Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 351
team 380 ROGERS DRAWING AND DESIGN. ports depends upon the quantity of steam which isto be admitted through them, and upon the speedof the piston. It is a good practice to make thearea of the ports equal to yV of the piston area whenthe speed of the piston is about 600 feet per minute. riiickness… … When the speed of the piston is higher or lower,the size of the ports is increased or diminished pro-portionately. To find the speed of the piston,multiply the length of stroke by double the numberof revolutions of crank per minute. A practical formula for the thickness of the piston,shown in Fig.…
Mechanical drawing · Machine design
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