— a? ee ee 
ANSWERS 537 
XVIIL pp. 309-312. 
1. (1) 7°07 ; (2) 8°20; (3) 9°74. 
@)e@| 134] .. | 162/184] .. | ... | 1°97 | 19°30 
| 
pineal 
v | 50 | 6-0 | 5-97 | 4°03| 6°55 | 5°49 7-24 | 2°76 7°28 4°93 
| 
4. 400; 641. 5. 104 and 42 feet per second. 
6. (1) 104; (2) 117; (3) 136. See Fig. 846. 
7. (1) 190; (2) 182; (3) 176. See Fig. 847. 8. 218°8. 
11. (1) 2°32; (2) 5°36; (3) 12. 
12. Piston, 1148; shaft, 759 ; cross-head pin, 126; crank pin, 989. 
Y= 45 
Yp=2 
Fig. 846. 
Fra. 848. Fig. 847. 
13. (1) 31°5; (2) 77°7; (3) 0. 14. Length of stroke, 16°16 inches. 
15. Radius of crank, 2°806 inches ; (a) 28°6 by construction ; (b) 36°1 by con- 
struction ; 1°17:1,; for curves, see Fig. 848! 
16, (a) 1°47; (b) 10°88; (c) 420. 17. 58 inches; 1°51:1. 
18. 1°38:1. 19. Velocities of sliding in feet per minute.—At C, 125; at E, 
109 or 275; time ratio of cutting and return strokes, 2°73. 
20. 132 feet per minute. 
