Compressing the spring of a left-rear wheel or adding wedge puts more of the car’s weight on that corner. This adds pressure to that end of the car just like putting the paper wedge underneath the table leg. As with the table, the corresponding diagonal corner of the vehicle gets more of the car’s weight.
What does increasing wedge do?
By increasing (raising) the wedge, the car can be tightened. A full round of wedge means that the crewman will turn the ratchet 360 degrees, although more drastic adjustments may require several rounds, while sometimes only half a round is added or removed.
What does a wedge do in Nascar?
Round (of wedge): Slang term for a way of making chassis adjustments utilizing the race car’s springs. A wrench is inserted in a jack bolt attached to the springs, and is used to tighten or loosen the amount of play in the spring. This in turn can loosen or tighten up the handling of a race car.
What does Wedge do in Nascar Heat 3?
Wedge. Less wedge will loosen the car, allowing it to turn better. More wedge tightens the car, and can help in putting the power down.
What does wedge adjustment mean?
Essentially, a wedge adjustment is increasing or decreasing the tension on the spring in the rear suspension. Depending on how a car is adjusting to the track, a driver might notice that track conditions have changed to a point where a wedge adjustment is needed.
What does tape and wedge mean in Nascar?
Wedge makes the car looser or tighter. A loose car is better on the short runs but a tighter car is better for long runs. … Tape can make the car go faster. The more tape you put on your car, the faster your car will go. If you put too much tape on the car, the motor will overheat and you will begin to slow down.
What does it mean when a Nascar is tight?
Tight: Also known as “understeer.” A car is said to be tight if the front wheels lose traction before the rear wheels do. A tight race car doesn’t seem able to steer sharply enough through the turns. Instead, the front end continues toward the wall.
Why are Nascar cars crooked?
Even though it looks like the cars are sliding sideways, they’re really not. Their tires are still in very good grip with the racetrack. They are just steered in that direction to skew the body of the car. They used to put the bodies on crooked on the chassis to get that side force.
What does more cross weight affect handling?
On oval track cars, cross-weight is usually used in conjunction with stagger (where the right rear tire is larger in circumference than the left rear tire) to balance handling. More stagger usually loosens the handling in left turns, so more cross-weight is used to tighten it up.
How does tire pressure affect Nascar?
NASCAR tires routinely change pressure by 20-40 psi from the tire sitting on the pit wall to the time it’s run a couple of laps. So the pressure you put into the tire is no where near the pressure you have three to five laps into the race. … It’s a calculated risk teams take in how low they will start their tires.
What kind of tape does Nascar use?
Bear Bond tape is simply amazing and can be used to Patch or Repair Most Anything Bear Bond sticks to Each kit consists of 3 sheets of material The material is paint-able. This is the same tape that is used in NASCAR so that drivers can finish a race after crashing.
What does brake bias do in Nascar?
A NASCAR race car has separate master cylinders for the front and the rear tires. Note the little dial where the brake lines split into front and rear. That’s the brake bias, a device that allows the driver to change the proportion of the force that’s going to the front versus the rear brakes.
How do you tighten a Nascar?
The suspension springs can be adjusted to compensate for tightness or looseness in the car during turns (called wedge adjustment, which you can read about here). You can use a ratchet a turn that long jackscrew attached to the suspension in either direction to make a car looser or tighter.
What is wedge on a racecar?
Wedge, or cross weight, is the total weight of the RF and LR corners divided by the cars total weight. It is used to keep the back of the car tight entering a corner while also adding bite exiting a corner. … Both of these mounts are adjustable up and down and change the rear roll center of the car.
How do you tighten a loose race car?
Softening the right rear spring, and/or stiffening the left rear spring will increase the rear roll angle and will tighten the car, as will softening both rear springs. The inverse is true, stiffening the RR spring and/or softening the LR spring will loosen the car.
What is track bar adjustment Nascar?
The track bar is located underneath the rear of the car. By raising or lowering the right side of the bar, a driver can alter the position of the rear axle in relation to the car’s centerline. Any changes affect the weight distribution of the car and how it moves through the corners on the track.