The millwright & engineer's pocket companion |
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Σελίδα xii
... motion ..... 137 --- the connecting rod 138 -the fly wheel 139 - the governor 141 142 Of high - pressure engines . To find an equivalent force of the steam when the engine is working expansively .. 143 A table of hyperbolic logarithms ...
... motion ..... 137 --- the connecting rod 138 -the fly wheel 139 - the governor 141 142 Of high - pressure engines . To find an equivalent force of the steam when the engine is working expansively .. 143 A table of hyperbolic logarithms ...
Σελίδα 97
... motion in one direction is equal to the effort of the other to produce it in an opposite direction ; or when the weight opposes that degree of resistance which is precisely required to destroy the action of the power . The momentum or ...
... motion in one direction is equal to the effort of the other to produce it in an opposite direction ; or when the weight opposes that degree of resistance which is precisely required to destroy the action of the power . The momentum or ...
Σελίδα 105
... motion from one part of a machine to another , their 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 ...
... motion from one part of a machine to another , their 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 ...
Σελίδα 106
... motion to a shaft at the rate of 77 revolutions in the same time ; required the diameter of a wheel suitable for that purpose . 64 × 42 77 = 34.9 inches nearly . EXAMPLE 3. - Required the number of revolutions per minute made by a wheel ...
... motion to a shaft at the rate of 77 revolutions in the same time ; required the diameter of a wheel suitable for that purpose . 64 × 42 77 = 34.9 inches nearly . EXAMPLE 3. - Required the number of revolutions per minute made by a wheel ...
Σελίδα 107
... motion to a piece of machinery at the rate of 81 revolutions in the same time ; the motion is to be communicated by means of two wheels and two pulleys with an intermediate shaft ; the driving wheel contains 54 teeth , and the driving ...
... motion to a piece of machinery at the rate of 81 revolutions in the same time ; the motion is to be communicated by means of two wheels and two pulleys with an intermediate shaft ; the driving wheel contains 54 teeth , and the driving ...
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.