How much scrub radius is too much

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August undefined, 2024

WebRim & Tire Size Calculator. Custom Offsets - Wheel-Size.com Wheel- Size.com The world's largest wheel fitment database. Source for tire and wheel application fitment data Last Update: April 7, 2024, 1:25 p.m. Rim & Tire Size Calculator See how changing your tire size affects your car’s performance WebFeb 12, 2024 · Tire diameter certainly affects scrub radius as it changes the point where the two axis intersect. This is probably why AEV moves from 6 inches to 5.2 inches of …

Wheel Offset and Suspension Performance

WebApr 23, 2007 · so, if SAI moves 1" for every 10.25" drop, then as it drops 9.5" from the lower BJ, the SAI intersects ground 0.93" in from lower BJ, or 4.32" from flange. adjust for 3/4" offset, that comes up with 3.57" stock scrub radius. this compares with the 3 1/8" calculated using the plumb line above, or 0.45" different. WebMay 3, 2024 · However, zero scrub radius, under hard braking, causes the suspension to be skittish because varying road conditions created varying amounts of torque (both positive … shryock fishing

My altered scrub radius and torque steer experience

WebDec 23, 2024 · Too much scrub radius, whether it’s positive or negative significantly affects the driveability of the car, and how fast suspension components and tires wear out. To sum this up, there’s no right or wrong when it comes to scrub radius on your car. Each option has its pros and cons, but the underline is that whichever you choose, you should ... WebJan 10, 2024 · Size especially. 30 to 40 sidewall is where you loose the feeling. And this was the nail on the coffin for your observations. The oem wheels and tires are the worst possible choice for a track day. There’s enough info out there where the oem tires lasted one day. WebJan 8, 2024 · Positive scrub radius (KPI line or SAI line hits the ground inside the center of the contact patch) imparts a toe out force on the tires. This is typical of RWD cars. … theory of the forms plato

How much scrub radius is too much? : r/FSAE - Reddit

How much offset is too much offset? : r/Offroad - Reddit

WebSep 21, 2015 · The scrub radius only dropped down to 1.760”. Still way too much. As a matter of fact, you would have to run about a 50” tall tire to get it under an inch of scrub and all the way up to a 63” tall tire to get it back to stock scrub radius. The drawing below shows a 63” tall tire and .423” of scrub radius. Ridiculous I know. Web539 Likes, 7 Comments - Raceonly (@raceonlygarage) on Instagram: "I’ve posted about Andrew’s car before, I’ll let him share his story, what a car, from where..." shryock racing chassisWebJan 30, 2024 · Positive scrub radius effects steering, handling and has negative effects on related parts. (The wheels are offered in +1mm and +20mm offset but then wont even fit...too much backspace) I chatted … theory of the firm wikipedia

"WebJun 9, 2024 · Much like finding a happy medium with a 0 offset wheel, the same can be achieved with wheel spacers. We initially installed 1.25″ spacers after we found that the tires rubbed on the upper control arms. Although they did indeed clear the upper control arms, the scrub radius made the rubbing much worse, just in a different area. " - How much scrub radius is too much

How much scrub radius is too much

Race car suspension Class Physics Forums

WebJun 4, 2009 · Page 1 of 2 - SCRUB RADIUS. - posted in The Technical Forum Archive: Hi Chaps, can I ask a question please. ... Greg ; #2 is the one I was thinking of, steering snatch approaching 100% braking with too much Scrub. Bill, Ya got that, I think it shows very clearly that my concerns with Scrub on WebJan 20, 2024 · That will increase the scrub radius quite a bit. That will mean the car will react worse to uneven pavement, pulling left and right. ... Going off google pictures, a -15mm offset from stock may be way too much. A -5mm offset from stock may fit better - as the car hits bumps the tires may hit the fender liner and rub at full steering lock. L ...

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WebMay 6, 2024 · Too much toe out makes the car twitchy, so I don't recommend more than 1/4-inch toe out. ... it increases the scrub radius too much and hampers steering precision … WebMar 5, 2008 · This platform in production form runs -5mm scrub. I understand the immediate impact of a large +ve scrub radius, but I have no reference for how excessive …

WebNov 2, 2024 · Before making any changes to your wheels, even if it’s as small as 10 mm, you need to know that these changes will impact your car’s scrub radius. If the change is not suitable for your suspension geometry, it can potentially end up making your car drive worse than it did before. WebMay 3, 2010 · Scrub Radius: Ideally, the scrub radius is as small as possible. Noramlly the SAI angle and the centerline of the tire and the wheel intersect below the road surface, …

WebFeb 26, 2024 · Today at 07:41. #23. Just know that changing your offset on the wheel changes your steering "scrub radius", and has adverse affects on handling. It also affects the longevity and wear on your steering components. Changes the steering wheel input as well. Will scrub more speed off in the corners, etc,etc,etc. WebDec 4, 2024 · Positive Scrub Radius. Positive scrub radius helps to maintain steering feel — an important thing to have when you’re driving a race car. It also complements your caster and amplifies the self-steering effect. Here …

WebSep 8, 2015 · With regards to scrub radius, a very large value can feel pretty awful in terms of steering kickback, effort, and also do some funky things with toe change. A wider track …

WebMay 3, 2010 · Scrub Radius: Ideally, the scrub radius is as small as possible. Noramlly the SAI angle and the centerline of the tire and the wheel intersect below the road surface, causing a positive (+) scrub radius. With struts, the SAI angle is much larger than the long arm/short arm type of front suspension. shryock raymondWebExtreme positive scrub radius can make the steering very heavy, too, and it was only really viable on old cars with very thin tyres. Most of us have negative scrub radius on our cars... theory of the gazeWebNov 5, 2024 · The scrub radius is the distance in front view between the king pin axis and the center of the contact patch of the wheel, where both would theoretically touch the road. It could be positive, negative or zero. Large positive values of scrub radius, 4 inches/100 mm or so, were used in cars for many years. shryock servicesWebNov 5, 2014 · How much scrub radius is too much? What do you all think? 6 12 comments Best Add a Comment Some__Bloke • 9 yr. ago Depends far too much on tyres and general … theory of the goodWebZero scrub radius also causes the tires to scrub in the opposite direction of rotation during turns (tire squirm). This has a negative effect on handling in turns and affects overall tire wear. Wider wheels and changes in tire size … shryouWebOct 30, 2024 · With the front suspensions , the scrub radius is different along with the front tracking width. I believe the 02 is narrower and has the greater scrub radius. If a company is only keeping a design for one year and does it twice in a row, it's probably not good. The 02 should have the louvers in the cowl while the 03 has them in the hood. theory of the fundamental laser linewidthWebJul 1, 2008 · This makes a negative scrub radius less negative, maybe even positive. This could lead to unequal front-wheel traction depending upon the difference between the old … shryock racing chassis specifications