Effectiveness of Wing Root Gap for Stall Control

What is it about?

A wind tunnel study that investigates the effect of a wing root gap on the lift and drag characteristics of a simple aircraft model.

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Why is it important?

In the sUAS regime, unconventional wing design, like a wing root gap, is a possibility due to smaller structural scale. Usage of a wing root gap to control stall is a useful design that the sUAS platforms can employ to either fly at lower speeds or carry more payload.