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Section 4: Hinging and Sealing the Aileron Control Surfaces
Parts Needed
Wings with ailerons
Included in optional Hangar 9
Robart Super Hinge Points (24) (ROB309)
Not Included
Transparent Hangar 9
Properly hinging the control surfaces on giant scale models is
vitally important! Poorly installed hinges affect the model's
precision and control response and can also be dangerous. Each
and every hinge needs to be securely bonded in place in both the
flying surface and the control surface. The hinge pivot points
need to be exactly parallel to each other and precisely located on
the center of the hinge line. We regularly use Robart Super Hinge
Points in all giant scale aircraft. They are easy to install, very
strong, and offer smooth friction-free control. The Hangar 9
1/3 Scale CAP 232 control surfaces are predrilled to use
Robart's Super Hinge Points.
Step 1. Sand each end of the hinge point hinge using coarse
sandpaper. This will improve the bond of the epoxy to the hinge.
12
Hardware Package
™
™
UltraCote
(HANU887)
®
Tools and Adhesives Needed
Sealing iron
Hobby knife with #11 blade
Ruler: 36"
Glue Syringe (DLR910) (or toothpick)
Coarse sandpaper
Felt-tipped pen
30-minute epoxy
Rubbing alcohol
Paper towels
Step 2. Mix 1 ounce of 30-minute epoxy. Using a glue syringe
or toothpick, place a sufficient amount of 30-minute epoxy into
one of the hinge pockets on the wing's trailing edge. Install one
of the hinge points until the hinge point center is flush with the
trailing edge of the wing. Some epoxy should ooze out of the
pocket as the hinge is installed. If not, remove the hinge and
apply more epoxy. After gluing a few hinges, you'll get the hang
of just how much epoxy is needed. Wipe away any excess epoxy
with rubbing alcohol. Recheck that the center of the hinge point
is flush and parallel with the trailing edge. Continue installing
hinges in the trailing edge of the wings. The control surfaces
(ailerons) will be installed after the epoxy is fully cured.
Note: Be sure that the hinge pivot pins are parallel and
flush to the trailing edge. It's important to frequently mix a
fresh batch of 30-minute epoxy in order to achieve good
glue joint penetration. If you notice the epoxy becoming
thicker, mix a new batch.
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