[TCML] charging reactors

[jimlux]

David Dean wrote:

> BTW I use the formula from the AARL handbook:
> L (uH) = 0.8 * a^2 * n^2 / (6*a + 9*b + 10*c )				
> where				
> a = average radius of windings 				
> b = length of the coil				
> c = difference between the outer and inner radii of the coil.				
> all dimensions in inches.  				
> 
> 


That's just the standard Wheeler equation:
http://home.earthlink.net/~jimlux/hv/wheeler.htm

found in lots of places.