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PLATES.

Plate I. General Profile.
Plate II. Exercise-Head and Air-Flask.
Plate III. Immersion-Chamber, After-Body and Tail.
Plate IV. War-Nose.
Plate V. Fig. 1. Charging-Pipe.
Fig. 2. Charging and Stop-Valves.
Plate VI. Immersion-Chamber and Immersion-Mechanism.
Plate VII. Details Of Immersion-Mechanism.
Plate VII A. Hydrostatic Piston-Testing Attachment.
Plate VII B. Depth-Index.
Plate VIII. Engine.
Fig. 1. Transverse Section Through Cylinders and Crank-Case.
Fig. 2. Longitudinal Section Through Crank-Case, Cylinder and Valve-Chest.
Plate IX. Engine.
Fig. 1. Transverse Section Through Valve-Chests and Crank-Case.
Fig. 2. Section Through xy.
Plate X. Valve-Group.
Plate X A. Locking-Group.
Plate XI. Details Of Valve-Group.
Fig. 1. Section Through Reducing-Valve and Regulator.
Fig. 2. Section Through Reducing-Valve and Oil-Cup.
Plate XII. Fig. 1. Retarding-Gear.
Fig. 2. Retarding-Gear and Sinking-Gear.
Plate XIII. Steering-Engine.
Plate XIII A. Modified Steering-Engine.
Plate XIV. Locking-Gear.
Plate XV. Tail.
Fig. 1. Vertical Section.
Fig. 2. Horizontal Section.
Plate XV A. New Tail Joint.
Plate XVI. Depth and Rolling-Registers.
Fig. 1. Depth-Register.
Fig. 2. Rolling-Register.
Plate XVII. Depth-Curves.
Plate XVIII. Details Of Obry Gear.
Plate XIX. Details Of Obry Gear.
Plate XX Details Of Obry Gear.
Plate XXI. Details Of Obry Gear.
Plate XXII. Details Of Obry Gear.
Plate XXIII. Details Of Obry Gear.
Plate XXIV. Reducing-Valve For Obry Gear.
Plate XXV. Details Of Obry Gear.
Plate XXVI. Details Of Obry Gear.
Plate XXVII. Details Of Obry Gear.
 

PLATE I.
GENERAL PROFILE.

A war-head.
B air-flask.
B' immersion-chamber.
CC' after-body.
C engine-room.
DDDD drain-holes.
E shaft-tube.
F steering-engine.
G bevel-gear box.
H depth-index.
I tail.
K charging and stop-valves.
L. locking-gear.
M engine bed-plate.
P primer-case.
R rudder.
S steering-rod tube.
T guide-stud.
UU propellers.
V valve-group.
W war-nose.
Z strengthening-band.
plate01
 

PLATE II.
EXERCISE-HEAD AND AIR-FLASK.

A. exercise-head.
B air-flask.
P primer-case.
T guide-stud.
X exercise-nose.
Z strengthening-band.
plate02
 

PLATE III.
IMMERSION-CHAMBER, AFTER-BODY AND TAIL.

B air-flask.
B' immersion-chamber.
CC' after-body.
C engine-room.
DDDD drain-holes.
E shaft-tube.
F steering-engine.
G bevel-gear box.
H depth-index.
I tail.
K charging and stop-valves.
L locking gear.
M engine bed-plate.
R rudder.
S steering-rod tube.
UU propellers.
V valve-group.
plate03
 

PLATE IV.
WAR-NOSE.

a exploder.
b holder for exploder.
c firing-pin.
d shearing-pin
e traveling-sleeve.
f limiting-screw for e.
g limiting-slot.
h traveling-nut.
i screw-fan.
k retaining-screw for i.
ll holes in body of war-nose.
m porpoise-hide washer.
n copper disc.
p recess for head of exploder.
plate04
 

PLATE V.

FIG. 1. CHARGING-PIPE.

a valve-end of charging-pipe.
b charging-pipe.
c wing-nut.
e rib on valve-end of charging-pipe.

FIG. 2. CHARGING AND STOP-VALVES.

f charging-valve plug.
g charging-valve.
I charging-valve seat.
i check-valve.
k check-valve spring.
l stop-valve carrier.
m stop-valve;
n stop-valve plug.
p operating spindle.
plate05
 

PLATE VI.
IMMERSION-CHAMBER AND IMMERSION-MECHANISM.

B' immersion-chamber.
C engine-room.
D drain-hole.
F steering-engine.
K charging and stop-valves.
a bulkhead of immersion-chamber.
b rubber diaphragm of hydrostatic piston.
c hydrostatic piston spring.
d tube for c.
e forked bell-crank.
f steering-engine valve-rod.
g. hydrostatic piston lever.
h upper connecting-rod and sleeve.
i cross-lever.
k pivot for i.
l lower connecting-rod and sleeve.
m rock-shaft.
m' locking-jaws.
n stuffing-box for rock-shaft.
o spindle of depth-index.
p adjusting-screw.
q socket-post.
r adjusting-nut.
s index-sleeve.
t clamp-nut.
uu pendulum-supports.
v pendulum-bob.
v' pendulum-rods.
w pendulum-guide.
w'w' pendulum-buffers.
x pendulum-brace.
y checking-spring rod.
y'y' checking-springs.
zz checking-spring nuts.
z' buffer bracket.
plate06
 

PLATE VII.
DETAILS OF IMMERSION-MECHANISM.

FIG. 1. hydrostatic piston and pendulum.
FIG. 2. Depth-index.
FIG. 3. Stuffing-box.

a bulkhead of immersion-chamber.
b rubber diaphragm of hydrostatic piston.
c hydrostatic piston spring.
d tube for c.
e forked bell-crank.
g hydrostatic piston lever.
h upper connecting-rod and sleeve.
i cross-lever.
l lower connecting-rod and sleeve.
m rock-shaft.
m' locking-jaws.
n stuffing-box for rock-shaft.
o spindle of depth-index.
p adjusting-screw.
q socket-post.
r adjusting-nut.
s index-sleeve.
t clamping-nut.
v pendulum-bob.
v'v' pendulum-rods.
w' pendulum-buffer.
plate07
 

PLATE VII A.
HYDROSTATIC PISTON-TESTING ATTACHMENT.

r adjusting nut.
y yoke.
y' yoke bell-crank.
y" yoke bell-crank pivot.
plate07a
 

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