I saw that data and tracked down where he got it. As I recall, the source said that it appled only to that particular case, and not to generalize it. TE shape, for example, can make a big difference in hinge moment. Wild Bill confidently generalized it.

For Tim’s purpose, he could use Igor’s* or Bill’s numbers and multiply by five or so.

*To use Igor’s, calculate flap hinge moment from his control geometry, then multiply by the square of the ratio of your airspeed to Igor’s, then by the flap area ratio, then by the flap chord ratio.