Just remembered this.
OK, so Alan Bond’s lot are getting their engine to work. Excellent.
Now someone needs to think about what to build the plane out of. No problems going up. But that wing and fuselage surface is going to take a beating coming down. You know, tiles on the Shuttle and all?
To which the correct answer is scandium aluminide. Doesn’t even begin to deform until 1,400 oC. Just absolutely the best material on the planet to build it out of.
Makes friction stir welding a hell of a lot easier too.
Now, who is it I know that’s, Deo Volente, going to be digging up scandium in the spring?