And it is only used for some experiments in Kerbal style: Old IR plugin, for comparison can hold 18X Orange tanks. Joints does not breaks, just separates a bit: Put some more weight and joints between fuselage and truss would break sooner than joint on IR parts. It streches maybe too much but does not break. With IR next, things are bit different. Almost like comparing aples to oranges. With default settings, extendratron can hold half of orange tanks without issues, but with