[Amps] tank calculations - need input

[ka1mwp]

Comet CV05c - 650n/5

Hooked up to a GME LC200 inductance meter

Watching the capacitance as I turn, not that it matters..
The issue is why does the amp need LOTS AND LOTS of capacitance :)



-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com]
On Behalf Of Roger
Sent: Saturday, October 17, 2009 10:45 PM
Cc: Amps at contesting.com
Subject: Re: [Amps] tank calculations - need input



ka1mwp wrote:
> Well, I can see turning it clockwise lowers the value...as I sit here
> and double check...
>
> Out is increasing value (CCW) it gets looser and opens the plates...
>
>   
That's backwards to mine.  Does the screw have right or left hand 
threads. If CCW would be backing the screw out it's pushing the plates 
closer together.  The screw should be held in place so it can only turn 
which pushes or pulls the plates in the opposite direction you'd think 
the screw would be moving.

73

Roger (K8RI)
>
> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com]
> On Behalf Of Bill, W6WRT
> Sent: Saturday, October 17, 2009 7:05 PM
> To: Amps at contesting.com
> Subject: Re: [Amps] tank calculations - need input
>
> ORIGINAL MESSAGE:
>
> On Sat, 17 Oct 2009 16:49:39 -0400, "ka1mwp" <ka1mwp at comcast.net>
wrote:
>
>   
>> its with the vacuum cap out all the way (max
>> capacitance)  and
>>     
>
> REPLY:
>
> That's backwards. All the way out (unmeshed) is minimum capacitance.
Is
> that
> leading you the wrong way?
>
> 73, Bill W6WRT
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>   
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