Because it's like a Jenner-F...but with fully articulating arms, and an additional 2 small pulses in the torso for quicker shots. Runs hot, but not TOO hot.
Rated this four stars because it's one SPulse away from my most effective FS9-K build (and most effective mech overall, with a decent amount of games played anyway). Here's my take. I like lots of JJ's for more thrust. Nothing irks me more than feeling sluggish when I hit jumpjets. Are 5 JJ's really needed? Nope. But they do give you a lot of "pop". Especially useful when jumping over enemy assaults hear: