The data has been moved to a proper github repo: https://github.com/nraynaud/sojourner/blob/main/
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February 1, 2026 12:10
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Notes on the mechanical design of the Sojourner rover
Author
Thank you for the report, let me rummage through the project settings and report back.
Author
I definitely goofed up. I made it public for the people in my hub, which is myself. Still looking for a way to make it public.
I'm a bit reluctant to just dump a file because it's divided into multiple files, and I'd like to use the comment system to explain what I invented and what I feel more confident is the reality.
Author
I added you to the poject, I'll need to make a single assembly to export the project in one fell swoop.
Thank you much, I am able to read the files now.
I've been interested in building my own Sojourner-alike, and don't mind cheating with the electronics (I don't intend to build an 8085 based brain but a similar or slightly more powerful microcontroller will do. I've also modeled a modern inexpensive 16mm geared brushed motor (16GA25) which can sometimes be found geared down to 10RPM at 6 or 12 volt. It is slightly smaller than a RE-16 from the looks of it, perhaps it could be disguised as one with a housing. An encoder would need to be fitted for proper odometry or servo control. I am fond of as5600 absolute encoders.
here's an interesting still from gearskeptics video
Author
yes, thank you, I have been stealing screengrabs from his video and corresponding with him by email.
I suggest you edit your prior message to remove your email to reduce the spam you receive, and continue the disucussion on the github repo I opened here: https://github.com/nraynaud/sojourner/blob/main/README.md .
I'll try to do a data dump in the repo today.
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it lets me 'log in' using my account but I am unable to see the model either on the autodesk360 site nor within fusion hubs. Perhaps if you export an f3z file or step or similar I can open it offline, but I would love to join the hub and help with the CAD. I am [email protected] on fusion.
I am reading and compiling info as well about the electronics, materials, and dimensions. I also plan to request that someone at the Smithsonian takes square-on pictures of Marie Curie with a ruler or scale bar present. side, front, and top views would be extremely useful for more accurate CAD.