The Ultimatium

A scratch built biplane from customers sketches

Designed using ModelCad, this scratch built biplane was specifically designed to compete with the Goldberg Ultimate. Hence the name Ultimatium. I designed it to use 40-60 size engines, and mine has a OS Max 60 with a tuned pipe. Both wings are full flying, and it handles like a dream. Control surfaces were enlarged in the second version, just to give you that little extra...


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