Where are battlesuits (power armor) described?
They are discussed in great detail in GURPS Mecha. Battlesuits and powered armor are also described in GURPS Vehicles, 2nd Edition (p. 80) and GURPS Robots(p. 52, with an example on p. 113). All three books are by David Pulver, and use compatible systems, although the focus is different in each of the three books. Note: The Battlesuit skill has changed. It is now a P/A Vehicle skill, just like Driving or Piloting, and covers only “driving” the suit. To operate the suit’s weapons and electronics, use the appropriate Beam Weapons, Electronics Operation, Guns and Gunner skills. Other Sources: Challenge Magazine #50 (published by GDW). There is an article entitled “Wearing the Steel: Powered Armor in GURPS,” by David Pulver, on p. 78. Everything is described in the standard GURPS format, and is consistent with other ultra-tech armor described in GURPS Ultra-Tech. Another description of power armor is given in GURPS Supers, 2nd Edition and the GURPS IST sourcebook. Supers, 2nd Edition has a
