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# SpaceForest hits required burn time for Polish PERUN rocket engine
- URL: https://sovereigntymonitor.eu/news/2025-02-26-spaceforest-sf1000-hybrid-engine-test/
- Published: 2025-02-26T12:00:00.000Z
- Updated: 2026-10-25T05:02:09.000Z
- Description: Polish rocket builder SpaceForest test fired its SF-1000 hybrid engine for 39 seconds, matching the burn time its PERUN suborbital rocket needs to reach space, a milestone part funded by EUR 2.4 million from ESA's Boost! programme.
- Author: Reidar Balstad
- Tags: Defence and space, #news, #reported, #ai-drafted

Reported AI-drafted [European Spaceflight, 27 February 2025](https://europeanspaceflight.com/spaceforest-completes-full-duration-test-of-hybrid-rocket-engine/?ref=sovereigntymonitor.eu)

**What it does not test.** It does not establish that PERUN's next test flight, still a few months off, will succeed or reach its target altitude.

**How this item counts.** This item is dated before the index starts on 1 January 2026, so it does not count in the [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/).

**How this item was made.** Drafted by an AI system (Claude (Anthropic)) from the source cited above and published under the editor’s responsibility without a person reading it first. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)