Home to the fastest and most efficient 4s and 5s quads on the planet; a site dedicated to understanding the dynamic and physical attributes desired in quadcopter frame design. About the name: Down and Dirty

Unleash Your Quad’s Full Potential: Understanding Drone Physics

Flight Video of the 44g 5″ Production Frame Prototype (Based on the XLR-1 Project)

Project VXR-190 Wrap Up:

Average 100m Opposite Direction Speed: 165.80 MPH (266.83 KMH)

Max Speed 172.18 MPH (277.10 KMH)

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Project XR-210

GPS Data Analysis

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Project VXV Progress:

4s Run: 135.9 mph

5s Run: 161.1 mph

VXV 19

This isn’t a Joke: Quadcopters Have Hit the Sound Barrier

VXT 06

Smart ESCs? The Wraith32 35A

Wraith32 00a

Project VX1

Project VX1 01 154.5a

GPS vs Radar Gun

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A Heavier Quadcopter Can Go Faster: Understanding CT/CG Alignment

C Top 0 CT

The Z frame?!?! The inefficiencies of H and X frames

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Mobius Mini: The Best FPV Racing Action Cam?

Mobius Mini 01

Project C5

Project C5 05

Soldering Basics

Soldering 05

T150 Is Ready For Test Flights…

t150-08

Project C3: Finished but not Documented

project-c3-14

Are We Putting Our PIDs On Crack?

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Project C1/C2: C2 Build Completed

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C2 With 4S Battery Inside

Product Review: EMAX Bullet Series 20A ESC

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Project B1: Hits 113 MPH

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The Equations for Speed

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Project SK1/2: SK2 Finally Flies

sk2-10b

Project F1 Refined

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Speed Optimization Series

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Make Your Own “Snowman” Antenna from a Rubber Ducky

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Product Review: Aikon Clone??? Spedix 30A HV ESCs

spedix-30a

Add a DVR to the Eachine EV800

eachine-ev800-prodvr

Prevent Vtx Overheating

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My First Product Review: APC Propellers

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