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Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

Forfatter: Guilford L. Molesworth

Sider: 744

UDK: 600 (093)

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502 MOLESWORTH’S POCKET-BOOK Number of Revolutions feb Mile with Driving Wheels of different Diameters. Diam. of wheel 2 ft. 24-ft. 3 ft. | 3i ft.! 4 ft. 4i ft. 5 ft. Revs, per mile 840 672 560 | 480 ' 420 373 336 Diam. of wheel 51 ft. 6 ft. et ft! 7 ft. | 8 ft. ! 9 ft. 10 ft. Revs, per mile 305f 280 258f 240 210 187 168 Speed of Pistons. 1) = Diameter of driving wheels in feet. S = Stroke of engine in feet. M — Miles per hour travelled by engine. P = Speed of piston in feet per minute. 56-0225 SM D ' An ordinary speed of piston is about 900 feet per minute. Diameter of Driving Wheels in ■ foet. Speed of Piston in Feet per Minute at 60 Miles per Hour. • Stroke in inches. 18 20 22 24 26 3 1681 1867 2054 2241 2427 3i • 1440 1600 1760 1921 20S1 4 1260 1400 15-10 1681 1821 41 1120 1245 1369 1494 1618 5 1008 1120 1232 1345 1457 6 840 933 1027 1120 1214 7 720 800 880 960 1040 8 630 700 110 840 910 10 504 560 616 672 728
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