The partially reusable Falcon 9 and fully reusable Skylon are explored in this episode of Stan Draws Spaceships! Follow me on IG: stan_draws_spaceships More information about ballistic coefficients: https://en.wikipedia.org/wiki/Ballistic_coefficient Spacecraft shown as scale models at the end of the video: Skylon: https://goo.gl/l0ea6y Falcon 9: https://goo.gl/UcoZxJ Rotary Rocket: https://goo.gl/5JI6C8 Kistler K1: https://goo.gl/DvrJwg Venture Star: https://goo.gl/Y0eSnk MAKS: https://goo.gl/Zv4S4a Triamese Shuttle: http://www.astronautix.com/t/triamese.html DynaSoar: https://goo.gl/TYeirp Additional Note: I am aware that the fluid in the main Skylon heat exchanger micropipes is actually Helium that has been cooled in another heat exchanger with cryogenic hydrogen. Couldn't find an elegant way to word it that flowed, so that's why I said it's hydrogen in the pipes. Call me out on anything else you find! Music: Little Dipper by Poddington Bear