At a somewhat small and unassuming airport in Maribor, Slovenia, German hydrogen propulsion startup H2FLY has quietly been building up to a major milestone in zero-emission aviation over the summer. And all the hard work has come to fruitio
World’s first crewed liquid hydrogen plane takes off::undefined
Aviation is the one field, where burning some form of carbohydrate is actually the only viable option. Batteries may be an option for short flights, but I don’t see any solution for long haul flights.
Whether the fuel ends up being (synthetic) kerosene or some plant oil stuff doesn’t really matter, the turbine isn’t going anywhere.
LEL for Hydrogen: 4.0 (% in air)
UEL is 75 %
This is the most severe (wide range) for any fuel.
LEL and UEL Explained (Explosive Gas) - Projectmaterials
This is on top to hydrogen enbrittlement and low temperature enbrittlement of metals.
Good luck with the insurance fees for commercial flights.
Aviation is the one field, where burning some form of carbohydrate is actually the only viable option. Batteries may be an option for short flights, but I don’t see any solution for long haul flights.
Whether the fuel ends up being (synthetic) kerosene or some plant oil stuff doesn’t really matter, the turbine isn’t going anywhere.