Re: Convair CV990 "Coronado"

Date:         16 Aug 99 22:28:05 
From: (Filip De Vos)
Organization: University of Ghent, Belgium
References:   1 2
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Scott Peterson ( wrote:
> Part of the problem as well, was that Convair management bet that
> Boeing and Douglas would not be able to produce economically feasible
> aircraft using turbojets. They decided to design the 990 to use early
> fanjets and were locked in to an exclusive deal with GE after GE
> assured them that they had the patents on the technology.  As
> expected, the engines were late and early versions were uneconomical
> and unreliable.

> Also Pratt and Whitney did an end around on the GE patents and
> produced a competing product much faster than was expected so their
> hoped-for advantage never really materialized.

Can you tell us some more about those fanjet patents? Are you referring to
GE's aft-fan design? If so, then the 'end-run' of P&W would be to build a
two-axis powerplant, with the fan in front.

      Filip De Vos              

          There are plenty of ways to empty a solar system.
                       --   John S. Lewis   --