These shields are all quite small with the biggest one being 24″, which is significantly smaller than even the average roundshield of Battle Brothers (which would probably be about 30″)…
Sorry, but that probably all evidences, that we have. But if you look on that table again, you can see that heaviest steel shileds is about 6kg. And that is mostly parade and ceremonial ones(that page have paragraph that explained why this is so), with all that unnecessary ornaments and other fancy things.
And if you are not satisfied with 22” shields, there is also average density of wooden shields(i dont think that wood changed his qualities since 13th century).
If you do the math for 30”(what is bigger than road velobike’s wheel) and 10mm thick(which is more than enough), you’ll get about 4kg, which is about 1kg more than 22”, and this is a maximum, i.e. worst case – for thick shield and dense wood.
PS Also, i think that you, guys, too fixated on numbers. Try think about, that medieval people were not mad or stupid, they dont carry into battle gear, that they could not effective handle for hours. And also, i’m pretty sure, they had some unpredictable things that could accounted(ones that may prolong the battle, for example).
PPS And, finally, there some points about shields form actual archeologist.
Sorry for language.
Also, please, give this forum option to preview you posts!