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Log Book for April 22, 2004
Engineering Report
Gregorio Drayer & Alyssa Rzeszutko Reporting

Generator/Electricity:

China Special:
Voltage: 220 V
Hobbs meter reading: 981.7 hours

The propane tank arrived this morning along with its generator; however, it had a faulty starter motor. The starter motor should arrive tomorrow. China Special was used today.

Fuel Status (as of 18:30):

Diesel:
  • Quantity remaining: 30 gal (US liquid) = 113.6 L
  • Consumed: 6 gal = 22.7 L

    Propane Tank:

  • Reading: 67% (167.5 gal / 250 gal) = (634.1 L / 946.4 L)
  • Consumed: 0 gal = 0 L

    Gasoline:
  • Quantity remaining: 52 gal = 196.8 L
  • Consumed: 0 gal = 0 L

    Pressurized Rover Gasoline Tank:
  • Quantity remaining: 11/16 Full.
  • Consumed: 0 gal = 0 L

    Oil:
  • Quantity remaining: 2 quarts = 1.9 L

    Water:

    Reading: Outside potable water tank level: 60.3 cm from the base.

    Consumed: 25 gal = 95.6 L in last 24 hours.
    (Note: 1 person took a shower since yesterday's final reading)

    Estimated Grey Water Used: 20 gal = 75.7 L in last 24 hours (assumed 80%)

    Time: 16:50
    Inside Tank: 25 gal = 95.6 L
    (Previous reading at 04/20/04: 35 gal = 132.5 L)

    Time: 22:00
    Inside Tank: 10 gal = 37.9 L

    Time: 22:20
    Inside Tank: 53 gal = 200.6 L

    HVAC: Nothing to report.

    Transport: Nothing new to report.

    Mars-Suits: Nothing new to report.

    Computers/Networking Infrastructure: Nothing new to report.

    Data Logger: Gus took weather station data for the past several days and plotted them on graphs. They will be uploaded to the website tomorrow.

    Other: Greg M. moved the smoke alarm to an appropriate position (the top of the roof).

    Alyssa and Greg D. installed the float switch for the Toilet Supply Tank (TST). It is working well. Pictures show the float switch wire coming out of the TST. They suggest a future float switch installation for the internal water tank as well for crew convenience.

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