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Airbuses Spoilers And Parasite Drag  
User currently offlineRadarbeam From Canada, joined Mar 2002, 1310 posts, RR: 4
Posted (12 years 3 months 1 week 4 days 15 hours ago) and read 1502 times:

Hey folks,

Does anyone knows if the drag created by the reverser doors on airbuses aircraft accounts for a good chunk of the deceleration. Note that I'm suggesting that the doors would be open into the airflow around the engine but no reverse power would be used. I've been wondering that for some time now. I'm guessing that they creates some parasite drag, thus they help slow down the aircraft.


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Regards,
Radarbeam

1 replies: All unread, jump to last
 
User currently offlineBio15 From Colombia, joined Mar 2001, 1089 posts, RR: 7
Reply 1, posted (12 years 3 months 1 week 4 days 14 hours ago) and read 1487 times:

Correct me if I'm wrong, but if the reverser doors open, bypass airflow will be redirected through them, even at idle power.

Assuming the engine is off, the 4 reverser doors on each engine will interfere with the airflow around the engines by blocking it, so it would help in slowing the aircraft down. Although they don't account for a good chunk of the deacceleration.

-bio


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