Hello Adi, yes, this new method Tony has made is way easier to build, in my opinion. You do not need to build the fuselage over plans. It is extremely precise, and the formers glue onto the "cross brace" upper and lower ply, extremely accurate. It seems to me, also that it may be even stronger (stiffer), but I do not know of a way to test it. There are many additional upgrades as well, for example, the stabs now have a larger diameter stab tube, and the stab phenolics also have a tip of the stab tube balsa support block, so that if you like to "snap", over time, you do not get play in the foam/stab construct. The wings also now have a deeper socket and a longer wing tube. Both the stab and wing tubes are carbon fiber. He also has a new landing gear, again carbon fiber.
With regards to weight, Tom Wheeler ,(he is also building this new Dalton [actually, 2 of them]), has made a comparison, of the two different materials, the foam sheeted belly pan, vs. the stringers construct, and the weight is very similar.
Seems to me, that this will overall end up being lighter, since we are not using the spruce cross braces. Nest time I go to the shop, I will make a measurement of the weight of the fuselage, once i Finish sheeting the bottom.
Best regards
Cam