Dynaflite DYFA3901 - Manual (Page 10)

Q 18. Sand the top and bottom of the stabilizer
smooth. Sand a radius on the leading edge and tips
of the stabilizer and the tips of the elevator using the
stabilizer view as a guide.
1/2"
1"
1"
Q 4. Drill a 3/32" hole, 1/2" deep, in the center
of the hinge slot. Drilling the hole will twist some of
the wood fibers into the slot, making it difficult to
insert the hinge. Re-insert the knife blade into the
slot and work it back and forth a few times to clean
out the slot.
Q 5. Test fit the hinges into the slots and
temporarily attach the elevator to verify the fit and
operation. DO NOT glue the hinges at this time.
They will be glued in after the sailplane is covered.
DRILL A 3/32" HOLE
1/2" DEEP, IN CENTER
OF HINGE SLOT
l-l 1. Cut the 2" x 9" hinge strip into 6 individual
(1/2" x 1") hinges and bevel the corners as shown.
Q 2. Place the stabilizer and the elevator on the
plan and mark the location of the hinges. Also,
mark the centerline on the trailing edge of the
stabilizer.
CUT HINGE SLOT
WITH HOBBY KNIFE
AND #11 BLADE
RIGHT WRONG
Q 3. Cut the hinge slots using a #11 blade. Test fit
the hinges into the slots. If the hinges do not slide in
easily, work the knife blade back and forth in the
slots a few times to provide more clearance. Q 6. Place a nylon control horn on the bottom of
the left elevator as shown on the plan. With the four
clevis holes aligned with the hinge line, drill a
3/32" hole through both holes in the horn base.
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