[TowerTalk] Fwd: Inductor Design and Voltage Breakdown

[Doug Smith]

I’ve wound a bunch of inductors with 6 AWG and found this site to be helpful:

http://www.66pacific.com/calculators/coil_calc.aspx <http://www.66pacific.com/calculators/coil_calc.aspx>

73,
Doug, W7KF
http://www.w7kf.com <http://www.w7kf.com/>


> On Jul 31, 2015, at 11:43 AM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
> On Fri,7/31/2015 6:15 AM, Jim Lux wrote:
>> A quick run through Wheeler's equation says that a 3" diameter coil 2" long with 18 turns (basically closewound) will be 21.8 uH
>> [L (mh) = (R^2 x N^2) / 9R + 10B] 
> 
> Thanks, Jim. All comments appreciated. Do you know of any good calculators online that run through the equations for single layer coils like this?