[TCML] Table top Magnifier

[Barton B. Anderson]

Hi John and David,

The coupling is certainly 0.5 or better. If exactly at 0.5, then the 
primary starts slightly less than 3/8" below the secondary driver coil. 
If it starts exactly even with the secondary, then around 0.52. 
Antonio's INCA program will calculate the coupling exact as the data 
given to the program.

I didn't get to view this coil until after work tonight. It's a very 
"nice" looking maggy! Excellent workmanship David! Also nice output for 
this little maggy! The total transfer will occur in a single cycle at 
3.64us. Very fast compared to most coils. I think your quench gap is 
doing excellent.

I'm curious David, do you have a conductive disc covering the top of the 
secondary? I did this with my hybrid-maggy to suppress corona.

Take care,
Bart

FutureT at aol.com wrote:
> David,
>  
> Nice work on the magnifier.  Are you sure the coupling is that  tight?
> usually it's difficult to get it to 0.5.  Is that an oil insulated  secondary?
> Also you can use Antonio's formula to figure out the overall coupling  of the 
> entire
> system which will be much lower.  What is the total spark gap  spacing?
>  
> John
>
>
>
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