
Assembly Manual for Junkers Ju 88
Copyright 2007 Thomas A. Jacoby and WarbirdKits.com
3
thru W11) attached to the sheet for now. Also remove spars
W12 thru W14 from the sheets.
Trial-fit the wing ribs to the spars. Place the assembled
ribs and spars on the skin and align with the etched lines. Glue
the ribs to the bottom skin. Make sure that W1 fully engages
the notches in the spars so that the correct dihedral angle is
established. Then glue the three main spars to the skin and
ribs. Glue braces G1 and G2 in place where rib W7 meets the
leading edge.
Glue spar W15 in place. Now find the rear section of rib
W7 and glue it in place.
Find a scrap piece of 1/8” balsa sheet to use as a
spacer between W15 and W16. Carefully glue the aileron spar
W16 to the bottom skin, and remove the spacer.
Now glue the aileron ribs (from W7 thru W11) in place,
butting to the aileron spar.
Fit and glue leading edge brace W17 in place.
Glue the 1/16” plywood aileron hatch base in place.
Sand a taper into the trailing edge of the wing skin, so
that the skin is 1/32” thick at the trailing edge.
Repeat steps 3 thru 13 for the right wing.
NOTE: You may wish to apply the top skins to the wing before
joining the panels. If you do, remember to pull the motor and
servo wiring through!
Trial-fit the wing halves together. Pin down one side
and block up the other side so that there is 3-1/2” total dihedral
at the wingtip. Make sure that the two W1 ribs butt closely
together.
When satisfied with the fit, glue the wing halves
together with 15-minute epoxy between the W1 ribs. Let the
epoxy fully cure before moving the wing.
Install the servo leads and motor wiring in the two wing
halves.
Cut a hole in the top left wing skin for the motor wiring
to exit the wing. The hole should be about halfway between
ribs W1 and W2, ahead of the forward spar W13.
Cut a similar hole in the top right wing skin for the
aileron servo cables.
Содержание Junkers Ju 88
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