Cray
(General)
05/25/09 03:38 PM
97.97.245.130
Re: Am I the only one who likes LBX autocannon?

Quote:

2nd AC20 vs Med lasers. I am not citing a preference, but against a 75tonner a Ultra 20 (assuming a double hit) has a 10 in 36 chance of hitting the side torso and COMPLETELY destoying the location. Ending the fight in one shot. It also has a 6 in 36 chance of hitting the center torso and then its time to roll for crits. So basically a 16 in 36 chance of delivering a very crippling shot to the opposing 75 tonner. If you have some missles for secondarys then you have good chance of criting out the opposing mech. Of course with 10 mediums you have a pretty good chance of getting double 1's and the freebie critical.





Flameblade, note the UAC rules on page 133 of the BattleTech Master Rules, Revised, or pages 114-116 of Total Warfare. Basically, UACs require you to:

1) Roll to see if you hit with 1 or 2 shots using the "2" column on the cluster/missile hits table. That's a 58.33% chance of hitting with 1 shot.

2) Roll separately to see where each shot lands on the target. The chance of hitting a specific side torso (on the frontal arc) twice is thus 5/36 x 5/36 = 0.01929. Since you could hit either torso, I suppose you could double that to 0.03858, or 3.858%.

Combined, the chance of both UAC/20 shots hitting the same side torso of a 75-ton 'Mech is (Assuming you hit with the weapon at all): 0.4167 x 0.03858 = 0.016075. It's 1.6075%, not 10 in 36.

When you factor in the chance of hitting with a UAC/20 to begin with (relatively low, given its low range and thus high range to-hit modifiers against typical targets), it's a one-in-a-blue-moon incident that you'll smash the side torso a big 'Mech in one turn with a UAC/20.

Medium lasers, on the other hand, give more opportunities to hit and deliver SOME damage.



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