ZWO EAF Holder for Celestron Edge HD 9.25 " (8" , 11")
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ZWO EAF Holder for Celestron Edge HD 9.25 or other simillar Celestron SC telescope. Quick unlock for manual focusing.…
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- GNU General Public License v2.0
ZWO EAF Holder for Celestron Edge HD 9.25 or other simillar Celestron SC telescope.
Quick unlock for manual focusing.
BOM
- 1x GT2 Timing pulley 20Teeth/Bore 5mm
- 1x GT2-142mm Timing Belt size 6mm
- 3x M4 worm
- 3x M3 x 15mm Inbus screw
- 2x M4 x 35mm Hex Head Screws
- 2x M4 Assortmen
Add for Version 2
- 2x M3 x15mm Inbus screw
- 2x M3 x20mm
- 2x M3 nuts
Add for Version 3
- 1x M4x 20xmm Hex Head Screws
- 1x M4 nuts
- 1x M4 Assortmen
Optional for OnStep focuser
1x Nema17 Stepper motor 17HS15-1704S
1x GT2 Timing pulley 16Teeth/Bore 5mm
4x M3x10mm imbus screew
4x Self Tapping Screw 2x6
1x RJ45 - PCB on EasyEDA
NOTE
Use a M4 tap to create a thread for worm in pulley and M3 tap to create a thread.
FreeCAD source on my github
UPDATE
2019-12-08 Version 2 add belt tensioner
2019-12-11 Version 3 improved belt tension
2020-09-03 Version 4 next imporved and fix for Optec Lepus reductor
2020-11-28 Add holder for NEMA17 OnStep focuser
2021-01-01 Add beld tensioner for V4b
Other remix
- Some improvements by by James Dedij
Category: DIY