> High bypass turbofans are the "engine" part we're talking about no body wanting to make for them. How saucy is an engine that doesn't exist?
The plane doesn't exist either, it was a plan.
> And composite materials like on the A350 and 787 have been around, see the A350 and 787
Their point of comparison is the Concorde. If they can make a plane that is significantly cheaper than the Concorde, thanks to the great tech that is now mainstream (composites, turbofans, CAD) but wasn't back then, it can be similar in cost to modern day business class, while still being supersonic. At least that was their marketing pitch, i don't see it taking off without an engine.
The plane doesn't exist either, it was a plan.
> And composite materials like on the A350 and 787 have been around, see the A350 and 787
Their point of comparison is the Concorde. If they can make a plane that is significantly cheaper than the Concorde, thanks to the great tech that is now mainstream (composites, turbofans, CAD) but wasn't back then, it can be similar in cost to modern day business class, while still being supersonic. At least that was their marketing pitch, i don't see it taking off without an engine.
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