for giggles, I have 2 lrm 15's and 2 lrm 20's in my warhawk launched to tourmaline, dont walk, turn right, an atlas- you have the atlas's left torso/arm facing you, the range is the same, torso twist the same, heat the same, only one volley, return to mech lab, repeat. fresh target mech each time. tried to keep it as scientifically the same as possible, not "feels like this is that" lrm 20-98% lit up half the target with hits lrm 15-98.3% about same hits on target lrm 10- 99%, one or two less hits per volley. probably great on builds you want assists or slots, WHK is slot poor. A hair better, and I mean barely better results with the 20 vs. the 15 double up- fire TWO at the same time: 2x20 97% about the same hits as using single lrm 2x15, 97.25% same hits on target based on that...as has been suggested but had to see for myself, the extra weight, heat, ammo consumption doesn't really help buy using LRM20's (clan..maybe IS is different) now..this is where I find it very interesting. Introduce Artemis- visually, it really does LOOK like more missiles are hitting, the lrms went from chewing up dirt to all hitting.........except the damage was nearly the same. The paper dolled showed the same areas hit, the percentages were slightly better(firing x2), lrm20's and arte got 96.5%, lrm15's and arte got 97% If I sat there till an arm blew off or I killed the mech, I'm talking arte did the job in one salvo faster..MAYBE, a couple of tests it was so close as to be a judgement call, where arte just felt like it did a better job- cause all the missiles looked like they were hitting. I have arte on all I own..always have, cause, its better. and stuff..been told that forever. but...the extra weight, slot consumption..making me wonder..the penalty vs. the profit. anyone else do such moronic time suck of lrms and care to share? anyone find links supporting the validity for arte or not depending on tubes etc? p.s. I am NOT above exploiting mechanics of any game. Hence, the query.