Al's Robotics....

Driller Killer

Driller Killer has recently had a total change in it’s chassis design, this is due to the welder I have just bought (well I needed something to practice on didn't I). So I have made a totally new chassis out of mild steel square tubing and welded it all together to make one extremely strong frame.

Driller Killer is still using the cordless drill motors, a total of four battery powered drill motors are used in it's design, I got them from a local DIY shop for £10 each (which is a good price). The good thing about using drills to make robots is that they come with all the things you need for it i.e. gear box, motor, battery pack and a battery charger, making the drills ideal for robotics. Oh and drills like my ones have clutches on them, making it less stressful to the motors when they are stalled as they can carry on turning even if the wheels are not.

These are some photos of what it looked like at the start.

A quick note to all that are going to use drill motors, they draw loads of Amps. So much in fact that when I tested my home made speed controllers on them the strip board I used acted as a fuse and the tracks started to blow. Now that's not a nice thing to happen to a circuit that you have just made. So I would suggest to any one making their own speed controllers for drills that they use tag board and not strip board, as it can take a lot more current. But I've reinforced the strip board now and it’s all working fine. Driller Killer also uses a A.R.M. Robot Mixer as seen on the robotic shop pages of this site, find out more about this here.

These are the latest photos of driller killer, it's now all finished. I added a PIC MCU and LEDs and made a program up to flash the LEDs on and off for the Lewes event

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