Re: B747 technical questions

Date:         28 Jul 97 01:13:27 
From:         David Lednicer <dave@amiwest.com>
Organization: Analytical Methods, Inc.
References:   1
Followups:    1
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187 wrote:
>
> Some questions:-
>
> 1) For the 5th engine which can be installed on the pod under the wings,
> can it be used as part of the aircraft's engine thereby making the
> aircraft run on five engines?

	When the 5th engine is installed, it is inactive - it gets no fuel.  To
prevent the engine from windmilling, which is a very high drag state, a
special inlet is fitted to change the inlet area and hence, massflow.

-------------------------------------------------------------------
David Lednicer             | "Applied Computational Fluid Dynamics"
Analytical Methods, Inc.   |   email:   dave@amiwest.com
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