R.L.s Leviathan was intended as the original SW capital ship game. FASA threw scale completely out the window. 1 hex = 75km/45Mil, easily able to take even a SSD inside 1 hex (though the DS would take up more). The ships were set to different scales based on type. DDs & smaller (including groups of fighters) were 1 Hex, Frigates (larger than DDs) were 2 Hex, Cruisers were 3 Hex and Battleships were 4 Hex. There was no stacking limit. Weapon fire was measured from the ships nearest hex, unless the 2 ships overlap, then it's measured from the back hex.
A guy I use to game with screwed up bad with that once. We were playing the Kraken Adventure. He had the Kraken Squadron, I had the Renegades, I had decisive victories on the 1st 2 missions, leaving him in the lurch [fiddle] . When we played the 3rd mission, he had only the Kraken with no support ships. I had a super battleship (bigger than his) with cruiser escorts (the mission is that the Kraken gets ambushed). He only had to turn & leave the board but received points for staying and dealing damage. I received points for dealing damage to him. He got greedy & closed. He tried to pull a maneuver where he overlapped the Kraken across my Battleship & declared he was rolling ship to fire down, claiming I couldn't fire "up" at him. Should have read the rules ::) . I pointed out that fire is measured from the rear Hex, [legal] which means (as we were setting) bow to bow. As my Battleships bow fire, my Cruisers broadside & several hundred fighters at point blank range all combined into his bow armor, I damaged his aft armor :o !
Actually I blew off my own battleships bow half (& destroyed all my own fighters)...using his main reactor [face palm] .
Kraken destroyed, Admiral killed, campaign VERY over.