The millwright & engineer's pocket companion |
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Σελίδα 100
... teeth , the wheel 120 , and the barrel is 9 inches diameter ; required the weight raised . 15 × 2 × 3.1416 94.248 circumference of the circle described by the winch , or handle . 120 ÷ 10 = 12 revolutions of the pinion for one of the ...
... teeth , the wheel 120 , and the barrel is 9 inches diameter ; required the weight raised . 15 × 2 × 3.1416 94.248 circumference of the circle described by the winch , or handle . 120 ÷ 10 = 12 revolutions of the pinion for one of the ...
Σελίδα 105
... teeth act alternately on each other , consequently , if one wheel contain 60 teeth , and another 20 , the one con- taining 20 teeth will make three revolutions while the other makes but one ; and if drums or pulleys are taken in place ...
... teeth act alternately on each other , consequently , if one wheel contain 60 teeth , and another 20 , the one con- taining 20 teeth will make three revolutions while the other makes but one ; and if drums or pulleys are taken in place ...
Σελίδα 106
... teeth makes 16 revolutions per minute , required the num- ber of teeth in another to work in it , and make 24 revolutions in the same time . 75 × 16 24 = 50 teeth . EXAMPLE 2. - A wheel 64 inches diameter , and making 42 revolutions per ...
... teeth makes 16 revolutions per minute , required the num- ber of teeth in another to work in it , and make 24 revolutions in the same time . 75 × 16 24 = 50 teeth . EXAMPLE 2. - A wheel 64 inches diameter , and making 42 revolutions per ...
Σελίδα 107
... teeth , and the driving pulley is 25 inches diameter ; required the number of teeth in the other wheel , and the diameter of the other pulley . √81 × 16 = 36 , the mean velocity between 16 and 16 x 54 36 × 25 81 ; -then 81 24 teeth ...
... teeth , and the driving pulley is 25 inches diameter ; required the number of teeth in the other wheel , and the diameter of the other pulley . √81 × 16 = 36 , the mean velocity between 16 and 16 x 54 36 × 25 81 ; -then 81 24 teeth ...
Σελίδα 108
... Teeth Num . Radius . of Radius . Teeth Num . Num . of Radius . Teeth of Radius . Teeth 10 1.618 46 7.327 81 12.895 116 18.464 11 1.774 47 $ 7.486 82 13.054 117 18.623 12 1.932 48 7.645 83 13.213 118 18.782 13 2.089 49 7.804 84 13.370 ...
... Teeth Num . Radius . of Radius . Teeth Num . Num . of Radius . Teeth of Radius . Teeth 10 1.618 46 7.327 81 12.895 116 18.464 11 1.774 47 $ 7.486 82 13.054 117 18.623 12 1.932 48 7.645 83 13.213 118 18.782 13 2.089 49 7.804 84 13.370 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
1.-Multiply 1.-Required 12 feet 12 inches 20 inches A B C D avoirdupois beam bodies boiler breadth cast iron centre chord Circum circumference cistern column contain cubic feet cubic inches cylinder decimal depth describe arcs cutting Diam diameter in inches distance divide the product engine equal EXAMPLE 2.-What EXAMPLE.-Required feet diameter feet long feet per minute feet per second find the Diameter foot frustum gallons nearly given circle imperial gallons inches area inches broad inches diameter nearly inches nearly latent heat length of stroke lever libs motion Numb number of horses number of Imperial perpendicular height piston pitch polygon pound pressure PROBLEM prop pulley pump's diameter quotient radius revolutions per minute right Line Roots Cube Roots RULE RULE.-Multiply shaft Slide Rule solid content square inch Square Roots Cube steam STRENGTH OF MATERIALS superficial teeth thickness tons valve velocity versed sine vulgar fraction water wheels weight wrought iron
Δημοφιλή αποσπάσματα
Σελίδα 58 - The areas of circles are to each other as the squares of their diameters.
Σελίδα 24 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Σελίδα 67 - To find the solidity of a spheroid. Rule. — Multiply the square of the revolving axis by the fixed axis: and the product, multiplied by .5236, will give the solidity.
Σελίδα 88 - These simple machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
Σελίδα 88 - ... that there may be a balance between the power and the weight, the intensity of the power must exceed the intensity of the weight just as much as the distance of the weight from the prop exceeds the distance of the power.
Σελίδα 133 - ... the quotient is the centrifugal force when the weight of the body is 1.
Σελίδα 24 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Σελίδα 68 - ... by •5236 ; then say, as the square of the fixed axis is to the square of the revolving axis, so is the former product to the solidity.
Σελίδα 43 - Rule, Multiply the difference between the root of the integer part of the given number, and the root of the next higher...
Σελίδα 91 - ... when the power acts parallel to the plane, the length of the plane is to the weight, as the height of the plane is to the power; for the greater the angle, the greater the height.