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Clare - are smaller car tires easier to balance than SUV tires?
On Monday, June 17, 2019 at 10:15:38 PM UTC-5, wrote:
> Xeno wrote: " > At a given tyre pressure and vehicle mass, the wide and narrow tyres > will have the same contact patch area. So no gain there. What does > happen is that the contact patch becomes wider. A wide contact patch > provides adequate cornering force at smaller slip angles but they reduce > self aligning torque because of the reduced pneumatic trail. Therefore > natural stbility and steering feel is commensurately reduced. There is a > practical width of tyre for every vehicle but *cosmetic appearance* > trumps this so people want the look of wider low profile tyres. There is > also a section profile that is optimum for both ride comfort and > handling allowing the tyre to form part of the *springing*. IIRC, this > was about 70. at a section of 65, the ride gets more harsh and continues > to do so the lower the section profile gets. " > > Agreed, and makes perfect sense! > > I'd say the lowest profile I'd go for is 65-series. > > Even if the contact patch for, say, a 70 and a 40 > series tire is approx. the same area, that patch should > be parallel, not perpendicular, to direction of travel. > That should be common sense, and flies in the face > of all the aftermarket modders who want to throw > 40-series bling 20" rims on a '85 Caprice or some such > that was specifically engineered to work with 70-75- > series tires and a specific rim diameter(typically 15 or > 16") and width. > > By the way, the Sonata I drove that 'steered itself' > exacerbated matters due to its 55-series tires on > 17" rims - a Limited. Thing had a reasonable steering > heft, yet somehow felt like driving on ICE, even on a > dry highway on a sunny day. The steering wheel would > slowly start tuggin to one side, and I'd start applying > counter forcd, and then the steering wheel would snap > quickly too far thr other way, causing the wander. It > was a 'sticky' feeling, sort of. > > > I wish I'd kept the car, and just had gone to the dealer > to minus-size down to 60 or 65series tires on 16 or > 15" rims. Combined with the reduced-assist Sport mode, > the 'ghost' in the EPS would have been even less of an > issue. How about self balancing tires? innovativebalancing.com |
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#22
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Clare - are smaller car tires easier to balance than SUV tires?
wrote in news:561b9dec-d794-48e6-84e2-
: > innovativebalancing.com I have used them, they are ok, but with everything the draw back is the inside of the tire has to be dry and clean, and you will get a starting bounce in the morning at start up. It is better than not ballancing truck tires at all. KB |
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