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Old August 29th 18, 01:20 PM posted to rec.aviation.soaring
Tango Whisky
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Default Hard wax v/s liquid wax

Le mercredi 29 août 2018 13:42:25 UTC+2, Martin Gregorie a écritÂ*:

Read up on turbulators. They're not needed on modern airfoils,


Except that ALL modern airfoils use turbulators.