1970 PowerDyne mini restored to near factory specs during winter of 2005. Santa brought it to my brother in 1970. Retrieved from the barn after a 30+ year slumber and through the miracles of mechanical surgery, it was resurrected to bring joy and happiness again to over-age kids.
I believe these were distributed J.C. Penney, and probably manufactured by Rupp. Many of the parts are equivalent to Rupps.