That Finnish prototype is detailed in Justo Miranda's book "Enemy at the Gate, panic fighters of World War 2."Came across this one today,
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Gregor was stubborn advocate of biplanes. Sure biplanes could still out-turn monoplanes and they could fly for short airstrips, but their slow speeds rendered them obsolete by 1939.It’s embarrassing how backwards-thinking our Canuck entry was on this list. Cool plane though and I’ve always thought it could have found its niche defending convoys.