# free-piston engine

> type of engine with no crank

**Wikidata**: [Q358600](https://www.wikidata.org/wiki/Q358600)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Free-piston_engine)  
**Source**: https://4ort.xyz/entity/free-piston-engine


## References

1. Freebase Data Dumps. 2013
2. KBpedia