QEG Builders is a group and forum for builders whether building from scratch or sourcing out parts. Topics include buying a fully processed core vs. building one; capacitors; epoxy vs. non-epoxy core; steel laminations; ordering parts; parametric resonance (and other theories). This is accessible to Gold Members who are logged in. If you would like to join in order to gain access please click the 'Join' button located underneath the Members Area tab on the menu.