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eos - Avionics development rocket — image 1
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eos - Avionics development rocket

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A simple, fully 3D printed rocket designed for development and testing of flight computers.

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Model information

License
Creative Commons — Attribution — Noncommercial

Avionic system versions:

  • V1 - basic avionics sled in the nose cone

  • V2 - integrated avionics into the bulkhead (2 30x70mm perfboards, 6mm wire gap in-between)

Dimensions:

  • Diameter: Ø40mm (1,57")

  • Width: 96mm (3,78")

  • Length: 578mm (22,76")

Specifications:

  • Recommended motor: D9-7 or D9-5 (18x70mm)

  • Compatible launch rail: 2020 (20x20mm) metric or 1010 (1x1”) aluminium extrusion

  • Recommended parachute size: ~700cm²

  • Recommended shock cord: ~2,0m, Ø2,5mm elastic

Avionics:

  • Build volume: 83,53cm³

  • Maximum diameter: 34mm

  • Maximum height: 92mm

  • Recommended weight: 30g

You can input the weight of your avionics in the attached .ork file and plot a flight simulation via OpenRocket.

Hardware:

  • 2x M2x8mm screw (Rail button)

  • 6x M2x10mm screw (Bulkhead & motor retainer)

  • 2x M2x4mm insert (Rail button)

  • 6x M2x5mm insert (Bulkhead & motor retainer)

Print:

  • PLA/PET-G with 10% gyroid infill 

  • Wall thickness: 1,5mm

  • Top/bottom thickness: 1,5mm

  • Bond sections with 2-part epoxy

  • tip: use polyamide tape to protect the motor mount

Fly at your own risk and follow all applicable laws :)

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