Blame the Olympic, etc, kindda busy with other stuffs, ramp up in PROD market (my real job in semicond)...
Now adding the workhorse/powerplant...it's a full hyd function, rotor motor
for the main drive and lift bucket...As seen in the CAD computer, yet to start fabrication, as to confirm real size and dimensions of the internal gadgets...(pumps, rotors, tanks, spool valves, servos, etc)
PS: kindda busy mastering the skill to operate my KOMATSU PC650 EXCAV, refer video here for latest 'skill' that I have...lol
http://www.youtube.com/watch?v=sPKtaNU2CpM
http://www.youtube.com/watch?v=1lTR0ilKT6M