The advertisement here (
https://books.google.com/books?id=sE...page&q&f=false) shows the V-30 was a 150% scale V-20.
It also mentions Alim has contracted Glasspar to build the boats.
Here is a review of the V-18. Not sure if it is the same as the later Wellcraft 18 center console, but it looks close.
https://books.google.com/books?id=Tc...0boats&f=false
I attached a few Alim advertisements I found also.