fciron: HPHMGM1: Hypertrochoid Generation - Concept
fciron: HPHMGM2: Structure - Concept
fciron: HPHMGM3: Compression Ring and track, cross section showing a cover that provides seating and a safety guard
fciron: HPHMGM4: Fence/Ring Gear, cross-section showing hand rail and mesh cover on the outside to keep people out of the gears
fciron: e: idea2
fciron: f: Brainstorming
fciron: g: Brainstorming
fciron: idea3