Kjudoon, on 24 July 2014 - 12:59 PM, said:
BTW, except for Gauss ammo, never store it in the arm.
I'm going to call this not an advisable position to take, actually. Whether it's safe to store ammo in arms depends entirely on the 'mech. For an Orion ammo in the arms isn't bad, really. The ON1 rarely takes serious arm shots- most stuff hits the big shoulders and body. Mind, it's not super-advisable (enemies rarely try to leg an Orion, so in its case the legs are safer than the arms) but you're unlikely to see serious pain out of arm-stored ammunition.
Quillon-
SRM+ AMS: This looks pretty good. As long as you don't provoke ghost heat by rapid-firing all four SRM racks, this looks like a really strong ambush heavy- jump out at someone, unload a few spreads of missiles and laser fire, duck behind a building to cool off. Fast enough to pull that off too, and with a standard engine, it can afford to draw attention.
SRM+ Engine: Also a nice ambush option. Less capable at sinking its heat than the other, but faster, which means getting into SRM range more easily. I could see either of these first two working out quite nicely.
LRM-20: Nice! With the concentrated LRM-5 damage, you can strip the armor off a heavy/assault's center torso and then tear it up once it's in view via the ERLLs. I highly approve of this model.
LRM-40: An interesting alternative. Given the short-range firepower winds up being just a pair of medium lasers, you may want to consider either using an XL engine or a slower engine so you can fit a ballistic weapon of significance (AC/10 or 20, or an LB-X) or upgrade those medium lasers to standard larges- but not ER Larges because those LRM-15s generate enough heat at long range, thanks. A little less specialized of a long range bombardment, so don't get too enthused about LRMing lights, but I can see this working as well.
I like all of the builds you've put together here. These all look workable (although that LRM-40 one is likely to be really vulnerable at close ranges).
I hope you don't intend on using those exact armor values- your rear armor on the side torsos is really heavy, and were I you, I'd consider shunting 3-4 points of that armor forwards- Orions take a lot of face damage in combat, and with the high speeds you've got these things chugging along at, you can relatively easily keep your rear facing out of fire.