Pulley recommendations wanted

Hardware settings, adjustments and fixes and other hardware discussion. This includes the "doHICky" Laser Power measurement system by Russ.
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Joe Jordans
Posts: 8
Joined: Sat Aug 22, 2020
Location: Adelaide
Country: Australia
Laser Machine Make or Type: China Blue
Laser Power: ~45W
Laser Bed Size: 400x600
Home Position: BL
RDWorks Version: -
Ruida Controller: Other
Windows Version: 10

I am rebuilding the gantry system on my laser cutter. The one that I bought does not have proper linear bearings and gets very wobbly when I push the speed. I thought that I would change out the drive system too.
I think I remember that Russ said that bigger pulleys were better for removing artefacts.
Cloud ray also sell a 3:1 reduction gearbox as part of their gantry system.
What do you guys recommend? Why?
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