I shall be getting my act together with the new Gimson Robotics website asap which will stock a range of new products ideal for your machine Peter!


To answer your queries so far:

Drill motors are an ideal budget drive solution, and drop the requirement for an external gearbox as the one provided is perfectly adequate (though in some conditions it may be best to exchange the first stage gears from plastic to metal as used on the second stage). There are also wheels available which will screw directly onto the output shaft of drills shafts and would be ideal for your use.

The speed controller(s) will often be your most expensive purchase and so making the right choice is paramount. I happen to have a fantastic low-budget solution up my sleeve for the near future so your choice may depends much on what dates youre setting yourself for this build.

40mhz is the best radio control option. Two or four channels depends much on how you see your designs expand in future and your current budget - it may be worth investing in a four channel model for the future.

The motors and electronics typically used are pretty well adept to impacts, Ive never personally come across a magnet issue with drills for one thing. It is adviseable to mount electronics with shock absorbing materials such as foam or high-strength velcro.



Please dont hesitate to ask any further questions!
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Many Thanks, Ewan