How To Drive A Motorcar
A Key To The Subtleties Of Motoring
År: 1915
Forlag: Temple Press Ltd.
Sted: London
Udgave: 2
Sider: 138
UDK: 629.113 How
Written and illustrated by the Staff of "The Motor"
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HOW TO DRIVE A MOTORCAR
entail a certain amount of wear on the clutch which
cannot benefit it, and also a certain amount of strain
on the gear change mechanism, which is likewise sure
to be the reverse of beneficial.
The throttle is, of course, left pretty well open, but
the movement, even in the hands of an expert, is not
always so successful as expected. Some people argue
that this is the quickest way of changing in a scientific
manner, but the writer, while giving due deference to
the other opinions, does not altogether agree.
Admittedly, the movement is simpler than that which
is going to be primarily advocated, but it is necessary
to make the declutching movement with a certain
amount of deliberation and care, and also to make the
depression movement slowly: thus time is taken up.
So much, then, for the slipping method of changing
down.
How to Double Declutch
It must be admitted, before starting to describe this,
that it will sound a little complicated on paper, but
when once mastered the action is almost instantaneous,
and the writer, without wishing to appear in any way
to vaunt his prowess, has accustomed himself so to do
it that the several movements are accomplished so
quickly that occupants of the car are frequently diffi-
cult to convince that the series of movements tave
actually been accomplished. As stated, this is not
meant in a boastful manner, but more to encourage the
novice to study the movement and practice it, and not
to be frightened by it.
Assuming, then, that we are running along at a good
speed on top gear and encounter a hill. It is obvious,
even at the bottom, that, before we can surmount it,
it will be necessary to change to at least the ';hird
gear. Well, instead of waiting until the last ounce of
the engine’s power has been expended on the top gear,
and then mating the change when it is comparatively
easy, we are going to show how it can be made at any
car speed and any engine speed with perfect precision
and silence.
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