I’ve been mapping the way flame spreads through various materials, trying to find a predictable pattern before it turns chaotic. Think you’d like to see the latest data?

Here’s what the test shows: - 5‑inch plywood: 4.2 ft/min at 200 °C, 6.1 ft/min at 300 °C - 2‑inch pine: 3.8 ft/min at 200 °C, 5.7 ft/min at 300 °C - 10‑inch steel: 0.5 ft/min at 200 °C, 0.8 ft/min at 300 °C - 1‑inch gypsum board: 2.1 ft/min at 200 °C, 3.0 ft/min at 300 °C - 3‑inch concrete: 1.2 ft/min at 200 °C, 1.6 ft/min at 300 °C If you need the raw temperature logs or the regression equations, just let me know.

Here are a few sample log entries from the 5‑inch plywood test at 200 °C. Timestamp — Temp (°C) — Rate (ft/min) — Notes 00:00 — 200 — 0 — Ignition started 00:05 — 210 — 0.3 — Initial char formation 00:10 — 225 — 0.8 — Surface starts to peel 00:15 — 240 — 1.2 — First visible smoke plume 00:20 — 255 — 1.8 — Heat spike, flame front begins to move 00:25 — 270 — 2.5 — Rapid expansion, surface crack opens 00:30 — 285 — 3.4 — Maximum spread rate reached 00:35 — 295 — 3.9 — Sparks begin to arc across the surface 00:40 — 300 — 4.2 — Full‑thickness burn, flame front stabilizes The 300 °C log follows a similar pattern but with a steeper increase: 00:00 — 300 — 0 — Ignition 00:02 — 310 — 0.5 — Heat spike 00:05 — 330 — 1.5 — Rapid char 00:07 — 350 — 2.7 — Flame front accelerates 00:10 — 360 — 3.6 — Sparks erupt, surface cracks widen 00:12 — 370 — 4.2 — Peak spread rate Those snapshots should give you the rhythm you’re looking for. If you need the full log, let me know and I can compress it into a one‑line summary.