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HOME-MADE TOYS FOR GIRLS AND BOYS
It has been found that rubber motors can be wound much farther by lubricating them with glycerine. It is only necessary to put a few drops of the glycerine upon a clean cloth, and rub it over the outside strands; then wind
Fig. 45.—Home-made Motor Winder.
Fig. 46.—The Kind of Egg-Beater to Use.
Fig. 47.—How the Motors are Connected to Winder for Winding.
the motors, and it will work over the surface of the inner strands until all parts are covered.
Of course the rubber motors must be twisted an equal number of turns, in order to make the propellers work the same, and this is usually done with an ingenious winder made from an egg-beater, which winds both motors simultaneously.
