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aneeta96 t1_je6enc8 wrote

Reply to comment by erosram in This Swiss hypersonic hydrogen-powered jet will cut flights from Europe to Australia to 4 hours by altmorty

If something is no longer an idea on paper but an actual working object it is no longer a theory.

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rsta223 t1_je8cjjw wrote

A 200km/h drone is so far from a passenger carrying hypersonic plane that the hypersonic plane is absolutely still theory.

This is a complete pipedream and will likely never work.

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Ihavenoideawhatidoin t1_je7cl9y wrote

Which is why they’re still theoretical. They don’t have hydrogen engines and they’re subsonic on the prototype they have. They don’t have a working object that matches their stated goals. Not even close.

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kthegee t1_je7o8mu wrote

You do realise prototype /= end product , this is why engineers of all kinds hate management.

Yea yes the bare basic flight tests rule the design capable of staying aloft , straight into production it goes.

Smh

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erosram t1_je7cn7j wrote

Only if it accomplishes the claim, which this doesn’t.

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aneeta96 t1_je7hi1a wrote

Reality rarely lives up to the theoretical expectations. Doesn't make it any less real however.

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blargh9001 t1_je8m7k3 wrote

I made a paper plane prototype of my faster-than-light spaceship, so FTL travel is no longer just theoretical.

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