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System Modeling As a first approximation, we can assume traction capability is roughly proportional to flat-surface friction. For non-slipping wheels, Max Friction Force = Normal Force * Coefficient …

It’s not a “generally accepted conclusion”, but it’s somewhat likely to be the case. The reason I have heard from people who were involved in South Pole rover prototypes is as follows: because of the …

I am participating in a design competition based on lunar In-Situ Resource Utilization (ISRU). A key component of this design is transporting regolith-mined water from a water extractor in a Permanent …

Lots of lander designs, especially the NASA reference models, are at least somewhat based on the MMSEV / Habitable Airlock design for the crewed section. This has curtains separating crew bunks from t …

Google Maps Moon likely uses a Simple Cylindrical projection for storing their map data. This is fine for the majority of the globe, but there are problems at the poles. Here are a few reasons why ima …

I assume you're familiar with this list of documentation?: https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/req/index.html Here's a section on PCK files with Chebyshev polynomials: https://naif.jpl.n …