Jet engines seem to perform far worse than the peformance analyser suggests, in my testing, they produced 20% as much thrust as the performance analyser suggested
(I do not like how this website is designed, how the hell do I upload additional images)
If the image URL has something in italics, add underscores around that word.
I've fixed your text formatting so the images would show up here. To see how things are formatted check this forum post, it's pinned at the top of the forums section in case you want to revisit it in the future.