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Please read the readme.txt included in the ZIP
The Ninja was designed to be the ideal model for your first try at aerobatic slope soaring. It has the aerodynamic shape you need to penetrate the strong winds present on the slope. The Ninja wing uses the Eppler 374 airfoil because of its fast speed, gentle stall characteristics, and excellent aerobatic performance. Loops, rolls, spins, and inverted flight are routine and easy with the Ninja.
Some content in menu 2.
Wingspan: 58 (1473mm)
Wing Area: 500 sq in (32.3 dm²)
Wing Loading: 8.6 - 9.8 ozsq ft (26 - 30 g/dm²)
Length: 39 (991mm)
Flying Weight: 30 - 34oz (850 - 964g)
Airfoil: Eppler 374
Center of Gravity, CG: First Test Flight, 30 4 (102mm) from leading
edge of wing, Experienced Pilots, 35 4.5 (114mm) from leading
edge of wing
Control Throws: Low Rate High Rate
Elevator, updown: 38 12
Aileron, 12 up, 716 down 916 up, 12 down
12.5mm up, 9mm down 10mm up, 12.5mm down