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Leading-Edge Slats for Horten Wing Stiletto

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3D model description

These leading-edge slats are designed to reduce the landing speed and delay stall.
On the Horten wing "Stiletto" (designed by Raimund Sonst) the landing speed could be reduced from about 70 km/h to 35 km/h.
The example for this was the Me 163 B.
Uli, who in the meantime has also modified a second Stiletto, reports that the angle of attack in slow flight can be significantly increased without provoking one-sided or complete stalls.
This video shows his maiden flight

More information about the aerodynamics and design of the slats can be found at

The short carbon tubes are supposed to be able to glue the mounts 2 and 3 exactly aligned to each other.

Print Settings

All wing parts were printed in spiral vase mode
extrusion width = 0.6
layer height = 0.2
no bottom/top solid layers.

mounts 1 – 3 and spacers
extrusion width = 0.3
layer height = 0.2
perimeters = 3
bottom solid layers = 2
top solid layers = 3
fill density = 30%

mount 4
extrusion width = 0.3
layer height = 0.2
perimeters = 2
bottom solid layers = 2
top solid layers = 3
fill density = 30%

  • 3D file format: STL



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