Large Flat Atmospheric Count: Small Ion Count: Small Hydrogen Count: Small Atmospheric Count: Small Flat Atmospheric Count: Ascent angle: 90° 45° *This is used when you want to use bottom and rear thrusters together. The calculator will reduce thrust to 70.7%. ...
The fact that this system uses a gridded ion thruster, rather than a Hall effect thruster (HET), is interesting, since HETs are the area that Soviet, then Russian, engineers and scientists have excelled at. The higher isp makes sense for a long-term tug, but with a system that seems ...
In the same work area as the Shooting Star modules, Sierra Space engineers are also working on the Large Integrated Flexible Environment (LIFE) habitat. A key aspect of that project is evaluating and testing the use of softgoods to fashion expandable structures using Vectran, a weave of high-...
Materials, “plumbing”, and “surprises” seem to me likemore ominous problems.They lurk in the complexities between systems, in the gaps between disciplines, and in the interpersonal relationships of the builders and engineers. You don’t learn about them until you’ve built your entire rocket...
“I think a lot of engineers are afraid to make a change because of legacy,” says Snader. “There are new products out there that would probably be better from an electrical standpoint than the existing products that have been in space, but no one’s willing to make that leap. I use...
Selene was the very first of her line, created in the brains of a few engineers who had sat down at a table and asked themselves: “How do we build a vehicle that will skim over a sea of dust?” Some of them, harking back to Ole Man River, had wanted to make her a stern-...
they would not need heat shield tiles, the aerodynamic steerage flaps, nor the three landing rockets. Also, there would not be a need for reserve fuel for landing. These weight reductions would allow the engineers to expand Starship and/or make more built-in structure and/or carry more start...
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Ideally suited to students and engineers looking for an easy-to-use analysis tool, Space Frame S is a good progression for those familiar with our 2D apps and student app Intuition. With CASA SF-S an engineer can create 3D structural models of space-frames and obtain both the numerical resu...
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