ORIGINAL: Antmf_slith
Do I need a vast knowledge of militart equipment to enjoy the game,
If you have some basic idea about vehicles and weapons of cold war error, it would be more enjoyable. If you have no knowledge of vehicles on weapons, I think it would be still possible to enjoy. AB is more like 'tactical' game. Because of that, IMO important factor to enjoy such 'tactical' game is 'tactical sense' or 'tactical idea', rather than knowledge of equipment and weapons. For example, if you have any sense of how to use geometry (where to put tanks, and where to recon, where to hide ATGM teams and etc...), you will be able to play this game nicely even though you don't know about weapons and vehicles.
IMO AB requires more ability to analyze the geometry and map than other games, because you can play at any geometry you want from big regional map. Regional map is 64km x 64km size, and maximum playable map size is 16km x 16km. You can select any place you want, and in dynamic campaign, AI will decide the map. You need some ability to adjust your forces and tactical sense based on different terrain. (This is one of the reason why I wish the AB let players to see the map during unit purchase screen)
Other games use fixed map and use scripted AI (or dynamic AI). If you play the game repeatedly in the same place, you will get used to the map, and you will be able to attempt min/maxing. But in AB, map can be anywhere, so you need some flexibility to adjust your idea and plan.
Meanwhile, you can learn about cold war weapons and equipment during game or via reading...
If you played GT and played it nicely, I assume you would have enough tactical sense of playing tactical military games, so I think you should be fine.
and is there an in game database that shows what each weapon is capable of and which tank can go again which enemy etc?
AB does not provide unit encyclopedia system like GT do. Instead, AB provides unit information card for each unit. That information card introduces each unit's in-game ability, specs, offense and defense capability of units. To check the data, you need to click the unit and press enter.
Problem of AB's unit data card system is:
1) It cannot check the data of enemy unit. Only friendly is possible. I wish they change this.
2) This data card can be only checked during in-game. No additional options to check unit data in purchase screen or main menu screen. This is really inconvenient and needs to be fixed.
In the end, it would be great if AB provides and dedicated menu, to show all unit's data card, like GT's encyclopedia system does. CC and CM needs this feature too IMO.
And how realistic is this? Is it more a simulation or more gamey?
AB is more like simulation, sandbox simulation. AB tried to be realistic under given game engine, but not perfect, and level of abstraction is not small. Actually, IMO AB has long way to go, but has a huge potential. Given their team size and budget, I think they are doing fine, but AB needs a lot of things to be included and fixed to become good one.