363-413

CHAPTER    VII

Reason  for  Lubrication  of  Mechanism — Theory  of  Lubrication — Deriva-
tion of  Lubricants — Devices  for  Supplying  Oil — Gravity  Feed  Oil-
ers— Mechanical  Oiling  Methods — Oil  Supply  by  Constant  Level
Splash  System — Distributing  Lubricant  by  Pressure — Individual
Pump  System — Why  Cooling  Systems  are  Necessary — Cooling  Sys-
tems Generally  Applied — Cooling  by  Positive  Water  Circulation —
Forms  of  Water  Pumps — Water  Circulation  by  Natural  System —
Direct  Air-Cooling  Methods — Utility  of  Auxiliary  Exhaust  Valves
— Forma  of  Air  Fans— Two-Cycle  Air-Cooied  Engine— The  Frank-
lin Air-Cooling  System — The  Frayer-Miller  Blower  System  414-451

CHAPTER   VIII

Utility  of  Clutches  and  Gearsets  DeBned— Wliy  These  are  Needed  on  AU
Gasoline -Motor-Driven  Vehicles — Clutch  Forms  and  Their  Require-
ments— How    Friction   Clutches   Transmit   Power — Materials   Em-


Contents

ployed  to  Increftae  Frictional  AdheMon — FormB  of  Cone  Clutches
Outlined — Attaching  Leather  Facings  to  Cones— Securing  Gradual
Engagement — Three-  and  Five-Plate  Clutchea— Features  of  Multi-
ple-Disc Clutchea — Functions  of  Gearsets — Face-Frietion  Gearing —
Installing  Face-Friction  Gears — How  Planetary  Gearing  Operates —
Typical  Planetary  Gearaets — Form  Using  Internal  Gears — All  Spur
Epicyclic  Gearing — Individual  Clutch  Tranamission — Silent  Chain
Transmission — How  Sliding  Gearsets  Operate — Action  of  Progres-
sive System — Operation  of  Selective  Sliding  Gearset — Typical
Three-  and  Four-Speed  Sliding  Gearsets — Methods'  of  Installing
Change  Speed  Gearing  in  Chassis — Combination  with  Power  Plant
Unit — Rear  Axle  TransmlBsion  Gear  Combination — TranBrnission
Gear  for  Four-Wheel  Drive — Combination  Gasoline-Electric  Drive —
The  Couple-Gear  Four-Wheel  Drive  System 452-519


CHAPTER   IX

The  ChsBsis  and  Its  Components — Frame  Design  and  Construction — Ad-
vantages of  Low  Weight  Placing — Underslung  Frame  Type — Ma-
terials Employed  in  Frame  Construction — Suspension  of  Motor
Vehicles — Design  of  Leaf  Springs — Suspending  Front  Ends  of  Motor-
Car  Frames — Rear  End  Suspension — Unconventional  Spring  Forms
— How  Automobiles  are  Steered — Features  of  Pivoted  Axle — Rack
and  Pinion  Steering  Gear — Worm  Gear  Reduction  Steering  Device
— Thread  and  Nut  Steering  Arrangement — Spark  and  Throttle
Lever  Location^Front  Axle  Forms— I  Beam  Axle — Tubular  Axle
Construction— Steering  Knuckle  Deaign — Methods  of  Power  Trans-
mission—Straight Line  Shaft  Drive— Rear  Axle  Types — Live  and
Stationary  Axle  Combination — Purpose  of  Differential  Gear — Bevel
Gear  Drive  Assembly— Worm  Gear  Driving — Axles  Employing  Dou-
ble Reduction  Gearing — Chain  Driving  Method — Utility  of  Motor-
Car  Brakes — Forma  of  Brakea — Internal  and  External  Band  Brakes
— Multiple-Diac  Brake — Application  of  Front  Wheel  Brakes — Four-
Wheel  Drive  System — Skew  Bevel  Drive  Gearing— Two-Speed  Direct
Drive  Axle — DifTercntial  Locks— Practical  Worm  Gear  Drive  Sys-
tems— Single  Chain  Drive 520-587


CHAPTER    X

Wheels. 