i have three subscriptions, and am ordering spares frequently. reason: lots of bits to test and break. the axis developer board, ultimately, when the circuit diagrams are made available (issue 19?), i will probably plug in to control it :)
12 motors, from robotbooks.com, are an INSANE $USD 4,140 (excluding shipping!). however, these motors would allow the spiderbot's legs to move at an equally insane 11 feet *per second*, and for *each leg* to be capable of lifting 3000 kilograms - that's 3 metric tonnes.
these are some _serious_ electric motors. normally, people only buy one - for a spinning disk weapon!
12 motors equals 65 kilos.
battery array plus electronics equals 5? kilos
frame equals an estimated 25 kilos, if using stainless steel box frame, and that fancy polycarbon plastic whatever.
65, 70, 95, that leaves 65 kilos for weaponry & legs.
yikes... it's going to be close. the limit is 150 kilos for a walking robot...