It was me who suggested that there had been no testing of an F35B in SSL mode on an area equivalent to that of a QEC class carrier. A reverse Doolittle raid experiment in a way. SSL will be important for the UK, it would seem that there has been no actual testing of SSL concept for a QEC carrier by actual development or test aircraft.
I take thus that it is unclear as to if SSL is physically possible for the F35B to do, irrespective of bring back weight. There is also implicitly uncertainty as to how the software deals with SSL, no doubt it has been tried in a simulator however.
I am sure that people on this side of the pond would feel more comfortable with the project when the ability of the F35B to land at required weight on one of our aircraft carriers and of course take off with a decent load has been at least demonstrated in concept.