Re: Some Turbofan Questions

From:         Graham Glen <>
Organization: Ain't nobody here but us chickens
Date:         07 Jul 96 14:09:01 
References:   1 2
Followups:    1
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In article <airliners.1996.1129@ohare.Chicago.COM>, Robert & Linda
Wilson <> writes
>> And while I'm still in question mode,
>> did early commercial jet engines (Comet, 707 etc) use
>> any bypass air, or did it all go through the core?
>Comets were originally engined with RR Avons - zero bypass. The 707's
>bought by BOAC were engined with RR Conways. These, I think, were the
>first bypass engines in comercial service, however the bypass level was
>very low by today's standards. Less tha 0.5 if my memory serves me right.

Just for the sake of completeness, Comets started life with DH Goblin

Graham Glen
".. and it always was possible to measure the distance between so-called
management and the so-called creative by the time it took for a memo to go
in one direction and a half-brick to come back in the other."
        Dennis Potter