Hangar 9 P-47D Thunderbolt 20cc Bedienungsanleitung Seite 11

FLAP INSTALLATION
1. Use a piece of low-tack tape to hold the aileron in
position. This will keep the aileron in position while
aligning the fl ap.
2. Locate the two fl ap control horns. When installed,
the concaved portion of the horn (as indicated in the
drawing) will face toward the top of the fl aps.
3. Use a pin vise and 1/16-inch (1.5mm) drill bit to remove
the paint from the hole in the fl ap control horn for the
clevis. Prepare all the control horns at this time.
4. Use medium-grit sandpaper to remove the paint from
the fl ap control horn where it fi ts into the fl ap. Clean the
sanded area using a paper towel and isopropyl alcohol to
remove any debris or oils. Removing the paint provides
the surface texture necessary for the epoxy to bond to.
5. Remove the fl ap from the wing. Run your fi nger down
the leading edge of the fl ap to locate the area for the fl ap
control horn. Use a hobby knife and #11 blade to remove
the covering, exposing the slot for the control horn. Use
15-minute epoxy to glue the fl ap control horn in position.
Remove any excess epoxy using a paper towel and
isopropyl alcohol.
P-47D Thunderbolt 20cc
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6. Run your fi nger down the lower surface leading edge
of the fl ap to locate the areas for the fl ap hinges. Use
a hobby knife and #11 blade to remove the covering,
exposing the holes for the fl ap hinges. Test fi t the hinges
to the fl ap. Do not use any adhesives now. Slide the
hinge into position. Position as shown, checking to make
sure it can move freely.
7. Run your fi nger down the lower surface trailing edge
of the wing to locate the areas for the fl ap hinges. Use
a hobby knife and #11 blade to remove the covering,
exposing the holes for the fl ap hinges. Check the fi t of
the fl ap to the wing. The top of the fl ap will align to the
top of the wing. It will also line up with the aileron. The
fl ex point of the hinges will align with the hinge line of
the fl aps when installed properly. Test the operation of
the fl ap to make sure the hinges are properly aligned and
the fl ap movies freely.
8. Apply a small amount of petroleum jelly to the fl ex point
of the hinge to prevent epoxy from entering the hinge.
Use care to only apply the petroleum jelly to the flex
point. If applied to the hinge portion, it could cause the epoxy
not to adhere to the hinge, resulting in a poor glue joint.
The flaps must be positioned to the wing before the
epoxy begins to cure. Make sure to read through all the
steps before mixing any epoxy. Glue only one flap at a time
to allow enough working time to properly install the hinges.
Use 15-minute or 30-minute epoxy to allow
enough working time during the hinge installation.
9. Remove the fl ap from the wing and remove the hinges.
Apply epoxy into each of the holes in the fl ap.
Do not use an excessive amount of epoxy
when gluing the hinges so that it expels from the
hinge. Also make sure to use enough epoxy so it
securely adheres the hinge to the surfaces.
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