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4D Aerobatics — Giant Scale Thrust Vectoring!

4D Aerobatics — Giant Scale Thrust Vectoring!

Wait, what!!  A Nose-Down Hover? Yes, indeed. this 40% scale aerobatic model is pointing straight down, frozen in a vertical hover.We caught up with German pilot and Hacker team member Markus Rummer to get an inside look at this RC black magic!.

4Dpilot

Markus, a seasoned pilot, designer, and fabricator, was strutting his stuff with a thrust-vectored, variable-pitch-propped, electric-powered, 3.1m Delro Raven. According to Markus, the highly modified 39-pound model is one of a kind and is an eighth-generation prototype developed over six years.

Appearing to defy gravity, the Raven incorporates a functional wing-mounted pitot tube and an onboard sensor to automatically adjust prop pitch to match the given airspeed. Slower forward movement equals less pitch, and vice versa.

At the business end, carbon-fiber helicopter rotor blades, reduced in length, act as the propeller, with two servos controlling the variable pitch thrust vectoring with a custom collective mechanism. The model is powered by a modified Hacker A200 and gets its power from two 5,000mAh 12S LiPos (lithium polymer battery packs).

4DProp

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Updated: August 1, 2016 — 10:55 AM

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