to couple off the front center knob for the  actual
>> drive to the roller inductor and vacuum caps. Perhaps a  small toothed 
>> belt drive off the front shaft would work here. I  bet the coupling 
could 
>> be done 
>> with a little  ingenuity.
>>
>> 73 Todd WD4NGG
>>
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>>   
>               
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