Avoiding liquification improves the efficiency of the engine since less liquid hydrogen is boiled off; even simply cooling the air needs more liquid hydrogen than can be burnt in the engine core.
However, even simply cooling the air needs more liquid hydrogen than can be burnt in the engine core. Avoiding liquification improves the efficiency of the engine since less liquid hydrogen is boiled off.
Avoiding liquification improves the efficiency of the engine since less liquid hydrogen is boiled off. However, even simply cooling the air needs more liquid hydrogen than can be burnt in the engine core.
Avoiding liquification improves the efficiency of the engine since less liquid hydrogen is boiled off. However, even simply cooling the air needs more liquid hydrogen than can be burnt in the engine core.