We setup a new Kange Monocoupe - top hinged - long wing - short fuselage
excellent kit! and excellent instructions on setups .
their take was quite good on the differential-
lotsa up -little down.
On some Pattern designs - guys would go on and on and on about minute differential .
All crap-
typically - the flier was holding in elevator trim and the roll would barrel due to that - NOT the differential.