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Old 16th Jun 2010, 10:42
  #1512 (permalink)  
Yiorgos
 
Join Date: Oct 2006
Location: 127.0.0.1
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venturi choke?

A venturi may be OK in a glider but it will choke way before M 0.82 (cruise Mach No for A330).

(hint: airflow is accelerated within a venturi)

And icing will also change it's geometry and lead to erroneous readings.
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