3 ms·
Non-blog-spam link: https://www.nasa.gov/directorates/stmd/nasa-tech-breathes-life-into-potentially-game-changing-antenna-design/ https://www.nasa.gov/directora
by ChuckMcM 3y ago
Non-blog-spam link: https://www.nasa.gov/directorates/stmd/nasa-tech-breathes-life-into-potentially-game-changing-antenna-design/ https://www.nasa.gov/directorates/stmd/nasa-tech-breathes-li...
Do you have a reference for this? In other channels there have been discussions about this and how it might work. A lot of questions about "hold the outside edge" and "parabola". Specifically if the outside edge is being held by the inflation the interior shape will become a sphere, if the outside edge is rigid like the balloon in the image shows, does it really save weight?
A couple of discussions about if you made the "balloon" part sort of like a tube balloon animal where you created interconnected tubes of the backing frame as one balloon that when you inflated formed the shape of a parabola. But neither the press release nor that image suggests anything like that, and positioning the horn would be a challenge.
Definitely curious, waiting for the paper.
- uoaei 3y agoFrom the previous HN post[1] about it, I was linked to the company's own page[2] which includes a more precise description of the technology. The reflector is indeed spherical and there is an array of transceivers along the "focal line". [1] https://news.ycombinator.com/item?id=38043955 https://news.ycombinator.com/item?id=38043955 [2] https://www.freefallaerospace.com/nasa-balloon/ https://www.freefallaerospace.com/nasa-balloon/