The Last Version of Walker Boy. 4.0 is here the power of a motor, a worm gear, 3 48 tooth gears and an 8 tooth gear results in going a metre in 1 min 2 secs! Fast hey! Basiclly Version 3 but instead of a 24 on to a 24, It is a 48 tooth on to an 8! So my folder on Walker Boy Closes! Can we please not stop on walker boy, Please!
the mechanism looks pretty efficient, just a sugestion, you might try to make the feet less smooth for more traction ... and later on when you're really happy with how it works you should work on its looks, and give a nice clean good looking exterior.
Anyway, i think you should experiment more with legs and weight distribution .. i tryed a lot to come up with a good biped walking method .. too bad i dont have any electric motors to put them in motion, maybe in the future.