I am trying to replicate the difference between the 10-lb and 3-in guns.
In the field, in perfect situations, they preformed almost identically. However, here are the differences.
The 3-in gun cost about twice as much as the 10-lb.
The 10-lb was a very unreliable gun in that it would occasionally explode (due to the cast iron being brittle). Even though it would have the same combat statistics as the 3-in, the 3-in ordnance was heavily desired by gunners and commanders over the 10-lb Parrott.
How can I create two weapons that have the same statistics, but one costs more? Is there a way to replicate the unreliability of the 10-lb guns compared to the reliability of the 3-in?
Possible changes between them:
Initiative (the 3-in was 100-lb lighter than the 10-lb)
Troop Quality (troops won't stand by this weapon, nor will the weapons be in good shape to stand by the troops)
Cohesion (the morale of the battery would be less using this gun than a 3-in)
Ability (make a special ability that replicates the unreliability of the 10-lb)
The 10-lb should be so cheap as to be a viable artillery piece, but the 3-in so problem free that one may want to devote the cash to it at the same time. When looking at rifled artillery inventories of both the North and South, 50% tended to be 10-lb Parrots, while the remaining 50% were 3-in ordnance Rifles.
Any other suggestions as to how to model these two important guns?