GREAT PLANES BLT, Instruction Manual

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1. Cover the fin/rudder portion of the plan with wax paper
or Great Planes Plan Protector.
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2. From the 1/8” x 1/8” x 24” (3.2mm x 3.2mm x 609.6mm)
balsa sticks, cut and glue the fin frame , fin ribs and fin
gussets together over the plan.
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3. Remove the fin from your building board. Using a sanding
bar with 220-grit sandpaper, very lightly sand the fin all over.
Be sure to sand in the direction of the longest sticks.
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4. From the 1/8” x 1/8” x 24” (3.2mm x 3.2mm x 609.6mm)
balsa sticks, cut and glue together the rudder frame , ribs ,
control horn frame and corner gussets . Use a hobby knife
to cut the 1/16” (1.6mm) notch for the rudder control horn.
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5. Remove the rudder from your building board. Using a
sanding bar with 220-grit sandpaper, very lightly sand the fin
all over. Be sure to sand in the direction of the longest sticks.
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6. Tape the leading edge of the rudder to the trailing edge
of the fin so that the fin and rudder align at the top. Use a
sanding bar with 220-grit sandpaper to round the leading
edge of the fin, the top of the fin and rudder and the trailing
edge of the rudder.
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7. Remove the rudder from the fin and sand the LE of the
rudder at an angle as shown.
An easy method to hold the delicate tail pieces while
sanding the edges is to place the edge of the tail piece
over the end of your building table. Position a second
sanding bar on top of the tail piece, approximately 1"
(25.4mm) back from the edge. The tail piece can now be
held evenly and securely by applying slight pressure on
the sanding bar.
HOW TO HOLD DELICATE PIECES FOR SANDING
Build the Fin & Rudder
BUILD THE TAIL SURFACES
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