Re: Concorde

Date:         15 Nov 96 12:25:39 
From:         "tom (t.) lismer" <lismer@nortel.ca>
Organization: Bell Northern Research
References:   1 2
Followups:    1 2
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Scott Odle wrote:
>
> In article <airliners.1996.2393@ohare.Chicago.COM>, 95rgw2@eng.cam.ac.uk
> says...
> >What is the top speed of Concorde, AND more importantly, can it maintain
> >this speed (or any supersonic speed) without the aid of afterburners?

> I was recently talking to some of my JAA counterparts and was told that
> the afterburners are used to accelerate from Mach 0.8 to 1.7 (I think
> that is what they said the range was) but that they were not required for
> cruise.

This is my understanding. Also, the engines used are turbo-jets, as
opposed to turbo-fans, which have a higher exhaust velocity. The TU-144
had turbofans and needed afterburners. Also, just about every fighter I
know of has turbofan engines, and will hence need afterburners for
supersonic flight.