Quote:
PPM = Procs Per Minute. So regardless if you use one 1-speed weapon (60 hits per minute), or a 2 handed with 3-speed (20 hits per minute), it will proc the same amount.
Since 10 procs per minute on average does not seem overly *oomph*-y, the following must be added: the mentioned PPM (i.e. 10 in this case) is the PPM on normal auto attacks. For each normal weapon speed (nonmodified by haste for example), the wow-system calculates a % to proc. For example: a 2.00 seconds weapon will have a % to proc of 2.00seconds/60seconds*10=33.33% per swing. A 1.00 seconds weapon will have a % to proc of 1.00/60*10=16.67%.
With normal swings this comes to an average proc amount of 10 per minute for both weapons. Now, when adding haste or "extra" attacks, the % to proc stays the same, but the average amount of actual procs per minute will increase! To show this, lets assume two cases:
1. You have a 2.00 seconds weapon, unhasted, no extra attacks. Average amount of actual procs per minute is 30(swings per minute)*33.33%(chance to proc per swing)=10.
2. You have a 2.00 seconds weapon, with 100% haste (yeah yeah, I know but it gives a good example). Your swingtime becomes 1.00 second. Average amount of actual procs per minute is 60(swings per minute)*33.33%(SAME chance to proc per swing)=20.
Thus, the (ACTUAL) 10 PPM grows with haste and/or extra swings.
Just to elaborate a bit.
Edited, Sep 10th 2009 4:32am by Immunios