alexandre grynagier
designer/concept artist
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DROPSHIP/ FPV ROCKET RC PLANE

This design probably stands at the edge of a lifting body Vs blended wing design. That's why the design was rejected, and although the wing elongation is excesssively small, the client decided to reject the design. Now for the specs, this one is 300mm long, for a wingspan of only 160 (including the elevons). I had to design my own airfoils, adding a twist in the wing to blend them together. The camera had to be underneath, since this plane need to fly at high alphas (around 20°). Last, but not least, it should be 360g at full load, with a stalling speed around 60 km/h, and printed using FDM/PLA.

Front view of the machine. On this shot, it is easy to see the small turbulators used to prvent stalling by creating a turbulent flow, and the two main vortex generators.

Front view of the machine. On this shot, it is easy to see the small turbulators used to prvent stalling by creating a turbulent flow, and the two main vortex generators.

The camera is at a -10°angle, as the powered flight is at alpha =0, while the glide should be at alpha= 5>20°

The camera is at a -10°angle, as the powered flight is at alpha =0, while the glide should be at alpha= 5>20°

The wingtips are in fact elevons, as they fit several purposes: elevator, ailerons and winglets.

The wingtips are in fact elevons, as they fit several purposes: elevator, ailerons and winglets.

The inside provides enough room to fit whatever needed in alignment with the aircraft's center line.

The inside provides enough room to fit whatever needed in alignment with the aircraft's center line.

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