Walter HWK 109-500
| HWK 109-500 | |
|---|---|
| HWK 109-500 on display at the Royal Air Force Museum Cosford | |
| Type | Liquid-propellant rocket (assist unit) |
| Manufacturer | Hellmuth Walter Kommanditgesellschaft |
| Number built | 6,000 |
The Walter HWK 109-500 was a liquid-fuelled rocket engine developed by Walter in Germany during the Second World War.