Looking into making some of my own personal RATs for AtB. Thinking of going off the MUL and adding a bit of variety. I want to start around 3039 or 3050. When a new mech, vehicle, etc. is introduced that year, I will add it to the A class unit's RAT with a small chance to roll it. Each year the chance of rolling that mech will go up on that RAT. After so many years, was thinking (3-4?), it gets added to B rated RATs. Doing this till after so many it ends up on the F rated RATs. Also after so many years and new designs come in I want to phase out older models.
I think on the RATs a number is that many more times likely to roll a unit. Correct me if I am wrong, but a 2 would be 2 times more likely to show up than a 1? Like in the following the Centurion would be rolled 2 times more often than the Hunchback Ex. Hunchback,1Centurion,2
A rated unit
Other Factions RAT,1
New model year,1
1 year old,2
2 years old,3
3 years old,4...
So anyway. How many years should I wait before moving it to a lower rated unit RAT? Should I limit the number of units on each RAT? How long before I start removing Intro designs from A,B,C? Going to leave a chance D & F to get Intro tech. Not too concerned for actual canon, it's more, "Get the toys out there and see them used either by me or against me". Bit of work. One RAT, per type, weight, faction, and year. So Major IS Powers for now.