Carbon Fiber Snaps Like a Gunshot - Zipline's Ultimate Stress Test
13 Jun 2025 · 1 min

0:45
In this excerpt from Ashlee Vance’s YouTube video, engineers conduct a high‑speed stress test on a carbon‑fiber component used by Zipline. They discuss the need to control ejection force and deceleration to avoid structural failure, begin applying a load, and monitor the test in real time. About ten seconds into the test they hear a crack as the load reaches roughly 1900 N, indicating imminent failure. The dialogue highlights safety concerns, the strength of the material, and the precise timing of the test.










