OpenThruster

Open source 3D printed thruster for AUVs and ASVs.

3D Render:

Exploded View:

Final Assembled:

Assembly

Assembly details on the Wiki page: https://github.com/DisCoLabIITK/OpenThruster/wiki

The 3D printable STL files are in the STL folder.

Print settings for Nozzle:

• 0.4mm Extruder nozzle
• 0.2mm layer height
• 30% Infill (Gyroid)
• 4 Perimeters
• 6mm Brim.

Print settings for Propeller:

• 0.1mm layer height
• 0.2-0.4mm Extruder nozzle
• Supports enabled
• 4 Perimeters
• Solid infill.

FreeCAD source files in FreeCAD source files folder. FreeCAD v0.19 was used for old design. New design files for FreeCad v1.0 are added in separate folder.

OpenProp source files downloaded from : https://openprop.engineering.dartmouth.edu/. The folder uploaded here has the modified option of NACA001612 and 001615 profiles.

Bill of Materials

1. PLA / ABS Filament for printing the propeller, nozzle, top cover and motor inner.
2. 3x M2.5 5mm Screws - Front Cover Screws
3. 4x M3 8mm Screws - Motor Mounting Screws
4. 1x A2212 1000KV BLDC Motor and the 4 screws (Propeller mounting screws in figure above) that come with it.
5. 1x 30A ESC with reversing capability

Testing Video:

https://drive.google.com/file/d/1CwWSbAQDMGnaGXgHJ6uAxaj82aNr3GoJ/view?usp=sharing