SetEmptyMass(LMDesc_DRYMASS+ LMAsc_DRYMASS + LMAsc_FUELMASS + LMDesc_FUELMASS);
#define LMAsc_DRYMASS 10886.2 // kg 12 tons
#define LMAsc_FUELMASS 6350.29 // kg 7 tons
#define LMDesc_DRYMASS 23586.8 // kg 26 ton
#define LMDesc_FUELMASS 20865.2 // kg 23 ton
I get 90 tons