CONNECTED — EVERY REVISION
Every revision.
The changelog is the blog. Every row below is derived from a sheet’s own revision list, so a change cannot appear here without also appearing on the sheet it changed — we would rather show what moved this week than write an essay about it.
26 ENTRIES08 SHEETSLATEST · 173 D AGO
| DATE | REV | SHEET | CHANGE | BY |
|---|---|---|---|---|
| 2026-04-19 | Revision 4 | BDR-26-04 | Reprinted the camera mast in PETG after two PLA masts crept in sunlight. | RM |
| 2026-04-08 | Revision 3 | BDR-26-04 | Ballistic fit window 120 ms → 90 ms. Catch rate 79% → 84%. | RM |
| 2026-03-29 | Revision 2 | BDR-26-04 | Moved the vision loop off the G4 onto the Orin. Steering wobble gone. | DZ |
| 2026-03-25 | Revision 1 | BDR-26-04 | Lid: servo flap → torsion spring with solenoid release. Commit point moved 200 ms later. | DZ |
| 2026-03-20 | Revision 3 | BDR-26-01 | Cut a 55° stop block for high, slow arcs. Used to collect 3,100 of the detector training frames. | DZ |
| 2026-03-01 | Revision 2 | BDR-26-01 | Added a hardware trigger out so every throw carries a timestamp on the camera clock. | RM |
| 2026-02-24 | Revision 1 | BDR-26-01 | Release moved from a servo-commanded angle to a ground hard stop. Scatter 61 mm → 14 mm. | DZ |
| 2026-02-04 | Revision 3 | BDR-26-03 | Published sheet, sections 00–06. | DZ |
| 2026-01-20 | Revision 2 | BDR-26-03 | Index beam retimed; cycle 5.1 → 4.2 s. | RM |
| 2026-01-18 | Revision 1 | BDR-26-03 | Station 4 blade radius 0.8 → 1.2 mm after tearing at 200 gsm. | DZ |
| 2025-12-02 | Revision 3 | BDR-26-02 | Thumb cluster reprinted at 4° more splay after two weeks of use. | DZ |
| 2025-11-16 | Revision 2 | BDR-26-02 | Trackball moved 14 mm inboard; thumb no longer leaves home. | DZ |
| 2025-11-11 | Revision 1 | BDR-26-02 | Outer column travel 3.4 → 2.8 mm. | DZ |
| 2025-10-02 | Revision 3 | BDR-25-04 | Soft limits added on all three axes after a scripted move drove the gripper into the furnace door. | RM |
| 2025-09-17 | Revision 2 | BDR-25-04 | Published the nine-point accuracy map, including the ±0.18 mm miss, in the handover pack. | RM |
| 2025-09-05 | Revision 1 | BDR-25-04 | Z head rebuilt on two rails at 90 mm centres. Droop at full Y extension 0.30 mm → 0.02 mm. | DZ |
| 2025-08-06 | Revision 4 | BDR-25-02 | Added the fourth board outline to the frame. Teach time 22 → 10 min. | RM |
| 2025-07-14 | Revision 3 | BDR-25-03 | Published the 148 raw dyno logs and the fixture drawings alongside the sheet. | RM |
| 2025-06-30 | Revision 2 | BDR-25-03 | Marked shelved. Dynamometer untrustworthy above 40 Hz; n = 1 unit per part number. | DZ |
| 2025-06-22 | Revision 1 | BDR-25-03 | Load cell 200 N·m → 50 N·m. Noise floor 0.40 → 0.09 N·m. Resonance at 44 Hz identified the same day. | RM |
| 2025-05-12 | Revision 3 | BDR-25-02 | Published the sheet and the 1,860-joint labelled set. | DZ |
| 2025-04-24 | Revision 2 | BDR-25-02 | Feature set 30 → 12. False calls 11.4% → 6.8%; misses unchanged at 6. | RM |
| 2025-04-17 | Revision 1 | BDR-25-02 | Coaxial light → four-quadrant ring. Fillet contrast on matte joints up about 3×. | DZ |
| 2025-03-06 | Revision 3 | BDR-25-01 | Published the 40-point error map with the 11 mm edge failure left in it. | DZ |
| 2025-02-24 | Revision 2 | BDR-25-01 | Tension floor added to the planner. Slack events 7 → 0 over 200 moves. | RM |
| 2025-02-17 | Revision 1 | BDR-25-01 | Winch drums recut with a helical groove at 1.2× cable diameter. Centre error 9 → 3.2 mm. | DZ |
Newest first · ▲ marks a revision inside the 21-day window · △ after that, on its own
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