51
OF ENGINEERING FORMULÆ.
Weight of Copper Pipes
IN LBS. PEB FOOT LINEAL.
Weight of Lea» Pipes
IN LBS. PER FOOT LINEAL.
Bore. Inch. Thickness in parts of inch. Bore. Inch. Common. Middling. Strong.
Ä- I A i
lbs. 1-07 lbs.
i ■42 •94 1-60 2-27 4 lbs.
f •62 1'33 2-17 3 02 1-6 1-8 2
1 •79 1-69 2-66 3-77 1 2-0 2-6 2-8
U 1-15 2'44 3'85 5-30 H 3-0 3-7 4-4
2 1-55 3-21 5*00 6’80 li 4-0 4-7 5-6
2i 1'94 3-97 6-13 8*31 2 5-0 6-0 7-0
3 2-3 4'13 7’24 9-84 2i 7-0 8-6 10-0
Weight of Cast-ikon Balls and Solid Cilindkrs in lbs.
Diameter in > inches .. f Cast-iron balls Cast-iron cy-1 linder 1 ft. 1 long.. .. J 1 •136 2-4 2 1-10 9-9 3 3-70 21-9 4 8-7 39'0 5 17-1 61-0 6 29’5 89-0 1 41 120 8 10 156 9 100 198
Weight of Nets and Bolt-heads in lbs.
Diameter of bolt in inches .. i f i t 1
Weight of hexagon nut and ) head ; •017 •057 •135 •261 •45 •12
Weight of square nut and head •021 •069 •164 •33Ü ■57 •90
Diam. of bolt in inches .. 1 U li 14 2 2i 3
Weight of hexagon nut 1 and head .. .. J 1-07 2-Ü9 3-61 5-7 8-56 17 28-8
Weight of square nut / and head .. .. J 1-35 2-63 4-55 7-2 10-8 21 36-1
T) = diameter of bolt in inches.
W = weight of nut and head in lbs.
W — 1’07 I)3 for hexagon = 1'35 D3 for square.
E 2