Lot's of questions:
Neither LM...Walter turboprop.
It looks like a Piper with a Beech wing?
No, the basic airframe is Beech, fuselage, wings and tail.
would wiki in the variant section make mention of this "radical" conversion?
Can't see that wiki mentions this at all, either under Beech, or the manufacturer that does the conversion.
Remember what I said about this being a more radical conversion.....