Great Planes Spirit 100 Sailplane Kit - GPMA0550 - Manual (Page 24)

FOR LEFT WING PANEL ONLY - SKIP
TO STEP 21 WHEN CONSTRUCTING
THE RIGHT WING PANEL!
D D 20A From the remaining 1/16" x 3" x 30" Balsa
Wing Sheet (SPT1W20), cut a piece 1 " wide and 3" long
Align it and the wing panel with the plan and glue it to the sub
TE at the root of the panel
D D 20D Cm two pieces of 3/16" x 3/8" Basswood Servo
Rail (SPT1F14) to fit belween the two W1B ribs and glue them
in place on top of the 1/16" sheeting installed earlier One should
be against the spar and the other should be about 1/3 of the way
onto the rear piece of 1/16 sheeting Use a scrap piece of 1/16
balsa if needed, to keep the two pieces level with the bottom of the
ribs while installing them Add med or thick CA to each rail
where it connects to the ribs and spar
D D 20B Cut a strip of 1/16 sheeting 3/16" wide and 3" long
and glue it to the back of the spar directly in front of the piece you
just installed Test f i t the 1/16" Die-Cut Ply Flap Servo Hatch
(SPT1W11) between the two pieces of sheeting to make sure it
fits If not, cut the rear piece of sheet to allow a 1/32 gap between
the hatch and the sheet
D D 20E Cut two strips of 1/16" balsa to go along the bottom
of the W1B ribs One strip should be 1/8 wide and be glued to
the first rib and the other should be 1/4 wide and glued to match
up with the pieces of sheeting already applied
D D 20C Glue the first and third W1B ribs (SPT1W06) in
place Use the rib gauge to tilt the first (end) rib in (towards the
tip) at the top Do not install the middle W1B rib yet'
D D 20F Test f i t the 1/16 Die-Cut Ply Flap Servo Hatch in
place and sand it if necessary to obtain a 1/32 gap all the way
around it to allow for the covering material The slot in the hatch
goes towards the root of the wing Drill 1/16 holes in the four
comers where the punch marks are Remove the hatch and
enlarge the holes in the hatch only to 3/32" Attach the hatch with
four #2 x 3/8 sheet metal screws.
24