r by the multiple pro- known law, the resistance offered by the air to such of 5.5 horse-power, while fourteen of the small pro- peller arrangement, the following concrete examples a surface increases as the square of the velocity. If pellers revolving at 20-mile speed will give the same may be… … worked on the pressure of the The framework of the car is 7 feet high and 5 feet square. It carries at its front end a The small propellers which tolleetively take the place of the single 9-foot large theory that better air against its large two-bladed propeller having an effective blade area of 2…
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