Rear view of Bell X-1 Engines

View of Bell X-1's rocket engine

Because no jet engine at that time was powerful enough, the Bell X-1 used a four-chamber XLR-11 rocket engine than produced 26,500 newtons (6,000 lb) of static thrust.  

  • NASM USAF-32543AC

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  • Source: National Air and Space Museum, Smithsonian Institution
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