aerospikes There’s a lot of reason why they haven’t been used yet, but I think most the compelling argument against them is that they won’t be used until fuel

aerospikes There’s a lot of reason why they haven’t been used yet, but I think most the compelling argument against them is that they won’t be used until fuel costs become the competitive factor in launch prices. https://youtu.be/K4zFefh5T-8 https://youtu.be/K4zFefh5T-8 https://space.stackexchange.com/questions/3004/why-arent-linear-aerospike-engines-in-common-use https://space.stackexchange.com/questions/3004/why-arent-lin... Nuclear rockets are quite the concept but have their obvious limitations. This video is worth checking out if you haven’t seen it yet. https://youtu.be/eDNX65d-FBY https://youtu.be/eDNX65d-FBY