COB-exact: timeline 1:1 from ARMACSUB.COB (rev31.gp3, the 3.1 balance). the sub builder rises a 5.65 elmo plate from behind flapping doors.
Animation

PNG frames

Frame 0 / 860.00 s
COB timeline (ARMACSUB.COB)
- 0.40–1.02 s — RequestState: doors tilt −67.4°/+67.4° (108.5 deg/s, 621 ms)
- 1.02–1.65 s — both drop −3.15/−3.1 elmo (4500/4446 elmo/s)
- 1.65–2.31 s — the plate rises +5.65 elmo (8100 elmo/s)
- 2.31–2.50 s — post turns to the build site (160 deg/s)
- 2.50–5.00 s — Build hold
- 5.00–7.20 s — Folds: plate sinks at 8190 elmo/s, doors close (17 stages)