The SOMETHIN’ EXTRA® features a unique removable wing system, utilizing an ultra-light and ultra-strong tube design. This innovative feature ensures easy building, transport, and storage.

Flying Capabilities

• The model's thick airfoil section and light wing loading provide virtually unlimited flying capabilities.
• Everything needed to build the kit is included, from the great-looking landing gear to precision-molded wheel pants.

Specifications

• Wingspan: 51.5 in (1308 mm)
• Wing Area: 614 sq in (39.6 dm²)
• Length: 48.25 in (1225 mm)
• Flying Weight: 4.25 - 4.75 lbs (1928 - 2155 g)
• Wing Loading: 15.9 - 17.8 oz./sq ft (48.7 - 54.4 g/dm²)
• Radio Required: 4-Channel with 5 Servos (not included)
• Engine Required:
  • 2-Stroke .40 - .46 cu. in. (6.5 - 7.5 cc)
  • 4-Stroke .56 - .65 cu. in. (9.2 - 10.7 cc)
    (Engine not included)

Kit Features

• 100% Laser-Cut Parts for absolute accuracy and fast building.
• Famous Sig Quality balsa and ply materials.
• Complete Hardware Packages included.
• High-Quality Hardened Aluminum Landing Gear: Pre-formed and pre-drilled.
• Fantastic performance with .40 - .46 2-Stroke or .56 - .65 4-Stroke engines.
• Photo-Illustrated Assembly Manual for fast, easy assembly.
• Crystal Clear Canopy.
• Precision Molded Wheel Pants.
• Full-Size CAD-Generated Plans (rolled).
• Removable Wing Panels for easy storage and transport.
• The perfect club contest airplane.

Accessories

• Elevator:
  • Low Rate: 1 1/4 in (32 mm) up and down.
  • High Rate: 2 in (51 mm) up and down.
• Rudder:
  • Low Rate: 1 7/8 in (48 mm) right and left.
  • High Rate: 2 in (51 mm) right and left.
• Ailerons:
  • Low Rate: 1 in (25 mm) up and down.
  • High Rate: 2 1/4 in (57 mm) up and down.
• Center of Gravity: 3 1/2 in (89 mm) from leading edge at root.
• Dihedral: 0 degrees per panel.
• Incidence: +0 degree wing, 0 degree stabilizer.
• Engine Offset: 0 degree down, 0 degree right.

Additional Components Needed:

• Pilot: 2 in (51 mm), 1 required.
• Main Wheels: 2 3/4 in (70 mm), 2 required.
• Tail Wheels: 1 in (25 mm), 1 required.
• Fuel Tank: 8 oz (237 cc), 1 required.
• Spinner: 2.25 in (57 mm), 1 required.
• Covering: 3 rolls depending on trim scheme.

This kit combines precision engineering, high-quality materials, and exceptional performance to deliver an outstanding building and flying experience!