# specific impulse

> how efficiently a reaction mass engine creates thrust, which is often proportional to effective exhaust gas velocity

**Wikidata**: [Q51504](https://www.wikidata.org/wiki/Q51504)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Specific_impulse)  
**Source**: https://4ort.xyz/entity/specific-impulse


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)