The SC Rakshasa was a Shivan cruiser used during the Second Shivan Incursion. A Rakshasa had three anti-capital ship beam canons; however, it was not particularly effective against larger targets.
FS2 Demo Tech Room Description
The Rakshasa is one of the most deadliest crusiers in the Shivan fleet. The four "prongs" on its front hull comprise four laser beam weapons of devastating accuracy. The other parts of the ship are well defended with 10 other gun banks.
FS2 Tech Room Description
Though not as thickly armored as the Lilith class, the SC Rakshasa class of Shivan cruisers is far deadlier. With over a dozen turrets, the Rakshasa is the most heavily armed Shivan cruiser class. It was a Rakshasa cruiser that destroyed the GTC Vigilant at the Gamma Draconis node in the Capella system.
In Hindu and Buddhist tradition, a rakshasa (name in lower case, being a common name) is a men-eater demon of unrighteous spirit. Rakshasas are known of desecrating graves and harassing priests.
The Rakshasa, with its three forward-mounted SReds, packs a nasty punch that's difficult to knock out with primaries...but very vunerable to secondaries. The Rakshasa is powerful but fragile, and poorly defended against fightercraft attack, with only a single ventral AAA beam and no flak guns, like the other Shivan cruisers. A careful and determined heavy assault fighter can deal with it well, but give the Rakshasa no chances to shoot at friendly capital craft: one of these could probably kill a Hecate if it didn't engage head-on.
Despite its overwhelming frontal firepower courtesy of 3 SReds, the GTC Aeolus can cream the Rakshasa in a toe to toe fight with its Flak and AAA turrets, as well as its Terran Huge Turrets. The Rakshasa is designed to kill things right away, if they survive and get past its main beam turrets, the Rakshasa is toast.
The Rakshasa is not exactly fragile. With 40,000 hitpoints, it has a little over half the armor of the Lilith, but slightly more armor than either the Leviathan or Aeolus. Its SReds are superior to the Leviathan's TerSlash and the Aeolus' SGreen, plus the Rak has 3 of 'em vs. the Leviathian's 1 beam and 1 Fusion Mortar or the Aeolus' two SGreens. Think of it as a mini-Sathanas: awesome firepower, as long as the target stays in front and doesn't bomb the beams.
The AAA turret is very annoying, as it has a very good field of fire. Deal with it and the Rakhasa is done for.