Dan Gelbart Workshop Tour HD
Why Hacker News recommends it
HN commenters cite it as a reference for what micron-level precision machining looks like in a home or small shop, and for his collection of HP test gear.
Recommended by 0 people across 0 different months, 2022 to 2026.
What it is
Dan Gelbart gives a 36-minute tour of his personal workshop, built around high-precision machining. It shows his micron-accurate mill and lathe, air bearings, climate-controlled spaces, and the HP test equipment he keeps on hand.
What people said
Cites mikewarot · 2022-10 · Hacker News · on “Charges and arrests involving export violation schemes to aid Russian military”
Ok, so the Moore #3 Grinder was only guaranteed to 2.3 microns, and 0.75 uM in any given inch, after 10 years. [LINK] To be fair... I did try to find the specific grinder, but it doesn't appear to be listen in any article. Also, I agree that having CNC, and all the other upgrades is nice. Dan Gelbart says his is accurate to a micron [this video]
Cites anon6362 · 2025-04 · Hacker News · on “Stainless steel strengthened: Twisting creates submicron 'anti-crash wall'”
Dan Gelbert with his micron accuracy milling machine and lathe. He has stuff on air bearings, positive pressure rooms with pH and humidity control measures. [this video]
Cites ofrzeta · 2026-10 · Hacker News · on “An illustrated online book on Hewlett-Packard equipment”
As I understand it it is focused on HP test equipment. Here's a video where Dan Gelbart talks about the HP test devices in his workshop [this video]