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drone glider

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Description

Caracara - RC Glider / Motor glider

Similar to the Crobe, but bigger (Wing span 930mm).

Based on original design (balsa made) designed by Franck Aguerre, described here : http://lecrobe.free.fr - Look Caracara.zip

Requires :

  • Two servos like Corona DS-939MG or HK939MG (HK clone)
  • Lipo 1S 600mAh or bigger, 2S prefered with HV servos (glider)
  • Motor 1806-2300Kv + 10A controller + 2S-450mAh + 6x3prop or similar setup
  • Tiny 4ch receiver
  • Main carbon rod diam. 4mm
  • 2mm balsa for elevator
  • Small parts (pvc tube 2/1mm, steel rod diam 1mm...)

Print

  • Around 150g of PLA+
  • Printer height max 218mm (Part1_Glider), alternatively the glider fuselage can be done with Part1_Motorized + Nose for smaller printers.
  • No support required, just some brim.
  • Layer thickness 0.2mm - One 0.4mm wall (can be lowered to 0.36mm for part2/part3)
  • Layer 0.12mm and line width 0.3mm for 'Light' versions of wings.
  • 'flat' wing means without dihedral, like original balsa's Caracara.
  • Hatch/lock : layer thickness 0.15mm, 2 perimeters = 0.8mm

Weight

  • Light wing : ~41g each wing
  • Complete fuselage for pure glider : ~51g
  • RTF weight : around 240g with motor and 2S -450mAh

RC settings

  • Delta mixer
  • Elevator function: +/-6mm (measured at trailing edge / wing root)
  • Aileron function: +/-4mm

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