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If you are planning a race and are not required to use a specific kit type, our MV Basic or Wedge Car Kit are just what you need. These attractively priced kits are equipped with:
There is no guarantee that the graphite ring is concentric with the
bore of the wheel. In fact, it would take precision equipment to make
a truly concentric ring (see Figure 1).
The ring does not lubricate as well as dry graphite. As described previously, in our testing, graphite with alcohol was always slower than dry graphite. In fact, if you watch the video mentioned above you will note that there is no comparison test between a dry-lubed and a wet-packed wheel/axle. In fact, there is no claim that the wet-packing method is effective other than "it might help you knock off a few thousandths of a second".
Be leery of any method where the wheel is rotated at a high speed
for an extended period of time. Many people advocate using a Dremel-
like tool and a buffing wheel to rotate the wheel. Recognize that on a
typical track, the average RPM of the wheel is about 2200. Dremel-like
tools generally have settings as high as 30,000 RPM. If a wheel is
spun up to 30,000 RPM, the graphite will wear off very quickly, and
the wheel will overheat. Remember that the point of spinning is to
build up the graphite ring, not wear it off.
So, if you use a Dremel-like tool to spin wheels, set the RPM to the lowest speed (on my tool this is still 5,000 RPM) and just briefly touch the wheel to the buffing wheel, letting it spin down to a standstill.
Some videos recommend using a treadmill to spin the wheels.
That is, the lubed wheels and axles are installed on the car, the car
is placed on a treadmill with a string from the front of the car
attached to a stationary object so that the car stays on the
treadmill. The treadmill is then started, and at intervals graphite
is applied to the wheels.
Again, the wheel spinning is to build up the graphite, not wear it down. So if you use a treadmill, limit the runtime between graphite applications to about ten seconds. This simulates four heats on a standard track.
Some videos recommend pressing the graphite into the bore of the wheel (truly packing it). This is probably fine as long as the wheels/axles are spun many times to loosen up the system and shed the excess graphite. If this is not done, the wheels will not spin well.
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