| Page 21-1
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| Page 21-2
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for Page 21-2 |
| The construction technique for the
ailerons is similar to that of the rudder and elevators. The
Ailerons uses ribs at the ends only while light angle
stiffeners support the rest of the skin. The aileron must be
kept flat while drilling and riveting. A cradle to hold the
aileron in a vertical position while riveting is required.
Since the aileron has a thinner cross section than the flap,
make the cradle using the FL-1004-L Flap Nose Rib as shown
on Page 22-2, Figure 1. The cradle need not be a perfect fit
for the aileron. It is int4ended mainly as a support for
holding the aileron in a position suitable for riveting. |
| |
| Step 1:
Identify the A-1004-L Nose Rib and A-1008 Doubler to the
A-1003-L Spar as shown in Figure 1.
Note: Here we did run into a problem. It seems we were
shipped two A-1003-R Spars. Called Van's and there had been
some problems with this part that were mislabeled. Our part
was marked L but was an R spar. They said they would ship
the correct part. They
shipped the part and I got them right away. |
| |
 Step 2: Cleco the
A-1004-L Nose Rib and A-1008 Doubler to the A-1003-L Spar as
shown in Figure 1.
Step 2A:
Cleco the A-1004-R Nose Rib and A-1014 Spacer to the spar.
Step 2B: Cleco the
A-1015-R Inboard Nose Rib and A-1008 Doubler to the spar.
Step 2C: Final-Drill
#30 nine holes (three holes per nose rib) through spar,
doubler or spacer, and nose rib as shown in Figure 1.
Step 2D: Final-Drill
#30 four holes through spar and doublers as shown in Figure
1. |
| |
 Step 3:
Cleco the A-1001A-L Nose Skin to the lower flange of the
A-1003-L Spar at every third hole. |
| |
Step 3A: Lay the
A-1009 Counterbalance into the nose skin so that it is flush
with the outboard edge of the nose skin. |
| |
Step 3B: Cleco the
nose skin to the A-1004-L and-R Nose Ribs and to the
A-1015-R Inboard Nose Rib as shown in Figure 1. Place the
assembly leading edge up onto a narrow table or blocks as
shown in Figure 2. Cleco the nose skin to the top flange of
the spar at every third hole applying downward pressure on
the nose skin if/as required to insert the clecos. |
| |
| |
 Step 4:
Match-Drill #40 into the A-1009 Counterbalance along its
length using the holes in the leading edge of the A-1001A-L
Nose Skin as drill guides. Start drilling at one end. Insert
a cleco after each hole is drilled to prevent the
counterbalance from being pushed away from the skin. |
| |
Step 4A: Go back through and
final-drill #30 these same holes |
| |
 Step 5: Remove the
bottom cleco from the A-1003-L Spar, A-1008 Doubler and
A-1004-L Nose Rib as shown in Figure 3. Match-Drill #30 the
lower A-1009 Counterbalance to nose rib attach hole using an
extended bit inserted through the aft side of the spar then
insert a cleco into this new hole. Replace the spar to
doubler to nose rib cleco.
Repeat the process
(except for cleco insertion) for the lower hole in the
A-1004-R Nose Rib.
Step 5A: Use an extended drill bit to mark the upper
counterbalance to nose rib attach hole at the outboard end
of the spar by leaning the drill in alongside the rib as
shown in Figure 3.
Remove the A-1001A-L Nose Skin and counterbalance.
Final-Drill the marked hole and the two #30 holes in the
counterbalance. Final-Drill #27 the three corresponding
holes in the A-1004-L and -R Nose Ribs.
Remove the nose ribs and A-1015-R Inboard Nose Rib
from the spar. |
|
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