+PART[SSME]
{
   @name = SSMEvac
   @rescaleFactor = 1.75
   @mass = 6.0
   @cost = 22000
   @title = S3 KS-25V "Vector Vac" Liquid Fuel Engine
   @description = The KS-25 "Vector" proved to be such a good engine that Kerbodyne quickly adapted it for vacuum use. Larger and heavier than a standard Vector, and unsuitable for boosters, the engine still uses the Vector's staged combustion cycle along with Kerbodyne's patented superalloys. The Vector Vac also preserves the Vector's trademark gimbal range while the high chamber pressure and extended nozzle gives an outstanding vacuum Isp of 400 seconds - the highest Kerbodyne has managed to achieve.
   @MODULE[ModuleEnginesFX]
   {
       @atmosphereCurve
       {
   @key,0 = 0 400
   @key,1 = 1 200
   @key,2 = 12 0.001
       }
   }
}