Dynaflite DYFA3030 - Manual (Page 8)

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1. Place the fin and rudder plan on your work
surface and cover it with wax paper.
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2. From the 3/8"x 15/16"x 36" balsa stick cut,
fit and glue the fin TE and fin upper bottom piece
(shaded area on plan).
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3. From a 3/8"x 5/8"x 30" balsa stick cut, fit
and glue the fin lower bottom piece (shaded area
on plans).
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4. From a 3/8"x 5/8"x 30" balsa stick cut, fit
and glue the fin LE.
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5. From a 1/8" x 3/8" x 24" balsa stick cut, fit
and glue the fin ribs in place.
NOTE : It is important that the ribs fit the LE and TE
well. It is not important that each rib fit the exact
location shown on the plan.
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6. Use leftover 3/8" x 15/16" balsa to cut and
glue the gusset between the Fin LE and Fin Bottom.
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7. Sand both sides of the fin flat. Radius the LE as
shown on the plan.
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1. Laminate the two 1/8" die-cut rudder TE1
pieces together. Do the same for the TE2 pieces.
Glue the TE1 and TE2 pieces together over the plan.
After they are dry remove them from the plan.
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2. Laminate three 1/8" die-cut rudder base
pieces together.
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3. Pin three 1/16" balsa shims in place over
the plans.
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4. From a 3/8"x 5/8"x 30" balsa stick, cut and
pin the rudder leading edge in place. Glue the
rudder base to the LE.
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5. Making sure to keep the TE against the 1/16"
shims, glue it to the rudder base and the LE.
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6. From the remainder of the 1/8"x 3/8"x 24"
balsa stick, cut, fit and glue the rudder ribs in place.
NOTE : It is important that the ribs fit the LE and TE
well. It is not important that each rib fit the exact
location shown on the plan.
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7. From the 3/8"x 3/8"x 24" balsa stick, fit and
glue the three hinge blocks in place.
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8. Sand this assembly to the airfoil shown in the
cross section on the plan.
BUILD THE RUDDER
BUILD THE FIN
BUILD THE TAIL GROUP
8