Aircraft Firefly. Drawing, description

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Aircraft Firefly. Tips for a modeler

Modeling

We bring to your attention the aircraft model "Firefly-1", which, I think, will be of interest to many novice modellers.

(click to enlarge)

"Firefly-1" is made of plywood 3-3,5 mm thick. Its mass with an engine of 1,5-2,5 cm3 is about 400 g. The details are cut with a jigsaw. The trailing edges of the wing consoles and the elevator are pointed, the front ones are rounded. After processing the parts with sandpaper, they are coated with liquid nitro glue.

Under-engine plates (6 pcs.) Are interconnected and attached to the wing with nitro-glue and screws.

The "boar" of the control is pressed with threads with glue to the elevator. To do this, a narrow cut 1 mm wide is made on it (for the passage of a needle and thread). Then the model is covered with smooth colored paper (for children's applications). The letters and numbers on the wing are also paper. They mean the initials of the student and the serial number of his model. Paper and letters are glued with liquid nitro glue.

After complete drying, a cord bracket is attached to the wing with threads and the elevator is tied. It is advisable to make holes in it in advance, before covering the model with paper.

The control rocker is fastened with a screw (Ø 3, length 15-20 mm) through the wing into the under-engine bar. Don't forget to glue the plywood shim to it.

The control rod is made of soft steel wire Ø 1,5-2 mm. Bends on it are performed with narrow pliers at an angle of 90 °. The fuel tank is soldered from tinplate. Tubes copper Ø 3 mm. One of them, which feeds the engine, is connected to it with a cambric with an internal hole of Ø 1,5 mm. The tank is fixed on the model with threads and four nails, obliquely driven into the sub-engine bars. The threads are impregnated with liquid nitro glue.

Before the first launches, it is recommended to limit the rotation of the control rocker so that the elevator from the middle position deviates only upwards. This eliminates the rough "pecking" of the model, which is typical for beginners.

Before flying with a 6-8 kg dynamometer, be sure to check the strength of the control system. Launch the model by hand on cords made of mackay linen thread, 8-12 m long. It is better to fly on a soft grassy area. This protects the model during landing.

Be sure to mark the outer contour and center of the site with bright flags.

Author: A.Marchenko

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