EVA Report – April 20th

Crew 297 EVA 8 Report 20-4-2024
EVA # 8

Author: Matthew Storch

Purpose of EVA: We first did another seek for the NPS Project, by traveling to the coordinates specified by Mission Support, and searching a 300 m radius for the NPS. We then evaluated the robot, excavated a site for placement of the NPS, and explored the surrounding region for geological purposes.

Start Time: 9:08 AM

End Time: 12:55 PM

Narrative: Crew obtained the NPS search coordinates and proceeded to the search area, which was near the Candor Chasma. We stopped just off Cow Dung road and proceeded on foot along the Gateway to Candor, to conduct the search. The crew split into 2 teams that straddled a ravine. Matt Lynch quickly spotted the NPS and we retrieved it and returned to the rovers. We then proceeded north along Cow Dung Road to Galileo Road and headed east on Galileo until we reached the turnaround limit on battery power. The turnaround point was not deemed suitable for the other mission objectives, so we started to return along Galileo road, stopping twice to evaluate possible sites to cover the remaining mission objectives. Once a suitable location was found, Pawel and Matt S set up the robot, while Matt L scouted for suitable nearby excavation sites and Sarah conducted geological studies of the area. The robot had problems connecting to its network and there was not much we could do in the field to address the problem, so we had to abandon that objective for today. All four EVA crew members then joined the excavation effort, using a variety of tools and working in shifts. In the end we were able to excavate deep enough to properly bury the NPS, but finished just in time to return from the EVA with a suitable time margin. Excavation was much more difficult than in the first location, with the regolith removal rate being about one half of what it was in the first excavation, despite having 4 crew members to work this excavation vs. 2 for the previous one.

Destination: Candor Chasma area

Coordinates: 519608E 4251496N

Participants: Pawel Sawicki (Commander), Matthew Storch (XO), Sarah Lamm (Geologist), Matthew Lynch (Engineer)

Road(s) and routes per MDRS Map: Cow Dung Road, Galileo Road

Mode of travel: Curiosity, Opportunity, and walking

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