After looking at that I am tempted to ask "who wants to wrap and send me some transformers/cores". What size did the original designer use? On Fri, Mar 14, 2014 at 11:44 AM, Joe Rocci <joe@xxxxxxxxxx> wrote: > Go to this web site and download the very excellent toroid calculator > program. It has all the information you need to deal with different types > of toroids. > > http://www.dl5swb.de/html/mini_ring_core_calculator.htm > > Also, be aware that you'll need a good ferrite material for the > transformers (type 43 or 61 typical), and low loss powdered iron cores for > the filters (type 2 or 6 typical). > > Joe > W3JDR > > ----- Original Message ----- > *From:* hcker2000 <hcker2000@xxxxxxxxx> > *To:* minima@xxxxxxxxxxxxx > *Sent:* Friday, March 14, 2014 11:24 AM > *Subject:* [minima] Toroid size? > > I need to pick up some toroid's for winding. does the size mater? Links to > some good sizes would be greatly appreciated. > > -- > Mike "hcker2000" Ashcraft > http://bigironinteractive.com > > <http://www.linkedin.com/in/mikeashcraft> > > -- Mike "hcker2000" Ashcraft http://bigironinteractive.com <http://www.linkedin.com/in/mikeashcraft>