Erwin building instruction November 2006
4. Settings for the first flight
Centre of gravity: 61-64mm
(measure from the leading edge of the wing to the back)
Ailerons and flaps (soft)
(measure between aileron and flap and on deepest point of the elevator)
Ailerons and flaps (strong / dual rate)
(measure between aileron and flap and on deepest point of the elevator)
Butterfly (landing position)
(measure between aileron and flap and on deepest point of the elevator)
Flaps positive
(measure between aileron and flap and on deepest point of the elevator)
(You can possibly trim the elevator during flight.)
Flaps negative
(measure between aileron and flap and on deepest point of the elevator)
(You can possibly trim the elevator during flight.)
If you use 50% Expo (switchable) you can fly in soft conditions („ailerons and flaps – soft“)
With 60% dual rate Erwin flies calm and elegant.
You should be able to switch the flaps to the ailerons: When thermaling you should use only ailerons,
when doing aerobatics Erwin flies best with flaps and ailerons together.
For nice rolls switch off differential (controls should make the same way in both directions, up and
down).
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