Operations Report – December 23rd

Crew 185

Operations Report Saturday 12/23/2017

SOL: 5

Name of person filing report: A.Passeron

Non-nominal systems:

– Generator :
The generator had a failure during the night, Fault message reading "Low battery". Jump-start from Shannon’s Shuttle battery at did not solve the issue. Generator had a second failure at rougthly 12:00pm. Second jump-start done and generator turned on at 5:30pm. The generator is currently running.
At 6:20pm, settings are :
+ Oil pressure : 45 psi
+ Speed : 1815 rpm
+ Battery charge : Fluctuating between 8.7V and 9.0V
At 6:40pm, settings are :
+ Oil pressure : 45 psi
+ Speed : 1815 rpm
+ Battery charge : Fluctuating between 7.8V and 8.0V
The charge of the battery is thus plummeting. The battery of the generator is not recharged while generator is on.

– Water heater tests :
I went to the shower and did the following tests.

@8:42am first trial with nominal settings (right dial on the second top black bar) :
hot water turned on all the way for 2 minutes, initial temperature 51F, final temperature 64F.
@9:33am second trial with max temperature (right dial turned to the top black bar, but I can go further) :
hot water turned on all the way for 4 minutes, initial temperature 55F, final temperature 64F.

– Water shortage :
Crew aware of concern about water shortage. We are now using jerrycans for drinking water. We tried to pump as much water as possible from the trailer tanks into the static tank. We use the shallow water of trailer tanks to water the plants of the GreenLab.

Generator (hours run):
Generator turned off at unknown time (failure during the night)
Jump-start done at 8:10am
Generator turned on at 8:10am
Generator turned off at roughtly 12:00pm (second failure during the EVA)
Jump-start done at 5:30pm
Generator turned on at 5:30pm

Solar— SOC
@ 8:00am : 57%
@ 9:20am : 60%
@ 10:00am : 64%
@ 11:00am : In EVA
@ 12:00pm : In EVA
@ 1:00pm : In EVA
@ 2:00pm : 100%
@ 3:00pm : 98%
@ 4:50pm : 90%
@ 5:00pm : 88%
@ 5:30pm : 84%
@ 6:40pm : 82%

Diesel – 78%

Propane – 52%

Ethanol Free Gasoline (5 Gallon containers for ATV) – 2.8 Gallons

Water (trailer) – 20 gallons

Water (static) – 280 gallons

Trailer to Static Pump used – Yes

Static to Loft Pump used – Yes

Water Meter: 50 gallons

Toilet tank emptied: Yes

ATVs Used: Yamaha blue Grizzly 350 #3
Oil Added? Yes
ATV Fuel Used:
# Hours the ATVs were used today: 02:00 hours
Notes on ATVs: ATVs were nominal.

Deimos rover used: No
Hours: 00:00 hours
Beginning charge:
Ending charge:
Currently charging:

Sojourner rover used: Assigned to director only.
Hours: 00:00 Hours
Beginning charge:
Ending charge:
Currently charging: Yes

Spirit rover used: Yes
Hours: 02:00 Hours
Beginning charge: 100%
Ending charge: 60%
Currently charging: Yes

Opportunity rover used: No
Hours: 00:00 Hours
Beginning charge:
Ending charge:
Currently charging:

Curiosity rover used: No
Hours:
Beginning charge:
Ending charge:
Currently charging:

HabCar used and why, where? No

Summary of internet: All nominal

Summary of suits and radios: All nominal

Summary of Hab operations: Water shortage prevention. Water heater doesn’t seem to work properly.

Summary of GreenHab operations: All nominal

Summary of ScienceDome operations: All nominal

Summary of RAMM operations: Not Operational

Summary of health and safety issues: Crew is Healthy

Questions, concerns and requests to Mission Support: