Perhaps because 99% of the folks here can't read German? Perhaps because it's very common to have these already-translated scans saved to a hard-drive?
Perhaps it's just easier to use the translated version you have on-hand, than it is to go and scrounge up the original, and post 2 where 1 would suffice?
Nobody complains when people post japanese data in English. Nobody complains when people post Italian data in English. I'm just not sure why this is an issue here, now, all of a sudden.
He's quoted the source, even. It's not like he's being shady or shifty. I personally don't have access to check the original, but he's not trying to hide anything, and he *IS* the first person to come forward with a legit source on the ETC 501 weight.
P.S. Here *IS* an untranslated version [of a different chart with the same weight], super-imposed with english text.
http://www.vermin.net/fw190/translated-fwchart.jpgI included it in the first post on this thread.