Great Planes Spirit of St. Louis ARF - GPMA1152 - Manual (Page 6)

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1. Cut a slot in the stabilizer, using the molded indentation
as a guide.
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2. Cut a 1/4" [6mm] long slot in the rudder in the
location shown.
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3. Cut a 1/4" [6mm] long slot in the elevator in the
location shown.
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4. Glue a control horn into the slot you made in the fin
with a small amount of 6-minute epoxy. When viewed from
the rear, the rudder control horn should be on the left side
of the rudder.
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5. Glue a plastic control horn retainer onto the back
side of the control horn with 6-minute epoxy.
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6. Repeat this process with the elevator control horn.
When viewed from behind, the control horn should protrude
down from the left side of the elevator joiner.
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7. Use epoxy to glue the fin to the stab. Use a small
builder’s square to get the fin perpendicular to the stab, then
use tape or small T-pins to hold them together until the
epoxy hardens.
Assemble the Tail Surfaces
ASSEMBLY
6