"Andrew Chaplin" wrote in message
news:XnsA48E6D3CB4AECHortenzyFortensnort@216.166.97.131...
>
> The Convair 880 cruised at .89 Mach and the 990 a little faster, but they
> could not compete with Douglas and Boeing.
And even back when gas was cheap, the fuel burn at Mach 0.9 made them barely
economical.
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