Hypersonic passenger jet designed

[Rick]

A British firm claims to have designed a hypersonic passenger plane that could one day fly between Europe and Australia in less than five hours.

The A2 aeroplane, designed by Reaction Engines in Oxfordshire, would carry 300 passengers at a top speed of 4,000mph.

More: http://news.bbc.co.uk/2/hi/uk_news/england/oxfordshire/7228341.stm

(Anyone remember HOTOL...)