Ultimate Bi-Plane Fun Fly Model Airplane
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Ultimate Bi-Plane Fun Fly Model Airplane

The Sig Ultimate Bi-Plane Fun Fly was modeled after one of the most recognized airplanes on the air show circuit today - the Ultimate 10-300. This bi-plane has captured the imagination of many modelers with its simple, yet distinctive, looks and outstanding flight performance.

Ultimate Bi-Plane Fun Fly Model Airplane

Following in the footsteps of the popular SIG Fazer, the Ultimate Fun Fly is an easy to build all wood design with a profile fuselage and traditional build-up balsa wings.
The flight performance of the Ultimate Fun Fly is AWESOME! Super tight loops, lightningfast rolls, flat spins, knife edge flight, and hovering are just a few of the maneuvers, that this model can perform.
The CAD (Computer Aided Drafting) drawn plans, computer generated tooling, and laser cut parts ensures the modeler that all the parts will fit precisely the way they were intended. The laser cutter has allowed us to design the parts in this model to greatly simplify its construction. One other benefit of the laser cutter is that all the critical alignment holes in the cabane and interplane struts are pre-cut allowing the wings to be set at their proper incidences during assembly. Ultimate Bi-Plane Fun Fly Model Airplane

Wingspan 42 in 1067 mm
Wing Area 798 sq in 51.5 dmē
Length 43.5 in 1105 mm
Weight 4.5 lb 2041 g
Wing Loading 13 oz/sq ft 39.6 g/dmē
Radio Required
(not included)
4-Channel with 5 servos
(2 aileron, 1 elevator, 1 rudder, and 1 throttle)
Engine Required
(not included)
2-Stroke .32-.46 (5.2 - 7.5 cc)
4-Stroke .40-.50 (6.5 - 8.2 cc)

  • Laser Cut Balsa and Plywood
  • Router-Cut Balsa Profile Fuselage
  • Pre-Shaped Balsa Leading and Trailing Edges
  • Pre-Bent Aluminum Landing Gear
  • Molded Plastic Wheel Pants and Servo Covers
  • Large Decal Sheets
  • SIG Easy Hinges
  • Glass Filled Engine Mount
  • Complete Hardware Pack
  • Photo-Illustrated Assembly Manual
Ultimate Kit Instruction Manuals
Click each title to open in a new window.
Wing Construction
Fuselage Construction
Complete Pdf (3.7Mb) Download

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