. Locomotive engineering : a practical journal of railway motive power and rolling stock . es apart. The next thing required isthe circumference, and before finding thatan explanation will be in order. Notice inPig- los the Unc of rivet holes are Af K L jV, and O A. This brings an or-dinary square or taper course to rivet on well understood fact that a straight line isthe shortest distance between two points. angles to the axis or center line the shorterwill be the curved line of rivet holes on theends of the course; consequently, if theline of rivet holes be placed upon the line/ /-. ins
. Locomotive engineering : a practical journal of railway motive power and rolling stock . es apart. The next thing required isthe circumference, and before finding thatan explanation will be in order. Notice inPig- los the Unc of rivet holes are Af K L jV, and O A. This brings an or-dinary square or taper course to rivet on well understood fact that a straight line isthe shortest distance between two points. angles to the axis or center line the shorterwill be the curved line of rivet holes on theends of the course; consequently, if theline of rivet holes be placed upon the line/ /-. instead of 6 A />, the end of the No. than the end cut off by the same line inthe No. 3 course: consequently the end ofNo. 3 will be small, and the end of No. 4will be large. As this is No. 16 iron, thepointy must be located ^ of an inch fromNo. 6. (The allowances for different thick-nesses of metal ore; for No. 16 iron, yinch; iron. 1 inch; for Xch. i>tiinches, and for fg inch, z inches.) Anddraw another line from the point A. ,Vinches from 6 lo L; the object of this latter. ving ordin: distance s the Si ; Pig. ] □ the of the No. the sheets. Draw two lines, A IS andC D. Fig. no, parallel and yj^ inchesapart; then E F. Fig, in, far enoughaway not to interfere with Fig. no. Layoff on the lines A B the circumference ofthe large end, 6&|( inches; space off thelincfor twenty-four holes, and draw lines fromall of these marks through Fig. ni, paral-lel and right angles lo A B, and numberthese lines as. shown, beginning with No,7 at the ends, and in order to have thestraight seams on opposite sides it will benecessarj to have the No. 1 line on theseventh line from the right end of , and the same distance from the left inFig.) ilraight seams through the marks for tinthen 12>4 inches from the lajholes at the large end draw Ihe line for th(nvet holes A R and space off this line foitwenty-four holes for the |space off the straight seams for four holes. No. 4, punch a
Size: 1446px × 1729px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookidlocomotiveen, bookyear1892
