# Sikorsky X2

> experimental high-speed compound helicopter with coaxial rotors

**Wikidata**: [Q1809004](https://www.wikidata.org/wiki/Q1809004)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sikorsky_X2)  
**Source**: https://4ort.xyz/entity/sikorsky-x2


## References

1. Freebase Data Dumps. 2013
2. Quora