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Vertical empennage : It consists in two main
parts, the vertical stabilizer and the rudder.
The vertical stabilizer is made of a spar, a leading edge, ribs
and a skin (plywood and fiber glass).
The spar is build with stringers (oregon pine) and a core made
of plywood.
The leading edge is shaped in a red cedar beam.
The ribs are done in 30mm insulation foam, some reinforced plywood.
| Parts making up the vertical stabilizer |
| Leading edge |
Spar and leading edge |
Ribs. |
Raw beam
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Completed
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Completed (Tip)
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At this point, the ribs are not shaped, they are rectangular
to simplify the bonding operation.
| Ribs and vertical stabilizer just glued |
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I used a home made sanding bloc to shape the ribs.
| Vertical Stabilizer with its ribs being shaped. |
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Rib #0 reinforcement
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Rib #6 reinforcement and spacer
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Rib #2 reinforcment
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| Vertical Stabilizer: Gluing the rigth hand side of the skin. |
It's falls now, a bit chilly.
Gluing under a tent.
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Gluing under a tent.
Welcome home!
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| Vertical Stabilizer glued. |
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| Yaw. |
Structure glued
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Lower Filler
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Gluing the Lower filler and stiffener
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Gluing the left skin
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With its left Skin
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Done, front view
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Lateral view
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Stabilator : It is
made of a spar, a leading edge, ribs and upper and lower surfaces
skins (plywood and fiberglass).
The spar is made with 2 main spruce caps glued between two plywood
shear webs.
The leading edge is made of red cedar.
The ribs are made from insulation foam (30 and 20mm) some being
reinforced using plywood.
| Stablilator. |
Its parts...
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1st gluing of the spar
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1st gluing done
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Spruce filler between the caps
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2nd gluing of the spar
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Spar Carbon gluing
(Applying Pressure with clamps)
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Carbon glued
(Bonding in stove 55°C)
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Spar done
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Structure being glued
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Gluing done
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Sanding done
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Leading edge
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Control Linkage Parts and Fittings:
Most part of the fittings and linkage parts are made of
aluminium aloy (2017A) and steel (25CD4S/25CrMo4).
Water quenching is required for 2017A parts or they crack when bending.
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