Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1920-05-02
S|MPL|F|ED LESSONS IN
CARE OF AUTOMOBILE.
hnRinccr GucrrIich discusses Dis.
tributor System AMI Its
Principal Features.
LENTIItE 80. IOI.


from previous lectures we SAW
mat In order 10 nave the cuTrcn.
jninp ACROSS che sp"rn plugs We mad
40 nave u very hiSh Hoitaev, a.iG We
learned how thc induction COLI mans
iorined the low voltage into h.sh
iou will recall that The transror-
nation OF the current from low TO
hiSn voltage occurred the moment the
core Was ihaRnctiHed or demagnctiZed.
ana that the core WAS mngnetiGed or
hemasnctizcd by sending II current OF
eieG,rIcity through The primary, coil.
rent, respectively. w..
rae dasssr nG core is masnst5sa
VIII he the secondary current.
AZ the now Of the current can be
more Quickly stopped and thus the
ne current can be started flowing
and the core T. us masnctized. prac-
tcaliy all ignition systcms are de-
current is Stopped. Thus. AL ignition
systems must nave some device for
ssLioppins or iptsr,ruotiins the neg OF
tor system TINS device is called the
intcrruoter.
Br>rrIbcs the Intcrruptc-.
ruptcr tx shown. The cam e. Is fas-
tened To u shaft. which is made TO
reyolvG: the usual practice being 20
engine. This. cam r.. you viii no
tee has or l. four Offsets or ham
I cylinder, ens!nc), which hammers
when The cam is revolving. viii
,hus ' p nEini Ibis On Arm me down. "F,"
ward. You Will also notice that the
arm. N can swing on the pin. -"
A. which rests against the point.
a. IL being pressed against this by
The spring. ID" Thus. az the cam
hits against &C" the arm. M Is
driven downward and the. points.
A and "a" are separated.
Now. II Il current OF electricity
were sen, through, the wire. h." &,
l would enter at the terminal. l.
wre. when. p Ha% "sS i"F the ha ume
separating the points ~ and "a
this circuit VIII be broken. and The
current interrupted
known ar the distributor system OF
iSni ton. system. II we exclude the
Ford ears. which was Furnished on
in the last few years.
This system has two circuits. a pr!
onJts thare must be in the pTl,n"ry
circuit. and then the units there vii
have to he in III. secondary.
Switch Must he Convenient.
In the primary we must Hrst have
a source OF current. which usually ~
storage ha,,ery As The engine Is
mus, have "a nwl,ch wh.ch IL near the
drivers scat so that II" cav hfscon-
Incct the battery at Will We mus.
have "a coll OF wir" around tn" core
and "" must haze an intcrruptcr
The drawing shows how these uni.a
are assembled. The current viii start
~ the battery. thcn go through tho
uswitch. then through IN" coil lbou,
'hc core. then through the wire, III -
he !ntCrruDtcr points "a" and "a: 9"
ne arm. N" and back 10 the battery
10y way OF III" wire shown rs dotted
line.
Evcry time the above circuit, +.
~ Oxen by III" in;erTup:er points. "a"
Nd -. Separating. there Viii h- "a
2shot o! hlEh voltage IN the secondary,
Through the wire 49, This currcn:
6,mnai 70 "a the. spark p;ugs. ANA. in
r. four cylinder engine. 20 tour Bugs
3at d ncreui times. and IN II certain
Border. that -. tile Firing order. Here
FiS difficulty to be otcrronic. gs we
have but one Wire, ana four plugs 10
fget the current al different times.
This Is ACCOMPLISHED by what ia
t<nown rs y distributor. which viii
spe explained in the next lecture and
S!ro.n VIII ch THIS system gets It's name,
~ there is 40 car on the market
$which IL without an interruptrr of
come Kind and as the spark is abso
4 uie!y dependcnt upou the interruptcr
Is one % the most Impor:au, DARTS
r. the automobile. Readers will do
Vel. Therefore. to carefully study tn.
,ction anl why uad wherefore uf a.
fniess ii lac understood. IN. ignition
8'ystcm. VIII lch 81 so important cau-
lot be understood