# R-975 Whirlwind

> R-9 piston aircraft engine, final nine cylinder series of the Whirlwind

**Wikidata**: [Q15921165](https://www.wikidata.org/wiki/Q15921165)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Wright_R-975_Whirlwind)  
**Source**: https://4ort.xyz/entity/r-975-whirlwind


## References

1. BabelNet