Page 7 - Fuel Cell Student Edition

ENGINEER’S LOG: ENGINEER’S LOG:
NOVEMBER 14, 2041 16:22 PST: NOVEMBER 17, 2041 06:11 PST:
I was too tired to write a log entry last night. After I didn’t have a chance to write much of a summary
taking what felt like half of the wire out of the rover, after we arrived, but besides completely tearing
Hoshi and I have assembled a really scary looking apart our rover, everything went better than
zinc-air fuel cell stack. I’m going to finish double expected. Hoshi was invaluable in the construction
checking all of my connections and wiring today and of the cell and in optimizing the engineer’s path
charge the rover’s battery. I also found a set of solar from the lunar positioning system with one of our
cells in the parts bin which should give me enough remote controlled rovers to plot a better return
spare capacity to run our suit charging systems on course home. We had to take care to avoid steep
their own isolated circuits. It’s good to know that if I slopes while minimizing our total distance traveled.
mess up and fry the electrical system, Hoshi and l will We only had to stop once to charge the battery, after
still be able to get oxygen into our suits. a rocky climb that spun the wheels, throwing dust
everywhere.

ENGINEER’S LOG: I refilled the electrolyte twice and the rover’s
NOVEMBER 15, 2041 23:58 PST: regenerative braking system was able to charge
Success! The rover works. Hoshi and I are the emergency batteries on down slopes. These
exhausted. We both agreed to get a couple of hours helped us get a bigger pulse of power for some
of sleep before returning to the outpost. I’m less of the gnarly hill climbs we were forced to
than 18 hours away from a shower! Yay! overcome.

The outpost crew met us outside as we arrived
ENGINEER’S LOG: and when I awoke this morning they had already
NOVEMBER 17, 2041 03:19 PST: unloaded all of the supplies. These guys are great to
Hoshi and I reached the outpost. I’m going to bed. work with!

6 TOTAL REDOX™ – FUEL CELLS TOTAL REDOX™ – FUEL CELLS 7