[Amps] Fw: Digital read out

[Jim W7RY]

> I'm using some 20 volt digital meters that I bought on Ebay. The pots are 
> 10 turn with a 3:1 gear reduction... So they will go 30 turns. I bought 
> the plastic gears and plastic chain from Small Parts.
>
>
> I'll hook the pots up in a simple voltage divider fashion and power them 
> from regulated 12 volts so the readout will go from 0 to 1200. I wont use 
> the decimal point in the digital meters.
>
>
> I'll have some pictures soon but I don't have the pots mounted yet. I'm 
> working on getting the grid compartment built and the tank section.
>
> 73
> Jim W7RY
>
> ----- Original Message ----- 
> From: "John E" <johne at tds.net>
> To: <amps at contesting.com>
> Sent: Wednesday, February 25, 2009 6:02 PM
> Subject: [Amps] Digital read out
>
>
>> Some time ago I came across a operator that was using Potentiometers
>> with roller inductors and variable caps to indicate their position via a
>> meter or digital read out.
>>
>> Have looked the web over and can not find this info.
>>
>> Any one know where it is ? or know what ohm  and turns work out ? or
>> gear ratio ?
>>
>>
>> Thanks de John KØCQW
>> _______________________________________________
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>> Amps at contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
>
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