Reply to post: Re: It's not going to work out well....

Brit rocket boffins Reaction Engines notch up first supersonic precooler test

A.P. Veening Silver badge

Re: It's not going to work out well....

That third item is worthy of an upvote.

Lox can be cheap, but getting oxygen from the air you are passing through is cheaper and this way you don't have to lift it either.

This jet engine isn't optimized for cruise, but for acceleration.

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