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It's not like the Rock Raiders manage to find all their ores and crystals in natural caverns. Sometimes you need to make your own hole, that's where this monster comes in.
Dual cockpits. Jet handles the driving while Axle monitors Tunneler systems, fluid levels, hydraulic pressure, and keeps an eye on the sensors for those pesky rock creatures.
On the work-deck just aft of the cockpits, Chief monitors tunnel progress and keeps his crew working together smoothly. Bandit stands by to lend a hand wherever needed, and Doc makes sure if anything breaks or can be improved he'll be right there with a wrench. The whole while a magnetic energy field protects the deck and cockpits from small to medium debris and tunneling dust.
Sparks runs the extendable stripping arm. A quartet of poweful rock blades tear away at cavern faces or smooth down tunnel celings where the drills can't go.
The bulk of the machine is the aft end mining assembly. A pair of powerful drills cut away at the stone to begin tunnels and to give the stripping arm a point of purchase for it's duty. When the drills just aren't enough, a pair of heavy mining lasers slide forth from the armored housing and blast away overly-hard rock.
Now I kind of wish I had 2 of each Rock Raiders set so I could keep this bad-boy assembled next to the official sets
