Ah...many good points Jess, many good points. And I'll try to answer/counter them all.
1) Yes, it would be stopped around -5 degrees if the 60mm cannons were facing either forwards or backwards. If the barrels were facing the sides however, they could probably hit an angle of at least -15 I would estimate. But let's put it this way, most tank platoons are escorted by other vehicles such as APCs and Recon Vehicles were more adept anti-infantry weaponry and even other infantry are used. Just a basic military fact I wanted to point out.
2) Now when we look at turret size, it may seem small. But we also have to remember that is only the top part of the turret structure since tank turrets normally extend into the chassis so that it can swivel as needed. And if I look at my DOGA representation and calculate out the space of the turret compartment using a scale of each square equaling 0.714 meters, then the dimensions of the turret compartment would have to be 5 meters in length x 4.2 meters in width x 2.14 meters in height. Now, you could say that is a bit small, but that is only if you believe the drums of the Gatling Gauss Cannons are placed inside the turret itself. Now, if you look at the style of turret used for said weaponry, you can see they are a bit bulbous. This was meant to show the ammunition is built into those smaller turrets rather than the main gun turret, thus making more room available for the individuals inside. The main gun is also a railgun, meaning the loading hatch and wiring to power the magnet inside the barrel only takes up maybe .5 meters of the front turret or so and leaves most of the space taken up by computers and interfaces. Thinking of it this way, there would be enough room for three individuals inside the turret compartment. Besides, the Klinge-Unterbrecher is actually larger than a M1 Abrams tank, which also has a crew of four.
3) I'd rather not put that much work into the images, since I resize all my images to begin with.
4) I have to correct that a bit. Abwehrans mostly use Chemical Lasers and yes...that would limit the ammunition. I'll change that bit as soon as possible.
5) That's a great idea...I'll change that last bit to fit your idea.
6) I'll work on the interior descriptions a bit more.
7) I was planning on making a separate page of Abwehran Ammunition (much like what the Lorath did) so I won't have to repeat said process over and over again.
8) I would have thought a cooling system was a common sense thing, but I should probably add it.
9) I'll decrease the maintenance to every year of constant use.
10) I'll mention more on the power systems.
11) It's using the old Tri-Armor System, which can be found as a link on the page. How much would you think it weighs using that? If so, I can always change it.