I built an Equatorial Mount for astronomy, with two HarmonicDrive gearboxes
I built a portable, lightweight, yet mighty equatorial mount with two HarmonicDrive gearboxes. The EQ mount weighs about 16lbs and can support 25lbs without counterweights, or 70+lbs with counterweights. Update: I finally finished cleaning up my design files and released all of them (part design, solidworks drawings, BoMs, PCB boards and so on) here: https://github.com/alanzjl/AlkaidMount BGMs: Podington Bear - Bated Breath Gotye - State Of The Art Portugal. The Man - Feel It Still Time to Pretend - Lazer Boomerang

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DIY Harmonic Drive Telescope Mount w/ Rokinon 135 Rig

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I Made A $30 Tracker, Is It Any Good?

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New model! KE-526KUBT edgebanding machine

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This Engine Will Reinvent Space Travel

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Making a Deformable Mirror

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Homemade trackers and mounts

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Tracking for a Dobsonian Telescope - Home Made EQ Platform

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AI Designed This Organic Flying Wing… I Had to Build It (+16% Efficiency)

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My Homemade Jet Boat Is Terrifying

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A sub-$500 clone of the ZWO AM3!? First impressions and tests! Teseek 14 SWG/Harmonic mount

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Harmonic vs Cycloidal Drive - Torque, Backlash and Wear Test

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If I can build this at home, what is the CIA hiding?

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658kmh 408mph! | When everything just goes right

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Budget Tracking & GoTo Options Including OnStep for Astrophotography

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DIY: Building an EAF (electronically assisted focuser) for under $20 US

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Carbon Fiber Harmonic Drive (Strain Wave) Telescope Mount

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How to Aluminize Telescope Mirrors

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HARMONIC DRIVE Mounts Showdown! HEM27 vs. AM5

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Why You Need to Make Your Own Telescope Parts

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