1) The things is that mixing armanent types generally makes your boat less effective at the task you want it to do. Also, rivers and canals tend to go through the lowest point in an area so there won’t be good line of sight for aiming mortars and firing arcs may well be impeded. Mortars on boats are just a bad idea.2) Jacketed rounds are a way off. They need to be able to demonstrate gradual imrpovements and it also makes sense to introduced advantages over the enemy one at a time.
1) The things is that mixing armanent types generally makes your boat less effective at the task you want it to do. Also, rivers and canals tend to go through the lowest point in an area so there won’t be good line of sight for aiming mortars and firing arcs may well be impeded. Mortars on boats are just a bad idea.2) Jacketed rounds are a way off. They need to be able to demonstrate gradual imrpovements and it also makes sense to introduced advantages over the enemy one at a time.