Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1920-02-29
TOURING DURING WINTER
HANDLING MOTOR CAR
WHEN AIR Is CHILLED
Estrcmc Changes in Temperature Have
No Effect on Car
burct1On.
nY RAY J.. MCNAMARA

In the early days of the automobile
:,uustry manufac,urcrY were confront
al with so many problems through
out the car that they We're satisfied with
almost any Kind OF carburction just so
long rs the motors would start amt
run. In the summer time the cars
would start fairly well, but on a cold
winter morning IL WAS always Il guess
rs TO whether YOU would get your
motor started \ man needed Il pair
Of overalls for This operation. as on
some cars 1t was necessary TO raise tho
hood, twist your arms around - lot Of
greasy wires and pipes to get to tho
carburetor for the purpose of flooding
II. also TO hold your hand over tho air
intake while some other husky cranicd
His head or and then. il you were
lucky enough to got started. YOU would
have TO humor, the motor all day to
would become frosty and balls of IT,"
would form in the gasoline feed pipe.
neccssitatins the cleaning of tn" gas
Iinc every few miles. Is II any wonder
that cars were stored throughout Tia.
winter? When tho alnateur had To con
tend with these conditions. :! man had
to be :, real sport with a lot OF pa
iience and nerve 10 use his car the
winter round.
nemoving the "Bmgs.-
After some Of the bugs were re-
gears would slide. motors would motn
and differenti;tls would d.fer.ntiatc. it
was evident that something was need
cd to perfect carburction and improve
the n.xibility OF motors. This cam.
first in tho form Of hot air OFF tie.
exhaust pipe and hot water jackctch
Situat on very much and seemed to he
he limit o! perfection at this point:
However. the hot air arrangement had
its faults. ia that "hcn cold blasts OF
air would come in under the hood the
mir would pass over the exhaust pine
without being sufficiently heated. This
would almost choke the motor ana ne
ccssitatc a lot or ccrburctor adjustment
10 meet the temperature Of the four
seasons In the. case Of hot water
Tors. there seemed TO u. a lot Of con
densation taking place which causcd a
moisture in the gas. This condition IN
heated fouling Of plugs, valves and OK
cessivc carbon deposits in cylinders:
ALSO it was necessary to run n few
Popping and splitting, before the water
became sufficiently heated TO have the
proper effect on gases
II was very evident that what was
needed TO attain tho highest degree
Of efficiency and perfection in carbu-
accomplished in the shortest possible
time after motor was started, 20 1t has
only been in tue last few years that
hot spot principle This was accom-
plishcd in 4 very satisfactory and sim
nlc manner on both the Maxwell and
1t would be very hard TO describe
fully the advantageous effects OF not
spot on the Internal combustion motor
Having driven over 10000 miles sum
,ner and winter touring in tcmpcra-
lures ranging from zero TO ln2 degrees
with hot spot equipment, The writer
believes the chief advantage lies in the
fact that motor operates the same in
winter as in summer. Extreme changes
in temperature have practically 10
effect al all carburction. In tho
coolest weather tho economy romans
practically the same. and II only takes
A few seconds 20 warm motor up 10 the
point OF smooth running. Other adj
van;ages are clean and dry combustion
fact. tho foulinG OF spark plugs IS
an unknown quantity in hot spot mo-
tors II is only a question OF time until
all manufacturers VIII adopt this pin
ciple.