[FPSPACE] Chinese manned space program

[Sven Grahn]

At 14:29 2000-09-10 -0400, Dwayne Allen Day wrote:
>
>On Sun, 10 Sep 2000, Sven Grahn wrote:
>
>> I think they are fold-out "spoliers" or drag brakes designed to bring the
>> center of pressure back from the nose in order to stabilise the flight
>> configuration (in this case: the spacecrfat pulled by the escape rocket).
>
>Are they used during flight or only in the event of the firing of the
>escape rocket?
>
>And why are they needed at all?  The US does not use them, neither does
>Ariane.
>
>
>
>DDAY
>

They are used only when the escape rocket fires.

Ariane 4 does not have "spoliers" but fins and a flared base  -  all
contributing to moving the centre of pressure aft.

Spoliers are also used to stabilise bombs dropped from aircraft.

Sven


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