Antigravity

An idea for an antigravity machine that I illustrated in 1992 using 3d-studio and povray. Music by Andy Lee Robinson, “Escape to Osiris“, It is not a perpetual motion machine! The weights on the gears follow a cardiod path which intuition appears to give a non-zero resultant, though it cannot work. Would be nice if someone with more maths knowledge than I could integrate the forces properly, and prove it without making the assumption t