Norris's Hand-book for Locomotive Engineers and MachinistsH.C. Baird, 1852 - 302 σελίδες |
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Σελίδα 144
... stroke in feet , is the best velocity in feet per minute . In engines not working expansively , 103 times the square root of the length of the stroke in feet , is the best velocity in feet per minute . To find the quantity of Water ...
... stroke in feet , is the best velocity in feet per minute . In engines not working expansively , 103 times the square root of the length of the stroke in feet , is the best velocity in feet per minute . To find the quantity of Water ...
Σελίδα 145
... stroke in feet ; or 100 times , if the steam is worked expansively . The area of the cylinder should be , to the area of the steam - passages , as 4800 is to the velocity of the piston , found as above . Form and Direction of Steam ...
... stroke in feet ; or 100 times , if the steam is worked expansively . The area of the cylinder should be , to the area of the steam - passages , as 4800 is to the velocity of the piston , found as above . Form and Direction of Steam ...
Σελίδα 146
... stroke ........ 1.000 Amount of deductions 3.920 Effective pressure ...... 6.080 IN A CONDENSING ENGINE . Let the pressure on the boiler be .......... Force required to produce motion of the steam in the cylinder ...... Loss by cooling ...
... stroke ........ 1.000 Amount of deductions 3.920 Effective pressure ...... 6.080 IN A CONDENSING ENGINE . Let the pressure on the boiler be .......... Force required to produce motion of the steam in the cylinder ...... Loss by cooling ...
Σελίδα 147
... stroke ......... 1.000 Power required to work the air - pump ............ 0.500 Amount of deductions Effective pressure 3.680 6.320 Steam - power required to drive various kinds of Machinery . A series of experiments instituted by Mr ...
... stroke ......... 1.000 Power required to work the air - pump ............ 0.500 Amount of deductions Effective pressure 3.680 6.320 Steam - power required to drive various kinds of Machinery . A series of experiments instituted by Mr ...
Σελίδα 150
... Stroke . Horse Inches Power . Diameter . Stroke . 10 20 30 40 50 60 48 70 46 80 49 90 52 100 55 225 20 2 ft . 0 in . 125 59 6 ft . 0 in . 27 2 ft . 6 in . 150 62 6 ft . 3 in . 32 3 ft . 2 in . 175 66 6 ft . 6 in . 36 3 ft . 6 in . 200 ...
... Stroke . Horse Inches Power . Diameter . Stroke . 10 20 30 40 50 60 48 70 46 80 49 90 52 100 55 225 20 2 ft . 0 in . 125 59 6 ft . 0 in . 27 2 ft . 6 in . 150 62 6 ft . 3 in . 32 3 ft . 2 in . 175 66 6 ft . 6 in . 36 3 ft . 6 in . 200 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
66 white abscissa Atmospheric Railway axle blast-pipe boiler brass centre circle circular segments Circum circumference cloth coke conjugate connecting-rod copper crank Cube Root cubic feet cubic foot cubic inch curve cylinder in inches Dauphiny Decimal or Reciprocal diame distance driving wheels E. G. SQUIER eccentric-rod equal Example.-Required find the Area find the Solidity fire-box Fraction or Numb friction Frustum fulcrum fulcrum and valve Gallons gauge give the solidity half Height of Arc horses Hyperbola Illustrated iron Length of Arc leverage locomotive engine metallic mile morocco motion multiply the sum North Shields ordinate Ounces Parabola pipes piston piston-rod plates Pounds pressure quotient radius rails Railway resistance revolving axis RULE RULE.-Multiply screw segment shaft side spindle square inch square root steam steam dome stroke subtract thickness tion tons tubes valve velocity Volume whole weight yards Zone
Δημοφιλή αποσπάσματα
Σελίδα 5 - Companion : A Treatise in which the Practical Operations of the Trade are Systematically laid down : with Copious Directions Preparatory to Papering; Preventives against the Effect of Damp on Walls; the various Cements and Pastes Adapted to the Several Purposes of the Trade ; Observations and Directions for the Panelling and Ornamenting of Rooms, etc.
Σελίδα 16 - MEMOIRS OF THE GENERALS, COMMODORES, AND OTHER COMMANDERS, Who distinguished themselves in the American Army and Navy, during the War of the Revolution...
Σελίδα 16 - Visits to Remarkable Places : Old Halls, Battle-Fields, and Scenes illustrative of Striking Passages in English History and Poetry. By WILLIAM HOWITT. 2 vols. square crown 8vo. with Wood Engravings, 25s. The Rural Life of England.
Σελίδα 9 - MATHEMATICS FOR PRACTICAL MEN: Being a Common-Place Book of Principles, Theorems, Rules, and Tables, in various departments of Pure and Mixed Mathematics, with their Applications ; especially to the pursuits of Surveyors, Architects, Mechanics, and Civil Engineers, with numerous Engravings.
Σελίδα 5 - Lackering, Japanning, and Varnishing; to make French Polish ; to prepare the Best Glues, Cements, and Compositions, and a number of Receipts particularly useful for workmen generally. By J. STOKES. In one volume, 12mo.
Σελίδα 2 - The Manufacture of Iron in all its Various Branches : To which is added an Essay on the Manufacture of Steel, by FREDERICK OVERMAN, Mining Engineer, with one hundred and fifty Wood Engravings.
Σελίδα 5 - Comprising the Rudiments and Principles of Cabinet-making and Upholstery, with Familiar Instructions, Illustrated by Examples for attaining a Proficiency in the Art of Drawing, as applicable to Cabinet-work ; The Processes of Veneering, Inlaying, and Buhl-work ; the Art of Dyeing and Staining Wood, Bone, Tortoise Shell, etc. Directions for...
Σελίδα 9 - Productions of Pictures through the Agency of Light ; including Calotype, Chrysotype, Cyanotype, Chromatype, Energiatype, Anthotype, Amphitype, Daguerreotype, Thermography, Electrical and Galvanic Impressions. By GEORGE THOMAS FISHER, Jr., Assistant in the Laboratory of the London Institution.
Σελίδα 293 - If two lines be drawn through the centre of the circle, at right angles to each other, they will divide the circumference into four equal parts, of 90° each. Every right angle then, as...