By turning the ratchet, the tire changer can add or subtract wedge. The adjustments are measured in turns (of the wrench) or rounds. Often, the car may only need half a round of wedge adjustment.
What is wedge in Nascar racing?
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. Wedge is required to get through the corners.
What’s a wedge adjustment?
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 is a wedge sprint car?
Wedge is the offset balance within your tires of your car. Having A Balanced Stock Car. Discussions about dirt track racing for beginners and making your car balanced have now become considerably more popular. This is because having a balanced car can give you a greater chance of winning every race you participate in.
Does adding wedge loosen the car?
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.
How does wedge affect a race car?
More wedge means that the car will likely understeer more in a left turn. The advantage to wedge is that the left rear tire carries more load, so the car drives off the turns better.
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 trucks 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 loose or tight mean in Nascar?
TIGHT: Also known as understeer. This occurs when the front wheels lose traction before the rear wheels. … LOOSE: Also known as oversteer. This occurs when the rear tires of the stock car have trouble sticking in the corners.
What are examples of wedge?
Some examples of wedges that are used for separating might be a shovel, a knife, an axe, a pick axe, a saw, a needle, scissors, or an ice pick. But wedges can also hold things together as in the case of a staple, push pins, tack, nail, doorstop, or a shim.
What can a wedge be used for?
Wedge, in mechanics, device that tapers to a thin edge, usually made of metal or wood, and used for splitting, lifting, or tightening, as to secure a hammer head onto its handle. Along with the lever, wheel and axle, pulley, and screw, the wedge is considered one of the five simple machines.
What is Nascar Heat 5 wedge?
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. If you want a tighter car, up the wedge ; a looser car, decrease the wedge.
What does cross weight do in a race car?
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.
What engines do sprint cars use?
Typically, they are powered by a naturally aspirated, methanol-injected overhead valve V8 engine with a displacement of 410 cubic inches (6.7L) and capable of engine speeds approaching 9000 rpm.