Something bothers me about Deathwatch's stats for the assault cannon. In the background, the assault cannon is described as having a huge rate of fire, chewing through ammunition and armour, and prone to overheating.
And I just don't see that in the stats. A twinlinked heavy bolter beats the assault cannon in RoF and the storm bolter, a *basic weapon* comes close.
So a proposal.
1. Add the "Storm" quality. Huge RoF, huge ammunition expenditure.
2. Add the "Overheats" quality. The weapons is less reliable. Master-crafted and Exceptional variants may simply eject overheating shells instead of jamming. To represent how ridiculous an "auto-miss" sounds when firing point-blank at a horde.
3. +1 Pen for every hit on the same target after the first, stacking for future hits. So +0 pen for the first, +1 pen for the second, +2 for the third, etc. Hits being counted before Storm doubles.
So any thoughts on those suggestions?