6" F5 Newtonian telescope
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6" F5 Newtonian telescope built using mostly 3D printed parts. STEP files and link to Onshape CAD included.
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- Wyświetlenia
- 2024
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Physics & Astronomy
- Licencja
- Creative Commons — Attribution
Open source 6" Newtonian telescope
This telescope is mostly 3D Printed. It features a 6" Mirror and a vixen style mount that allows you to mount it on almost any existing mount. The primary mirror holder as well as the secondary mirror holder are both 3D printed, and fully adjustable. The main tube is a ~1M section of 8" PVC drain pipe. All the 3D printed parts were printed at 15% infill, 0.4mm layer height with a 0.6mm nozzle on a Ender 3, primarily for speed.
List of components:
Primary Mirror - I used a 6" 750mm from Aliexpress
Secondary mirror - 45mm mirror, glued onto the secondary mirror holder. Evostick impact adhesive worked very well.
Rack and Pinion - I used a Meade 07345 however any other one should work fine. There are also 3D printed designs online.
Main tube - ~1M length of 8" PVC Drain pipe. I spray painted the inside with matte black paint.
3D printed Components:
Primary Mirror Holder
Primary Mirror Tube Mount
Primary Mirror Clips x3
Adjuster knob x3
Secondary Mirror Holder
Secondary Mirror Vane Mount
Tube brace upper x2
Tube brace lower x2
Handle (optional)
Meade Finderscope adapter (optional) - fits meade 8x50mm finderscope adapter
Hardware:
A pack of M6 Nuts and washers
3x M6 100mm Coach bolts, M6 threaded rod also works just fine.
3X Springs, they need to have a internal diameter of at least 6.2mm so they fit over a M6 thread. I used springs from a Hilka 200pk assortment
3x M6x50mm (socket cap head) bolts. The length can vary a bit depending on your springs so getting an assortment of metric bolts may be a good idea.
3x M4x20mm bolts, preferably countersunk. Again the length may vary depending on your mirror thickness, so getting an assortment of metric bolts may be a good idea.
4x M4x~40 bolts, used in the secondary mirror mount.
Printing info:
All of the components were printed with eSun matte black PLA, on an Ender 3, however most filaments should work just fine. I used a 0.6mm nozzle at 0.44mm layer
CAD Files
The STEP files are available as well as the STL files. The design is also free for remixing on Onshape. I have used variable tables so that the dimensions can be easily changed to suit your needs, eg using a 8" Mirror instead.
Contact me
If you have any issues or suggestions please feel free to contact me at [email protected]