1. 1 Beriev aircraft company Light multirole amphibian aircraft Be-103 Be-103 while running at full speed at taking-off water

2. 2 Fuel tanks allocation at Be-103 amphibian Beriev aircraft company

3. 3 Appearance

4. 4 Flight performance Beriev aircraft company

5. 5 Patent

6. 6 Sial (glare) Beriev aircraft company

7. 7 Comparative characteristics of Light-resistant Polymeric Materials Structure and Properties Beriev aircraft company CharacteristicsVersion 1Version 2Version 3Version 4 Aluminum Alloy 2024T3 Alloy Lithium Percentage1.51.72.0- Elastic tensile modulus, GPa77798171,5 Compression tensile, GPa79818373,5 Density (d, kg/m 3 )2600259025802780 Tensile ultimate strength, MPa 400440460440

8. 8 Comparative characteristics of Light-resistant Polymeric Materials Structure and Properties Beriev aircraft company CharacteristicsVersion 1Version 2Version 3Version 4 Glass-fiber Cloth Roving Base: Threads density (thread/cm) 302520 Glass fibers: diameter (mm)79818373,5 Ultimate strength MPa500470400470 Elastic tensile modulus, GPa 859010085,5 Density (d, kg/m 3 ) 2500255025802500 Weft: fusion temperature (ºC) 150140120- Threads density (thread/cm) 456- Bonding Material: Hardening Temperature (ºC)180150120

9. 9 Mechanical and physical properties of the new designed material Beriev aircraft company Characteristics Version 1Version 2Version 3Version 4 Tensile ultimate strength, MPa870875865850 Elastic tensile modulus, GPa70717366 Elastic pressure modulus, GPa727375,568 Density (d, kg/m 3 )2350238023402500 Fatigue crack extension rate (dI/dN, mcm/cycle at ΔK = 1 0,080,09 0,1

10. 10 ТАНТК им. Г.М. Бердиева Be-103 aircraft integral fuel tanks panels lightning resistance test results Panel Specimen (quantity) Metal thickness 1441 mm Impact results Layer 1 Layer 3 SIAL 2/1 – 2 th. (1441+KMKS 1.8T10) 0,80,5 Melting of external layer. Size of destroyed zone 8-13 mm. No specimens are deformed SIAL 2/1 – 2 th. (1441+KMKS 1.8T10) 0,5 Melting of external layer. Size of melted zone 12 mm. Specimen is deformed at discharge filament contact Shet 1441 – 2th.2,5 Cissing, paint charring on the reverse of the panel S=60mm² Shet ST-69N – 2th. 0,56 Through-thickness charring of sheet at discharge contact, sheet delaminating (1200 mm²)

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