For these kind of details there is only ONE source you can trust; The Texelrating system webpage at
http://www.texelrating.knwv.nlM18 specs.
Length= 5,45 mtr = A-cat
Weight ex spi = 78 kilogram = NOT 70 kg's = heavier than A-cat
Mainsail area inc mast = 15,13 sq. mtr. = 1,5 sq. mtr. more than A-cat
Luff length = 8,93 mtr = comparable to marstom A-cat.
Width is not given but that is 2.5 mtr.
Wouter