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Seraphina Hotfire & Relight — October 4, 2026

Test Video

Pumpkin Frame Grabs

The carved pumpkin being blown apart beside the Seraphina engine
The pumpkin breaking apart.
Pumpkin fragments flying through the Seraphina engine exhaust
Fragments carried away by the exhaust.

Test Data

Download Test Data (.csv) Download Startup Log (.csv)

Propellant Loading

Fuel and oxidizer tank pressures with raw propellant-mass readings during loading on October 4, 2026

Double Hotfire Telemetry

Firing Peak thrust Peak chamber pressure
First 1,387.7 N 300.8 psi
Relight 1,058.8 N 227.3 psi
Pressure, thrust and propellant-mass telemetry for both Seraphina firings on October 4, 2026