# Shvetsov ASh-21

> R-7 piston aircraft engine

**Wikidata**: [Q542975](https://www.wikidata.org/wiki/Q542975)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Shvetsov_ASh-21)  
**Source**: https://4ort.xyz/entity/shvetsov-ash-21


## References

1. Freebase Data Dumps. 2013