# LR91-AJ-11 rocket engine - Thrust chamber

- By: J.smith
- Date: 2008-12-04
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:LR91-AJ-11_rocket_engine_-_Thrust_chamber.jpg)
- Rights: [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/5/5e/LR91-AJ-11_rocket_engine_-_Thrust_chamber.jpg/1920px-LR91-AJ-11_rocket_engine_-_Thrust_chamber.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

The LR91-AJ-11 engine powered the Titan IV second stage, providing 105,000 pounds-force of thrust. The engine weighed approximately 1,300 pounds.