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The Engineering Compromise Behind Every Fuel-Saving Winglet
['Aaron Bailey', 'Steven Walker', 'Josh Lamb']
Simple Flying
Despite most notably offering a means for cutting induced drag, trade-offs have to be made around additional wetted area and structural loads.
These vortices create what is known as induced drag.
Unlike parasite drag, which is generated by an aircraft simply moving through the air, induced drag is the byproduct of an aircraft generating lift.
Without something to disrupt this airflow, induced drag eats into an aircraft’s performance.
Namely, winglets work to reduce induced drag, but cause increases in other types of drag in doing so.