RE: pattern ARF for .60-.90 2 stroke engine
I am partial to the Zen series if my wallet would cooperate I would have the 120 sized one. I currently have the Fascination but thats more of a 40 sized plane. Try the Zen 60 or GSP Swallow
you also might ask this same question in the Pattern forums, there are many knowledgable guys there who might have suggestions for you.
good luck
matt