Evening star. [volume] (Washington, D.C.) 1854-1972, 1922-05-14
QUESTIONS AND ANSWERS
FOR THE AUTOMOBILES

carburetur and cylinders. After be-
ing in operation for short time IT
regular running disappears. Heat -
necessary TO- properly yaportiss ne c sIe
inders and especially 10 1t necessary
when low gravity fuel 10 used. There
fore, az an aid to rapid yaporiSlng
some means OF choking on the alr
supply to the carburetor is necessary;
also q good spark and quick metnoo
Of heating the inlet pipe.
6. There are two kinds OF cord tires
in general manufacture, the caple
cord and the multiple cord tires. CO
BILE cords are made of heavy coros
and are about four plies in thickness.
Multiple cords are Of lighter cords
eight.
/ I. The compromising gear Is the
dinerential. located at the rear axle.
1t Is necessary in driving a car 70
make possible the different speeds OF
the rear wheels must take when the
the differential the inside wheel
would spin when the car was turned.
as that wheel has smaller distance
8. Meshing marks on timing gears
Of an engine are not necessary II
valve timing Is understood. Marks
on the fiywheel are all that IL neces-
sary.
.. Gasoline is fed from tank to
carburetor either by gravity. pressure.
combination 81 the 20 two We x OF ~
only, the gasoline passes through q
| line to the carburetor from a single
tank, which Is placed At a higher
level When pressure Is used the tank
is air tight. A hand pump creates
haust gases passing to the tank
| through a check valve. thus forcing
the fuel to the carburetor. Com
bined gravity and pressure systems
operate by pressure in one tank:
| which forces gasoline into second
flows by gravity to the carburetor.
The vacuum system draws gasoline
into a vacuum section OF a gravity
tank by suction. the vacuum peine
| created by suction OF pistons IN the
! engine. and after reaching the tank
10. Never use a piece Of wire or a
tool Of any sort to remove caked mud
from air spaces in a radiator. This
practive invariably creates small
leaks in tho radiator by puncturing
the thin cell walls; Pass ~, water ;,i
rected toward 1t from the engine side.
| This Weeks Questions.
| /. Why will not a spark plug fire
l
haust valve?
2. why is the main air inlet to
| carburetor usually choked on when
an engine IL first started in winter.
when air is necessary to form the
| correct carburetor mixture?
| 3. When should the temperature
regulator Of q carburetor be opened.
and where is 1t located?
| T. What Is the best degree OF tenn
perature for an engine to run?
s. Why does the storage battery
have such heavy connections from
one cell to another, and why such
heavy cables connecting the battery
| to the starter?
| g. What causes a starter to revolve
| without cranking the engine. and why
| does this occur more often In colo
! weather than in warm weather?
| Z. How does the carburetor supply
| a greater percentage of gasoline than
air, as is demanded for short period
when an engine is suddenly accel-
| Grated?
s. How can you tell what size or
length Of spark plug an engine re-
3. why does high gravity gasoline
afford easier starting of cold en-
CINE?
10. How much voltage Is required
| to cause q spark to Jump across the
gap between spark plug points?
Copyright. 1922. Thompson Feature ssrvics)