Erik Engheim·Feb 4, 2023The Big Rocket Showdown: Neutron vs. Falcon 9A discussion of the different design philosophies and strategies of SpaceX and Rocket LabA response icon1A response icon1
Erik Engheim·Feb 1, 2023How to Pick the Optimal Rocket EngineFrom ion thrusters to staged combustion enginesA response icon1A response icon1
Erik Engheim·Jan 31, 2023What is the Best Rocket Fuel?Rocket engines are run on Hydrogen, Kerosene and lately Methane. Is there a best fuel?A response icon4A response icon4
Erik Engheim·Feb 14, 2019Gas Mileage and Horsepower On a Space RocketWe measure the efficiency of a car engine by specifying how many kilometers it will get you per liter. Or alternatively if you are…
Erik Engheim·Aug 23, 2019Understanding Rocket EquationsHow do we arrive at the equations describing the relation between mass flow and thrust?
Erik Engheim·Jan 25, 2023Will Starship or Neutron Replace the Falcon 9 Rocket?A discussion of differences in rocket design philosophies and strategies of SpaceX and Rocket LabA response icon1A response icon1
Erik Engheim·Apr 16, 2019Should We Go to the Moon with SLS, Falcon Heavy or Starship?How Falcon Heavy has changed the game, and ought to change NASAs’s strategy for getting to the MoonA response icon1A response icon1
Erik Engheim·May 26, 2019New Glenn, Falcon Heavy or Starship to the Moon?If you are interested, I have written a more elaborate take on New Glenn in this story about the different visions of Elon Musk and Jeff…
Erik Engheim·Nov 10, 2019Why a Nuclear Powered Rocket is a Bad IdeaThere is newfound enthusiasm for nuclear powered space rockets. Wired magazine is reporting on BWX Technologies and NASA working together…A response icon8A response icon8
Erik Engheim·Aug 5, 2017Food: Surviving on VenusGrowing food in hydroponic systems as well as how to obtain the needed nutrients.A response icon1A response icon1
Erik Engheim·Jul 10, 2018A Space colony as a KibbutzCan the unique experience of the Israeli Kibbutzim settlements offer us any insight into how a space colony could develop politically and…
Erik Engheim·Dec 23, 2021Elon Musk’s Mars Colonization Will Fail, But That Doesn’t MatterLet us talk about the positive outcomes of a failed Mars colonization.A response icon4A response icon4
Erik Engheim·Dec 25, 2021Why Is the Neutron Rocket Using Carbon Fiber Composite Instead of Stainless Steel?SpaceX abandoned the use of carbon fibre composite and instead went for stainless steel in their Starship. So why is Rocket Lab sticking…A response icon3A response icon3
Erik Engheim·Dec 26, 2021Could Neutron Outcompete Starship?Neutron does not recover its second stage. How could it possibly compete with Starship? This question is not as simple as you might think.A response icon3A response icon3
Erik Engheim·Jan 2, 2022Which Planet or Moon Would You Colonize?A look at opportunities and challenges of colonizing different moons and planets in our solar system.A response icon2A response icon2
Erik Engheim·Jul 7, 2017Why Can Sugar be Used as Rocket Fuel?What makes something suitable as rocket fuel? We look at the chemistry and science of rocket fuel.
Erik Engheim·Jan 5, 2022Build a Mars Civilization or an Asteroid Mining Empire?Is the long-term future for us as a space-faring civilization in the image of Elon Musk or Jeff Bezos? Will we create a civilization on…A response icon6A response icon6
