*Dislaimer this is just a guess from my first glance at the numbers. I will have to do (and will) better testing to confirm or deny*
My guess would be that the multiplication is being done in an odd place inside the formula that causes the consoles not to scale as strongly with weapon power. The standard assumption for the formula would be something like this
But in reality is is probably something really weird where the console bonus gets placed somewhere really odd. My curiosity is piqued.
Ok just came back from testing on tribble and granted I am using the tooltip values which may or may not be lying but I did not see anything that would explain your results.
Character with 0 skills that effect weapon damage. Using Mk 11 and an Mk 12 purple DHC and Mk 11 BA
@ 50 power level, numbers are in weapon order listed above
0 Console: 377.9 / 395.7 / 224.7
1 Console: 423.6 / 552.4 / 251
2 Console: 469.3 / 487.0 / 277.2
I also tested the skills to see if they scaled properly with weapons power and they do. Also tested a combination of skills and consoles and they both added and scaled properly. So one of two possibilities exist, either there is something else going on effecting your results or the tooltips lie. Can you post the full gear/skill set of the toons?