I though i would share my small excavator with you guys
http://www.youtube.com/watch?v=JuuexCa2m6g
http://www.youtube.com/watch?v=Wm5CA-nl9Ck
I have since made a few modifications which included a stronger hydraulic pump (brushless) , a manometer and i have now used channel mixing on the transmitter so that the pump only comes on when the valves are open.