CUSCO

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BRING BACK THE SPORTINESS WITH AN LSD!

Though unable to see from the outside of the car,  there is the part must be installed on performance vehicle ..It is "LSD" (Limited Slip Differential gear). Then why everybody installs LSD? Because, the forwarding power on an accelerator becomes strong. Furthermore, the movement of the car for the accelerator becomes direct and gets possible to run faster. and you will enjoy driving. Stepping on an accel pedal car will not only advance but performs other functions. Should you  understand LSD's function and its effect, you will know the necessities of "LSD". I will explain LSD on an FR car as a sample.
LSD fundamentals and necessities
  When a car turns, the outside tire of the cornering direction rotate around very much than the inside tire, and Differentialgear is a must item for every car, in order to balance the rpm difference between inner and outer tire. However, there is a tendency to increase tire rotation of slipping tire side. .In fact, such a phenomenon is very common during sporty driving.
 Because centrifugal force is generated on cornering, which means  an outside tire weight increases and the inside tire floats. At such condition if you accelerate, the inside tire begins to slip and driving force runs away at there. As a result, the car looses advancing force.
  LSD is the device to prevent the such phenomenon.When the tire turn difference of right and left occurs when I turn at the section, I work I get rid of the rotary difference, and to turn it together.Because driving force came to reach not only the Kalla inside tire which turned around but also the outside tire pushed to the road surface well, stepped on an accelerator; get possible to goddamn advance by car forward surely.

 

By the way, in the case of the sporty car, it is pure, and there is the thing that LSD called helical LSD sticks.kedo, the pure LSD have weak effectiveness, and the mechanical LSD of the part does not show an effect in after.Working wants to change the response for the accelerator for the mechanical LSD of a strong after part if I enjoy sports run.

Doughnuts with stock differential
ZOOM
Doughnuts with LSD equipped differential
ZOOM
I want you to pay attention to the left rear tire. Because there is little power to let you lock the tire of right and left when it is pure demister, few inside tires of the load go around Kalla. The engine power is used even if I stepped on an accelerator more than this to be able to hold it to idle an inside tire.I may grasp the empty circumference condition from an appearance person of the tire smoke. I pay attention to right and left rear tire.Because approximately equal driving force reaches the two wheels when power to lock the tire turn difference of right and left attaches strong "machine-type LSD", as well as the inside, smoke appears from an outside tire.Because it is used to be going to advance before, I am fast, and the engine power gets possible to run.

How an LSD operates during hard driving
  The device that the LSD operates when a rotary difference occurred in right and left of the driving wheel.Therefore, the LSD does not operate if going straight is in a state, and a tire is in condition not to go around Kalla.Because the tire of right and left comes to turn around together when LSD operates, only the tire of the one side gets possible to prevent the empty phenomenon that it turns around and does.   Even if there are some turn differences to a driving wheel when I run by a parking lot and town riding calmly if it is today's LSD(CUSCO type-RS), I can run for pure demister and the sense that do not change too much smoothly.It is in condition to step with gui with an accelerator that an LSD effect appears clearly, and it is the moment when a tire began a slip.
STOCK DIFFERENTIAL LSD EQUIPPED ZOOM
When I turn at the section, an inside tire with a little load begins to do an empty rotation when it is pure demister.Then the driving force is used for only that one, and the force of the empty circumference increases.A result, the power that are going to advance before decrease. At the moment when an inside tire began an empty rotation, I do alignment (a lock) of the tire turn difference of right and left when I attach LSD.As a result, the car can maintain the power that is going to advance before. When a rotary difference occurs on the tire of right and left in cornering, a cross shaft (a red department) pushes the cam (green part) and opens a pressure ring (a blue department) in right and left.I arrive, and it is assumed that I do it alignment (a lock) the tire turn difference of right and left friction / pressure the clutch plate (innocence department) of both sides.The LSD can sprinkle equal driving force to a two wheels by such a process.

The difference in feeling between stock differential vs. LSD system
  In steady yen turning, pylon Slalom, a tight corner, I will test pure demister and comparison of LSD made in Cusco.
  If the driving force that I am going to advance to for accelerator operation forward suffers immediately because I control the movement of the car by steering operation and the strength and weakness of the accelerator in the case of "steady yen turning", I am stable and am easy to come to continue picturing the yen.
  "The pylon Slalom" steps on an accelerator to a turn, and return it; is operated.If equal driving force occurs immediately if I step, here, the car comes to move the accelerator quickly.
 And step on an accelerator, and accelerate if "the tight corner" slows down with brakes, and change the direction of the car; the situation where is.In the case of a rear-wheel-drive car, it comes to be possible for the immediate slowdown that I gave up in the posture of the car coming to be stable when the one that attached LSD went through brakes.When I step on an accelerator and accelerate, the one where LSD is attached to advances before steadily.
TEST DRIVERS

Professional race car driver
Yuuya Sumiyama
Amateur enthusiast driver
Yuka Tomisaki
A good-looking man driver of rally world ichi which there is as for experiencing it championship of the all-Japan rally championship as for the coal mine of Cusco to try for with a commercial development subleader.Commentary & reports "LSD" from the viewpoint of professional. The cheerful girl who participates in the drift event of each place around Kanto area.I report run feeling of "LSD" from the viewpoint of amateur driver obediently.

Sensation of an LSD installed vehicle
  There may be the person thinking whether it "is Ino that is a meaning even if I put LSD because I am sports run beginner", but there is not such a worry.Even sports run beginner can take in the effect that a car advances to steadily when I stepped on an accelerator at a corner clearly.It is easy to come to get the sense to control the posture of the car because LSD sticks to it.In other words the progress of the driving is a reliable item to become early.   If driving becomes good, I change the direction of the car by accelerator operation positively, and it comes to be possible for even a stable drift run.Therefore, from a beginner to a senior, it may be said that the LSD is necessities if sports are running drivers.At first I put LSD and want you to sense a difference with the pure demister bodily.
TIGHT TURNDRAG LAUNCH

Till, from burekingu at the time of the corner approach, stand up at a corner; the point that can always sense LSD effects bodily.I can taste a stable powerful run by wearing of the LSD. Only a ring cut in half of right and left either is intense and, in the case of LSD non-wearing, races when I do immediate departure as a tire skids.Because a two wheels drives it if LSD is attached, it takes traction, and a rocket start is enabled..
DOUGHNUTS
SLALOM
If the tire turn difference (driving torque) of right and left comes to lock alignment & for accelerator operation by wearing of the LSD instantly, the posture control of the car becomes easy for only it. If the response with the effectiveness & effect bear of the LSD is high, the car advances before rapidly and, as well as steady yen turning, is easy to get on rhythm and, as a result, I am fast and can run..
type-RS type-MZ Pro Adjust LSD CUSCO
LSD OIL  
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