The Cat-aylsts want to use a 4-wheel drive for their Tunnel Boring Machine (TBM). The plan is to disengage the rear axle and use that drive shaft for their drill bit. The front wheels will provide the propulsion. It's a very simple idea but, will it be too much strain on one engine?
The X-tinguishers plan on putting an engine onto the back of a truck. The 2nd engine will power a hydraulic ram that will provide torque and will allow them to pus their drill into the walls. Hydraulics work by forcing fluid into one end of a cylinder that pushes a piston forward and tremendous pressure. However, can the X-tinguishers find two working engines on the scrapheap? What about the misearble success rate of hydraulic machines?
Four hydraulic machines have been built and none of them have won. I know what you're thinking but the Miami Gearheads' hydraulic wall basher didn't work...they just ran their truck into the wall to knock it down. Their hydraulics failed them.
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