double sided sticky tape, the heavy duty stuff. I've mounted rx, esc with it. the esc is right on the chassis, for a low cog. never caused any problems.
these screw removers are great, surprisingly it works:
http://www.conrad.de/ce/de/product/8...AUSDREHER-SATZ
a small gas lighter to get screws removed, which are secured with loctite
http://www.conrad.de/ce/de/product/8...archDetail=005
gripping pliers are always good to have.