How to Make a Paper Balloon – Easy Science Projects

Balloons made spherical, or designed after the regular aeronaut’s hot-air balloon, are the best kind to make. Those having an odd or unusual shape will not make good ascensions, and in most cases the paper will catch fire from the torch and burn before they have flown very far. The following description is for making a tissue-paper balloon about 6 ft. high.
How to Make a Paper Balloon
Paper Balloon; Pattern and Parts to Make Balloon

The paper may be selected in several colors, and the gores cut from these, pasted “in alternately, will produce a pretty array of colors when the balloon is in flight.

The shape of a good balloon is shown in Fig. 1.

The gores for a 6-ft. balloon should be about 8 ft. long or about one-third longer than the height of the balloon.

The widest part of each gore is 16 in.

The widest place should be 53-1/2 in. from the bottom end, or a little over half way from the bottom to the top.

The bottom of the gore is one-third the width of the widest point.

The dimensions and shape of each gore are shown in Fig. 2.

The balloon is made up of 13 gores pasted together, using about 1/2-in. lap on the edges.

Any good paste will do—one that is made up of flour and water well cooked will serve the purpose.

If the gores have been put together right, the pointed ends will close up the top entirely and the wider bottom ends will leave an opening about 20 in. in diameter.

A light wood hoop having the same diameter as the opening is pasted to the bottom end of the gores.

Two cross wires are fastened to the hoop, as shown in Fig. 3. These are to hold the wick ball, Fig. 4, so it will hang as shown in Fig. 5.

The wick ball is made by winding wicking around a wire, having the ends bent into hooks as shown.

The balloon is filled with hot air in a manner similar to that used with the ordinary cloth balloon.

A small trench or fireplace is made of brick having a chimney over which the mouth of the paper balloon is placed.

Use fuel that will make heat with very little smoke. Hold the balloon so it will not catch fire from the flames coming out of the chimney. Have some alcohol ready to pour on the wick ball, saturating it thoroughly. When the balloon is well filled carry it away from the fireplace, attach the wick ball to the cross wires and light it.

In starting the balloon on its flight, take care that it leaves the ground as nearly upright as possible. —Contributed by R. E. Staunton.

Excerpt from the book: THE BOY MECHANIC VOLUME I 700 THINGS FOR BOYS TO DO WITH 800 ILLUSTRATIONS 1913, BY H. H. WINDSOR CHICAGO POPULAR MECHANICS CO. PUBLISHERS

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