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- Rewiev:
Construction, however simple it may be, requires precision. You will need to have suitable tools and be sure to wear adequate protection when necessary. The same materials are found in various places of the structure, which rationalizes the construction and significantly reduces the price.
Spec: - Wingspan: 71 cm
- Length: 58 cm
- Weight: 290 g
- Surface: 12.3 dm²
- Wing load: 24 g / dm²
Materials: - 2 mm plywood — 3dm² (Couples)
- 2 balsa boards 1 mm (Formwork, ribs, fins)
- 1 balsa board 2 mm (Fins)
- 1 balsa board 3 mm (reinforcements)
- 5 wooden dowels diam. 3 mm
- 1 aluminum tube diam. 3 mm
- 1 piano wire 15/10 (pins, key of wings, trains)
- 1 piano wire 10/10 (hut, mast)
- 1 wooden stick 5x5 (fastening trains)
- 2 balsa sticks 3x3 (empennages)
- 1 balsa stick 4x4 (hut)
- 2 fine wheels diam. 65 to 70 cm
- Nylon fishing line resistance 3.5 Kg
- 8 paper clips
- 8 “staple N ° 2” swivels
- Interlining
The fuselage is therefore made up of three stringers in 3 mm diameter journals, just like the leading and trailing edges of the wing. Formwork, used sparingly, gives sufficient strength to the forward part of the fuselage and to the wing root.The functional stays, made of fishing line, are adjusted and blocked by pinching pieces of aluminum tubes. They are attached by swivels to allow the dismantling of the wing in «parasol», which rests on a cabin made of piano strings, via a central beam, for the attachment of the shrouds from a mast. The empennages are simply made of balsa balls and can also be disassembled for transport. 
The tools used are conventional, however specifying: a multigrip pliers for folding piano strings and for driving the pins obliquely into the work surface, in order to hold the structural elements above them without crossing them. Also plan a rat tail file 3 millimeters in diameter, essential. 
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