PPRuNe Forums - View Single Post - Merged: Qantas 747 Engine failure. Returns to SFO
Old 3rd Sep 2010, 06:32
  #60 (permalink)  
Capt Claret

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WangFunk

I don't see any rudeness.

I guess we'll have to agree to disagree. I'd opt for fuel dump and not landing overweight, as I don't perceive the ignition threat that you do.

If the fuel jettison was between engines 1&2 and 3&4, I might agree with you but from close to the wing tip, I'd be quite comfortable.

Mind you, I've not flown a jet that can dump fuel.

Ohh and by the way, a match doesnt even nearly resemble the temperatures from a turbine section!!
I understand that.

It would be interesting to know whether fuel vapour would ignite at high altitudes. I'd imagine that it would be too rich a mixture, with too little oxygen, and how quickly would the sparks cool in sub zero airflow of a > 200 kias?
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