Evening star. [volume] (Washington, D.C.) 1854-1972, 1926-07-18

IL 10 up TO MIN 10 make decisions
regarding such matters, and to make
them quite frequently when he is
using the car. Driving quarter of
a mile, fast, with the windows all
open will drive out all the heat that
may be confined in the car. But this
is not always to be recommended
when the thermometer is hitting the
high spots. There are times when 1t
keeps the driver and his passengers
cooler to close up the car as much as
possible. This is true when terrific
heat els rising from the scorching
pavements.
When the pavements are hot and
the air that greets the car Is uncom-
fortably torrid, persons in open cars
are at positive disadvantage,
though they may not know it. What
IS more significant, the driver Of the
closed car may not know that he
has the advantage. Thus he may
open all the windows and try to be as
comfortable" as the man in the open
car. which is the wrong thing to do.
Those scorching puffs OF heat from
the pavement can be kept out by the
windows of the closed car. One
motorist who has experimental with
cars and their heat resisting proper
ties finds that under such conditions
1t is best to open the rear windows OF
the closed car and leave the front ones
partly closed. just how effective this
plan would be depends upon the par
ticular car. Engines that run hot OF
course, upset the most carefully
worked out plans in this respect.
Keep Cowl Ventilator Clean.
There are times when the cowl ven.
tilator simply let's into the car the hot
0f q In. of q
Generally speaking, II is better to
leave the cowl ventilator closed when
In traffic, opening 1t wide when travel
ing faster along the open road OF
course If the engine is hotter than the
air off the hood the ventilator should
be left open continually.
There is a tendency in closed cars
for the flooring, or at least the part
around the feet and legs, to become
warm from lack of ventilation. Some
open cars have hooks to provide for
partial opening of the doors. No such
arrangement Is offered in closed car
construction, but that is no reason
why door cannot be held partly
open for a few moments occasionally
when driving on a hot day.
Sometimes the situation is aRgra.
waited because the heater does not
close fully. II there is heat from this
device when 1t is supposed to be
closed, the butterfly valve does not
work properly and should be in.
spected.
Keeping the closed car cool starts
with its selection and purchase. Broad.
cloth Is the most comfortable ma.
terial for upholstery and is used in
the best of closed cars. Slip covers
should be used where velour or plush
upholstery is standard equipment.
Motorists cannot always allow up.
holstery to be the deciding factor in
the selection of q car.
Shades are not used as much as
they might be. They can be a. great
convenience when the sun is scorch-
Ing. Some cars have adjustable sun
visors which are also useful in keep
ing out little more sunlight.
Speed has much to do with closed
car comfort, because II. also affects the
engines temperature. While it is
true, theoretically. that the faster the
car travels the cooler its interior win
be, In practice the motorist NAV And
the reverse. Beyond a certain point.
on level ground, speed entails engine
struggle. And if the automobile pow.
err plant has to work hard on q hot
DAY 1t viii become very annoying
radiator.
Get the car up to good rolling
speed where 1t is travelling reasonably
fast, but where the engine is not be-
ing overworked. The happy medium
Is the handy solution to a hot day
problem.
Parking plays an important part in
closed-car comfort. II the driver
elects to leave his car standing in the
broiling sun it is a foregone conclu.
sion that when he returns to it he will
be uncomfortable for a while. The
thick roof of the we'll built closed car