Re: B747 technical questions

Date:         27 Aug 97 03:57:52 
From: (Gerard Foley)
Organization: The Greater Columbus FreeNet
References:   1 2
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Iain Stuart ( wrote:
: Many Moons ago, the following question was asked.....
: >> The JT9D was flight tested
: >> on a B-52 and the RB.211 was flight tested on the port pylon of a
: >> VC-10.  How was the CF6 flight tested?  Perhaps on a C-5A, from whose
: >> TF-39 engines the CF6 was developed?  On what, then, were the TF-39
: >> engines flight tested?

: OK, maybe I'm being the Devil's Advocate here, but Why bother ?

: >From 60 years of gas turbine flying, improved Simulated Facilities,
: improved mathematical modelling and suchlike, there is minimal info to
: be gleaned from flight testing in an unrepresentative environment.

: All it does is give the Luddites a warm feeling.

: And that is MY opinion.

   Have you heard of the Hubbell Space Telescope optics?