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Founded in 1923 by four high school friends, the Weaver Aircraft Company went through many tough times. Early on the company was kept afloat by the Eskimo Pie and a candy recipe sold to the Russell Stover Company. Once they hit their stride, their best known model was the YMF sport plane. This plane had a reputation of being the best and most beautiful open cockpit biplane ever made, and I would have to agree. With the passing of the biplane era, WACO finally closed its door in 1948. Fortunately, in 1984 a group of investors started the WACO Classic Aircraft Corporation and started building the YMF design again in Battle Creek, MI.

Based on the design of our little 30" span Waco YMF-5, this larger version has great flight characteristics and easy setup. Our "big" Waco is a 1/8 scale electric powered version of the YMF-5. It features a scale structure with proper rib spacing and fuselage stringers. The power system is designed to slide out the nose for easy battery access. The traditional balsa and plywood construction features self jigging structures with the accuracy of laser cutting. The wing attachment uses a series of wire hooks and pockets in the wing ribs to make field setup up a snap.

You can download the photo-illustrated construction manual from our Downloads page.

The kit includes full-size plans plus laser-cut balsa and plywood parts.

  • Scale:1/8
  • Wing Span: 45"
  • Length: 33.5"
  • Wing Area: 553 sq in 
  • Weight: 50-55 oz 
  • Wing Loading: 13 oz/sq ft 
  • Recommended Motors: Scorpion 3020-16 
  • Recommended Battery: 3S 3300mAhr LiPo 
  • Balsa and plywood construction
Kit Contents
  • 10 Sheets of laser cut balsa and plywood parts
  • Full size plans
  • Photo illustrated construction manual (via download)

  • Model: 45"
  • Designer/Source: Jim Young - T&J Models

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