Check out Xometry at https://www.xometry.com/darkaero

In this video, we dive into the details behind the decision to use a split flap design over other common options like the plain flap and how the mechanism for the flap system on the DarkAero 1 works. We also address some misconceptions that surround split flap designs, specifically around the drag they produce when deployed.

Additional resources on the lift and drag characteristics of split flaps vs plain flaps:

NACA Report No. 661: https://ntrs.nasa.gov/api/citations/1...

NACA Report No. 554:
https://ntrs.nasa.gov/api/citations/1...

NACA BOUNDARY—LAYER AND STALLING CHARACTERISTICS OF TWO SYMMETRICAL
NACA LOW—DRAG AIRFOIL SECTIONS: https://ntrs.nasa.gov/api/citations/1...

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If you enjoyed this video and would like to see more of this type of content, follow along as we work to engineer the fastest, longestrange aircraft you can build in your garage!

0:00 Intro
1:34 Flap Design Options
7:50 Which has more Drag?
10:08 How our flaps work
13:01 What's Next?

More information on DarkAero can be found on our website and other social media accounts:

https://www.darkaero.com
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https://x.com/DarkAeroInc