By changing the weight distribution on the car, you affect the way your car will behave when cornering. Struts and trailing arms generally arent great in this case as they have a lot of inherent bind. Your results might be different from mine. links then disconnect them for the corner balance. There are several ways race teams adjust corner weight. split the adjustment between all four wheels--extend the LF and RR 1 1/4 turns Raising the rear end will also provide a little more on-power grip by keeping more weight directly above the rear tires during acceleration. on my garage floor for future reference. weights: Corner Weight Calculator if The ultimate goal is to find the balance that will eventually lead to faster lap times. Bite = Left Rear - Right Rear and a positive value means the On the other hand, it drives really, REALLY good for being setup by this idiot behind the keyboard, and I really don't wanna spoil a good setup by chasing after a perfect setup at least not yet. The advantage to wedge is that the left rear tire carries more load, so the car drives off the turns better. On dirt cars, both rear corners can move quite a bit, so the link angles on both sides are important. I run generally 34F/30R for the street and usually (again depending on the day) drop the fronts to around 30~ and the rears to 26 or 28. Thinking about this a little, the weight measured by the scales is the sum of the force of gravity acting on the car's mass, and the force of the springs pressing downward. Same goes for for swaybar endlinks. Static weight distribution is the weight resting on each tire contact patch with the car at rest, exactly the way it will be raced. These are your current calculated weights: Left Weight = Wheel offsets are very important. Still, it is a worthwhile goal to strive for 50 percent left-side weight. Lay the bag flat onto the scale pad, partially open to vent, lower the car into the bag. Roll Center Explained - FMI Knowledge Base - FMI Racing That is why it gets tighter. To calculate cross-weight percentage, add the RF weight to the LR weight and divide the sum by the total weight of the car. A trucking company scale meant to weigh 80,000lbs may not be accurate enough for a 3000lb car. I'm off by 0.1% (see numbers on left side of the spreadsheet). You've mentioned "dead struts" a couple of times - what do you mean by that? It's a lot of When looking at corner weighting, the cross weight (diagonal weight) is the most important component. Motors / ESC: Any 1/10th scale motor/esc combo allowed. If you do have adjustable end links then disconnect If you think about this process and become familiar with the intent of it, then your process for setting ride heights and weight distribution should become easier and faster to do, not to mention less frustrating. shifted by more than 1 pound after rolling the car on the scales. The situation isfrustrating. If the car understeers or oversteers in only one direction, check the cross-weight percentage. Of course you can add too Get the numbers right and the percentages will follow. Prepare the car. Recheck air pressure often to assure ride heights stay consistent. So LF/LR = RF/RR is what you shoot for. For our example, we need to go from 49.8 to 54 percent. lowered onto the scales the tires will need to spread out to unbind the . 1 of the section on "Adjusting The Corner Weights," and that is 685. The rear weight percentage is found in a similar manner: Add the LR and the RR weight together and divide the sum by the total weight. Kart Scaling & Weight Distribution - Woodbridge Kart Club
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