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Old 21st Mar 2012, 13:05
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Ischicopter
 
Join Date: Aug 2010
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Difference Vsr <-> Vs
Hi folks,

can anyone explain the difference between Vsr (reference stall speed) and Vs?

I understand Vsr is used for CS-25 aircraft and Vs is used for CS-23 aircraft. Still, I wonder why? They are both referring to the CAS at CLmax so there must be another definition for it.

Any help will be appreciated. Thanks!

Cheers.
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