Want to create a rocket family and need some standard masses as payloads?  Utility Weight is a part that allows to set mass, using 2 new "resources": kilograms and tons: switch to a number mode in the PAW using the # button and set any value below 500000t. Alternatively, you could use Variants for switching masses, Variants are limited to 1t, 2t, 5t, 10t, 20t, 50t, ..., 5000t,  but it is quicker as you don't have to switch to number mode and write digits.  For convenience, the