A hand crank on one side and a bearing end on the other. Clamped the rig to a shop table and 2000 turns in 20 minutes was a piece of cake. I've tried motors and drills but the hand crank was by far the best. On 09/05/16 12:07, Soretna wrote: > What have been the easiest / most efficient ways you have found to make > coils of varying sizes? > _______________________________________________ > Tesla mailing list > Tesla@xxxxxxxxxx > http://www.pupman.com/mailman/listinfo/tesla > _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla