Free plans for SZD-55 - Nexus 900



  • Rewiev:

    SZD-55 rc GLIDER, also named Nexus 900 sailplane in rc world: original design by Franck Aguerre!

    Free plans for 3D printed rc glider SZD-55


    • ROTOWING system with very easy commands setup (2 micro servo and you fly!)
    • TOTAL WEIGHT: 150gr~
    • WINGSPAN: 93cm
    • AIRFOIL: fad05cnc (credits to Franck Aguerre)
    • FLY DIFFICULT: medium (not for beginners), but fun guaranteed!
    • TOTAL PRINTING TIME: 15/20 hours
    • Ready to fly in 2-3 hours of works/settings.

    Now print and fly!

    Free plans for 3D printed rc glider SZD-55

    Material needed

    • 1 x wing joiner: best choice: 3mm carbon rod — 50cm length; alternative: any rod of 3mm, carbon or steel, from 20cm to 50cm;
    • 4 x wing/servo commands rod: 0.8/1mm steel: 5cm; (umbrella rod?)
    • 1 x shaft for fix commands to fuselage: 2mm steel: 5cm; (bicycle spokes is 2mm)
    • 2 x 3.7gr servo (any light micro servo);
    • 1 x 1s lipo 380mAh (any battery 10/20gr);
    • your RX (2 channels);

    Superglue (cyanoacrylate) and optional double-sided tape. (also epoxy is ok, but more complex in my opinion)

    Electronics:

    3.7g Micro Analog Servo
    Buy: BangGood, AliExpress
    Power HD-1370A 0.6KG 3.7g
    Buy: BangGood, AliExpress
    3.7G Micro Light Servo
    Buy: BangGood, AliExpress
    RC Quadcopter Spare Parts
    Buy: BangGood, AliExpress
    Gens Tattu 3.7v 380mAh
    Buy: BangGood, AliExpress

    Free plans for 3D printed rc glider SZD-55

    3D printing settings:

    Fuselage: (3 parts — 60gr~ total weight — vertical print)

    • tail: 12gr — solid infill every 25 layer (5mm), 0% internal infill, 1 perimeter, 3 top, 3 bottom.
    • center: 10 gr — solid infill 4% (one X cross), 1 perimeter, 3 top, 3 bottom.
    • head: 40gr — solid infill ~10%, 1 perimeter, 3 top, 3 bottom. Supports on servo housing and wings commands rod (not on wing joiner hole and battery top hole, if possible).


    Wings: (3 parts — 60gr~ total weight — vertical print)

    • 30gr/35gr each wing, 3% infill and solid infill every 25 layer (5mm). You need to mirror flip the wing parts for left/right wing.


    Canoppy: (<10gr — vertical print )

    • 0-3% internal infill, 1 perimeter, 3 top and 3 bottom (sand for correct positioning), maybe support.


    Commands:

    • strong print: 3+ perimeter, 50%+ infill. 3+ top/bottom. Mirror flip for left/right command.



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