# How does fuel flow and altitude affect the compression ratio of jets?

Does the compression ratio of jet engines change with altitude and/or with the rate of fuel flow?

• Hi Aget, typically it's one question per post, so I removed the secondary one about the variable stators, but feel free to ask a new question about that. – ymb1 Oct 5 '18 at 1:48
• Sorry about that ymb1. Thanks for the info – Aget Aviano Oct 5 '18 at 7:20