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VIPER is possibly the first combat robot in the world to use the name we first started the build in 1999.

Home made right angle worm drive gearbox 15-1 reduction.
This is one of the 15-1 reduction worm drive gearboxes we have made for Viper, with 800 watt motor.
This is the axe mechanism it consists of a cam drive through a 40-1 reduction box driven by an 800-watt motor; springs are used to operate the axe once tensioned.
Andrew cutting hole for axe mechanism.
This is one of our bolt on axes, it is 3 Kg.
This is the chassis with axe mechanism welded into place.
Nigel & Andrew with current test rig.
These are modified 8" steel trailer wheels converted to split rim. They are filled with polystyrene pipe insulation.
Body work going on, you can see the weld mesh battery tray.
Yellow etch primer.
This shows the scrap telephone box panels before the infrared reflective paint went on.
This is Andrew with the 2 robots just to give some scale.