Indeed..... poltorak and dwojniak are very sweet meads especially poltorak but trojniak and czworniak are not so sweet and I think You would like those. Sure that Polish meads had very high reputation and I'm sure still are but in my opinion becouse of many different yet still nice tastes. Meads...
You are right about poltorak - 2 units of honey and 1 unit of water but there is also a mead called trojniak here in Poland in which is 1 unit of honey and 2 units of water. But I prefer dwojniak and poltorak as an usual decendent on Polish Nobles. :) If You want I will try to translate some...
At first I want to welcome all of You that loves mead. I wonder if there is anoyone here in that forum that ever tried Polish mead? Especially those stronger ones called "półtorak" and "dwójniak"