238
INDEX.
PAGE
Fire grating, supply of air and area of . 115
rule for . App. 210
engine . . .25
places . . .132
Watt’s . . . ibid
Roberton’s . .133
Brunton’s . .134
regulation of . . . 137
Fitzgerald, Keane . . .20
Float . . . .135
Flues .... 251
internal . . .125
Fluids .... 47, 109
resistance of . . 292—308
Flywheel . . 20, 163, 256
velocity of . .258
danger of . . ibid
rules for . .259
Formula for the heat of conversion into
steam . . .50
finding the volume steam will
occupy under any compressive force
not exceeding 60 atmospheres . 84
area of steam passages . 90
loss of velocity of steam from
bends or obstructions in the pipes . 91
loss of force of steam by cool
ing in passing through the steam pipe 92
loss hy cooling cylinder 99
area of chimneys 102, 103
fire surface . . 117
quantity of water for conden
sation . . . 147
power of the steam of a cubic
foot of water . . .155
power of steam of a cubic foot
of water when acting expansively . ibid
the greatest quantity of me
chanical power the steam of a cubic
foot of water will give when acting
expansively . . .156
proportion of length of cy
linder to diameter . .162
best velocity for the engine
to work with . . .164
capacity of air pump . 169
PAGE
Formula for power required to work air
pump . . .171
friction of pistons 221, 222
circular force of crank . 229
stress on the axis or shaft ibid
length of radius rods for pa
rallel motion . 231,233,234, 235
strength of rods subjected to
tensile strain . . , 240
piston rods . 241
cranks . . 243
— wheel arms . ibid
beams . . ibid
shafts . . 245
— beam gudgeons . ibid
—— pipes and cylinders 247
flat plates to bear the
pressure of steam . . 248
the greatest stress in lbs. on a
circular inch a plate will bear . 249
strength of boilers formed of
plates . . 251, 252
cast iron boilers . 253
fly wheels . .259
counter weights . 260
paddle wheels . 303, 304
the angle when the effective
resistance of the paddle is greatest App. 49
effective leverage of crank — 175
angular velocities of crank for
one engine . . — 177
deviation from mean value of
angular velocities . . ibid
angular velocities of a crank
for a pair of engines . — 180
the screw propeller applied to
steam vessels . — 231
Foot valve . . . 205
Friction of engines . . 40
of bodies . . . 215
of fluids . . 293,313
of pistons . . 221,222
of slides . . . 209
Fuel, effect of . . 22, 194, 195, 201
nature of . .105
measure of effect of . . 107