Viewing a single comment thread. View all comments

super_shizmo_matic t1_iy8a46l wrote

Reply to comment by [deleted] in Rolls-Royce successfully tests hydrogen-powered jet engine | Britain's Rolls-Royce said it has successfully run an aircraft engine on hydrogen, a world aviation first that marks a major step towards proving the gas could be key to decarbonising air travel. by yourSAS

Not to mention where will they even store the Hydrogen fuel. It aint gonna be cryogenic, and super high pressure storage tanks don't mix particular well with jetliners, especially because of the failure modes. They tend to really violently explode when they fail.

2

PizzaWall t1_iy8h43z wrote

Another hurdle is where to store the hydrogen on a plane? Current tanks in the wings, rudder, body of the plane will not work.

The amount of space needed for the tanks is substantial and has to come at the expense of passengers and their luggage. It's the same issue for battery powered airliners. The technology isn't feasible with todays or near-future technologies.

2

Spartanfred104 t1_iy8az70 wrote

And Hydrogen is a tiny molecule, it takes so much more tech to be able to store and use it as conventionally as gasoline.

1

SBBurzmali t1_iy8et7h wrote

If you were replacing jet fuel for every jet on the planet, you'd have to go with cryogenic.

1