Just a quick side tip. 100 tonners can only take 3 normal jump jets. However, you can do more with improved jump jets. I don't know the max amount though.
Just a quick side tip. Don't talk down to others like that unless you've memorized the entirety of the facts in question, and know exactly where to look it up in a book. Which it seems you have not done.
100-ton 'Mechs can take any number of Standard Jump Jets, as long as the number of Standard Jump Jets do not exceed their Walking MP, which is taken from their engine rating. Since they are 100-ton 'Mechs, that engine rating can be 100 (unlikely), 200, 300, 400, or 500 (REALLY unlikely). This translates into 1, 2, 3, 4, or 5 Walking MP. Oh, and by the way, Standard Jump Jets on 100-ton 'Mechs are 2 tons each, meaning 2, 4, 6, 8, or 10 tons for the entire JJ array.
Improved Jump Jets weigh twice as much and take up twice the number of critical spaces. The upside is that you can take as many as your 'Mech's Running MP, and they produce half as much heat in flight, to a minimum of 3.
Look up the
Xanthos 5O variant. It is an assault 'Mech lance's nightmare.
