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Log Book for April 20, 2004
Engineering Report
Gregorio Drayer & Alyssa Rzeszutko Reporting

Generator/Electricity:

China Special:
Voltage: 222 V
Hobbs meter reading: 936.8 hours

Fuel Status (as of 18:30):

Diesel:
  • Quantity Remaining: 40 gal (US liquid) = 151.4 L
  • Consumed: 6 gal = 22.7 L

    Propane Tank:
  • Reading: 68% (170 gal / 250 gal) = (643.5 L / 946.4 L)
  • Consumed: 0 gal = 0 L

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

    Pressurized Rover Gasoline Tank:
  • Quantity: 11/16 Full.
  • Consumed: aprox. 1/16 tank.

    Oil:
  • Quantity remaining: 3.25 quarts = 3.1 L

    Water:

    Reading: Outside potable water tank level: 76.5 cm from the base.

    Consumed: 36 gal = 136.3 L in last 24 hours.
    (Note: 2 people took showers since yesterday's final reading)

    Estimated Grey Water Used: 28.8 gal = 109.0 L in last 24 hours (assumed 80%) Time: 08:24
    Inside Tank: 17 gal = 64.4 L
    (Previous reading at 04/19/04: 21 gal = 79.5 L)

    Time: 09:10
    Inside Tank: 60 gal = 227.1 L

    Time: 21:50
    Inside Tank: 24 gal = 90.9 L

    Time: 22:15
    Inside Tank: 53 gal = 200.6 L

    HVAC: Nothing to report.

    Transport: Nothing new to report.

    Mars-Suits: Some of the backpack power/switch connections are loose causing air flow to stop and will require maintenance.

    Computers/Networking Infrastructure: Nothing new to report.

    Data Logger: Relocated the internal photosynthetic active radiation sensor to the north wall of the GreenHab.

    Other: Alyssa finished organizing the final box of plumbing supplies that she had found yesterday. She also organized a few other areas on the first floor. She and Kathleen made a toilet paper holder that is secured to the wall in the bathroom. Kathleen also made a replacement shelf to hold books and DVD's on the second floor. Alyssa, with the help of Steve and Greg M., polished all of the helmets and the spare Plexiglas shields. Alyssa was not able to finish the float switch for the toilet supply tank today, but intends to complete this task Wednesday.

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