Spars needed:

• (1) 6x500mm

• (4) 3x250mm

Recommended motor & prop:

• 16x16mm mounting hole

• 2212 900-1000kv

• 9x6 or 10x7 (preferably folding)

Recommended electronics:

• TBS crossfire / ELRS

• 5.8ghz video (19x19 camera)

• Matek F405-WMN flight controller

• Matek M8Q-5883 GPS/Compass

• 35a BLHeli ESC

• Emax ES08MAII servos

• Example battery if running action camera: 4S1P 21700 4200mah (Molicel P42a) or 1500-2200mah 4-6S Lipo

• Example battery without action camera: 4S2P 18650 7000mah or up to 3300mah 4-6S Lipo

Misc:

• Polymaker Polylite prefoamed LWPLA

• Polycarbonate or other high-temp filament for the motor mount

• Medium CA glue

• 200x200x220 minimum size print bed (Ender 3)

• Control horns (this one)

• M3 threaded inserts (max 6mm height)

• M3 bolts of various sizes

• 6x3mm magnets

• The action camera is attached to the Slinger via a 300mm rubberized strap

Print settings:

• LWPLA parts should be single wall, and 3% gyroid infill, or 3% cubic subdivision for lighter weight

• High temp parts (motor mount) should be double wall and high infill (25%)

• Set horizontal hole expansion setting correctly (try 0.25) for spar fitment

Additional Info:

• Use INAV or Ardupilot auto launch, and throw over the head for a clean trouble-free launch

• Land with 0 throttle, ideally while prop is folded

• CG is marked under the wing, however is very forgiving +- 10mm

Licensed under the Creative Commons - Attribution - Non-Commercial license.