# Walter HWK 109-507

> liquid-propellant rocket engine developed in Nazi Germany during World War II

**Wikidata**: [Q20825921](https://www.wikidata.org/wiki/Q20825921)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Walter_HWK_109-507)  
**Source**: https://4ort.xyz/entity/walter-hwk-109-507