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3D Printing Discuss 3D printed items and 3D printers as they relate to RC


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Old 09-09-2021, 12:23 PM   #1 (permalink)
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Default 3d printed gears?

Has anyone tried 3d printing the front tail drive gear for a trex 550x?
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Old 09-09-2021, 01:06 PM   #2 (permalink)
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Might work for a 550 size, at least to get good engagement. I tried printing some gears form my Blade 300x (same gear as on the 450) and while it would work if there was nothing else, its not a good replacement by a long shot. The teeth just aren't well enough defined, at least from my basic FDM printer.
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Old 09-09-2021, 06:14 PM   #3 (permalink)
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Might be doable if you print with 100% infill, small layers and then salt anneal in the oven. It would take some trial and error since the annealing will cause a small amount of shrinkage.
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