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-   -   F, S, green dot speeds (https://www.pprune.org/tech-log/413562-f-s-green-dot-speeds.html)

Natstrackalpha 8th May 2013 01:07

Why don`t you just say that `F` spd is to protect the flaps (after t/o) but `S` spd is the minimum speed to be selecting ( or indeed, merely considering) flaps up . . . .?

I mean, thats why some SOPS write "S" spd - flaps up" responded with `spd check` pause . . . . . . . . . . selects flaps up - "flaps up" instead of just bring in them straight up bang on `S` spd.

It, does stranger stuff like turn and burn without stalling in config 2 after takeoff, at a seemingly low, low spd - so it may be even stranger and thus more capable at 180 clean aprt from the fact that the stall spd is greater in a turn . . etc.

The idea of selecting your own spds by which you, the pilot, will have the amount of flaps you consider you need sounds like a wiser choice, even though the bloody thing is hardly going to stall - and yet in a climbing turn when heavy at low alt this does give one a sense of uneasiness. Flap referring to Flap setting or Flaps referring to Flap setting(!)

ahhh, the dicotomy of flying or being flown.

If you combine all the efforts of the onboard computors, they seem to form a node, a cerebral synapse called the Lift computor perhaps - so, if we are flying a computor working on our lift, then just as the good old a/p has the accuracy and handling characteristix way beyond our own ability to fly so accurately straight and level - so too may this FAC and ELAC combined (not to mention all the rest) . . piece of kit be able to fly us and provide enough lift, even if our instincts are telling us that for this wt and spd, we should not be doing it.


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