[Amps] tank coil heating

[R L Measures]

On May 10, 2006, at 4:54 PM, Partain, Chuck wrote:

> I'll go peruse the archives again but I'm going to post this here  
> anyway.
> I noticed while on 20m tonight running about a kw that the tank  
> coil was getting
> HOT, one of the wires connected to it (the 20m section) was turning  
> a nice shade
> of darker! the coil is warm.
>
> also When I pulled the cover (I was looking to see where all the  
> hot smell was comming from)
> I noticed that a doorknob cap I have installed next to the load  
> vacuum cap was also warm!
> i'm using that cap to get me on 80m its in parallel with the 1000pf  
> vacuum cap
>
> everyone I talk to with it said they notice NO noticible difference  
> when its on or off only
> a few s units higher! (no audible distortion)
>
> the cap I am using is labelled n4700

N4700 is not designed for tuned circuits, it's for coupling and  
bypassing.  N750 and NPØ are for tuned circuits.   Cheers, Chuck

> 591m 30kv  706h and has a c with an m inside of it.
>
> are these suitable for what I am doing? hell, its 30kv! why warm?  
> what should I be looking for?
> the amp seems to load up pretty good into the vertical with an swr  
> of less than 1.3 to 1
>
> thanks for any help
>
> chuck, ka1mwp
>
> the schematic is at
>
> http://home.comcast.net/~ka1mwp
>
>
>
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R L MEASURES, AG6K. 805-386-3734
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