Good point, sounds like a good idea. I think that would still work with the claw/lifter idea too.
One thing I was wondering about, since I can't weld I'd be bolting my robot together I assume, so I wanted to know how I could get a low ground clearance on whilst it using bolts, since they'd surely stick out from the base?
It depends on the construction methods really, you could use allen head bolts with a domed bolt head so they smoothly run along the ground. You could also countersink stuff.
I wouldn't worry too much about side/rear ground clearance since your wheels need clearance, but at the front, if you're using a wedge, you can make it come down further than the bolts so that it scrapes the ground.
After looking back at your design I see what you mean more now, you could just use countersunk bolts for mounting the wedge near the front of the machine.
Started to buy parts, I'm planning to get this servo as recommended to me: http://www.hobbyking.co.uk/hobbyking...dproduct=43054, and a feather light lemon rx. Would this BEC be suitable to power these? http://www.hobbyking.co.uk/hobbyking...ly_6_23v_.html
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