I was playing my own server yesterday trying out different vehicle combinations. I decided to see how powerful the .50 cal and the depleted uranium 3-sloters were. It took ONE clip to take the enemy CV to blinking red. For the other vehicles, it only would take out their armor and do some damage to the hull if they had a devent armor, but the CV seems uncommonly vulnerable to it. it takes an inch of armor off every few shots and combined with the gl and troops that spawn from it, an APC could literally kill the CV before people really start to realize it's dying. Even the 2-slotted ones you can mount on heavy tanks will at least take out all of its armor, and take it to yellow if you hit all your shots. PS: What research makes the Depleted Uranium MG available? I just turned research multiplier and resource multiplier variables to 100 and researched everything instantly.
(Research: Physics > Projectile Physics > Heavy Caliber Machine Gun) its all in my customization guide http://empires.cw-hosting.net/showthread.php?t=671 with at the bottom some links to a few lists, one of them is the one for weapons, with research http://home.wanadoo.nl/~elli/empiresmod/weapons.htm
Some things have been moved around since the manual has made and as far as I know, the manual hasn't been updated since 1.0
not much has changed, turrets are no longer under tracking system and, ranged artillery cannon and Heacy caliber MG have been moved to physics > projectile physics the picture in the wiki is updated, dont know who the credit goes to, but whoever did it, thanks for updating you can find it here http://www.empiresmod.info/images/1/19/Tech_tree.jpg
Uranium MGs APCs are great support vehicles, they will get dominated by a single tank though. If the enemy tank is concentrating on another vehicle the APC can shred them. Plus, 50cal MG is very very good against infantry, especially good in larger games w/ lots of grenadiers.
Biology -> Reactive Armor Elect. Eng. -> Reactive Armor ??? Shouldn't one be Regenerative Armor? Dunno the Biology tree one, I'd guess... but I don't comm a lot... camelot? LOL