GTRI student assistant Mary Kate Broadway makes final adjustments to Lunar Flashlight model in the SEEDLab makerspace

GTRI's SEEDLab Ground Zero for Lunar Flashlight Project

11.08.2022

The Lunar Flashlight is small for a satellite, but could be big for research.

NASA plans to launch Lunar Flashlight, a small satellite (SmallSat) about the size of a briefcase that will use lasers to search for water ice inside craters at the Moon’s unexplored South Pole.

NASA says that the Lunar Flashlight, traveling aboard a SpaceX Falcon 9 rocket, will take about three months to reach its “science orbit.” The launch date has been changed several times. Currently, it is expected to launch later this month. 

The work on earth leading up to the launch has already taken quite some time.

Georgia Tech and GTRI have been instrumental in the development of the Lunar Flashlight mission. Researchers in Georgia Tech’s School of Aerospace Engineering worked with NASA’s Marshall Space Flight Center to develop the SmallSat’s novel propulsion system. Georgia Tech Research Institute (GTRI) collaborated to assemble and test the Lunar Flashlight.

Seasoned researchers were assisted by students in their efforts.

One such student is Mary Kate Broadway, a student assistant in GTRI’s Electro-Optical Systems Laboratory (EOSL), whose academic and professional experiences in modeling and fabrication were called upon to create a near 1:1 model of the Lunar Flashlight SmallSat.

Broadway, who is pursuing a bachelor’s degree in mechatronics, robotics, and automation engineering at Kennesaw State University, used GTRI’s SEEDLab makerspace to fashion the model based on designs produced by NASA.

“I got the SolidWorks (a popular solid modeling computer-aided design and computer-aided engineering application) file, and then I started by taking all the SolidWorks parts, making the 3D printables, and then exporting them out as ‘.stl’ files. Here (at the SEEDLab), I queued everything up and printed it,” Broadway explains. She did “all of the painting and the printing” by herself. "However, of course, the SEEDLab helpers (student assistants) all helped me whenever I had trouble.”

Image removed.
Mary Kate Broadway adjusts the model's solar array. (photo: Sean McNeil)

 

Broadway, who already has a BFA in animation and digital arts from Florida State University, has the savvy to make use of the SEEDLab’s wide variety of equipment.

For the Lunar Flashlight project, Broadway employed:

  • An Ultimaker S5 FDM, a fused-filament fabrication 3D printer.
  • A FormLabs Cameo resin printer.
  • A Glowforge 3D laser printer and cutter.
  • Various traditional hand tools.
Image removed.
The Lunar Flashlight model.
Ultimaker 3D printer in back.
(photo: Sean McNeil)

Broadway employed traditional materials such as PET and PLA plastics for some of the more intricate parts of the model. The main body of the model is aluminum, which Broadway collaborated with the Aero Maker Space on the Georgia Tech campus to get pressed and fashioned to specifications with a Waterjet cutting machine. To simulate working solar panels, Broadway designed printed vinyl labels.

Broadway’s supervisor, EOSL Research Engineer Eric Brown, was initially contacted by Principal Research Engineer Jud Ready, Ph.D., who has worked extensively with NASA.

As of Nov. 4, just days before the Lunar Flashlight launch, Broadway was still engrossed in making final adjustments to the model, particularly the tight tolerances of its solar arrays. Broadway began working on the Lunar Flashlight project in April. Working part-time at the SEEDLab, she has spent dozens of hours—amounting to about a month of work--perfecting the device.

Image removed.Please fill out this form to gain access to the GTRI SEEDLab Makerspace (Baker Building 020). Once you submit the form, you will be contacted with information on the next scheduled tour/safety briefing. Attend a tour/safety briefing and you will then be added to the makerspace access list.

Writer: Christopher Weems

Photos: Sean McNeil

GTRI Communications
Georgia Tech Research Institute
Atlanta, Georgia USA

 

Image removed.


The Georgia Tech Research Institute (GTRI) is the nonprofit, applied research division of the Georgia Institute of Technology (Georgia Tech). Founded in 1934 as the Engineering Experiment Station, GTRI has grown to more than 2,800 employees, supporting eight laboratories in over 20 locations around the country and performing more than $700 million of problem-solving research annually for government and industry. GTRI's renowned researchers combine science, engineering, economics, policy, and technical expertise to solve complex problems for the U.S. federal government, state, and industry.

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