2 ms·
Aviation won’t be using LH2. The volume required makes it not feasible. Not to mention the cooling requirements. Look at the volumetric energy density of it com
by mlindner 5y ago
Aviation won’t be using LH2. The volume required makes it not feasible. Not to mention the cooling requirements. Look at the volumetric energy density of it compared to other fuels.
- ncmncm 5y agoVolume is very cheap on board aircraft, so volumetric energy density doesn't matter. What costs is weight. On weight, LH2 clobbers everything, by a very long way. https://news.ycombinator.com/item?id=29206505 https://news.ycombinator.com/item?id=29206505