Groundhog knee deep in mine muck.2D mine map produced by Groundhog.3D mine map snapshot produced by Groundhog.Ferret1 deployed into the Mellon Institute void.Second generation Ferret with higher power laser range finder.Ferret2 scan of a limestone mine after a domeout, Kansas City, Kansas.Borehole deployable, inflatable mobile robot concept.
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BuoyBot
Ferret
Groundhog
Motivation
Mechanical
Origins
Chassis-in-a-Day
Electric Groundhog
Hydraulic Groundhog
Finishing Touches
Electrical
Software
Field Trials
Spec Sheet
Magellan
NuBot
Site | Robots | Groundhog | Mechanical
Mechanical

It takes a lot of metal to make a 3/4 ton robot. This is the story of that metal.


Origins
Groundhog's existance started with the cannabilzation of another robot to get a chassis.

Chassis-in-a-Day
Ironmongering, welding, grinding, and a little gentle persuassion beat Groundhog's chassis into something close to its present state.

Electric Groundhog
Once the chassis was in shape, the drive train and steering are connected, and Groundhog becomes self propelled.

Hydraulic Groundhog
The retrofit to hydraulics was a long and painful process, but in the end it paid off.

Finishing Touches
Sensor mountings, chain tensioners, different gear ratios, and the removal of a very stubborn bearing mount occur as Groundhog takes its present form.

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