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Efficiency tires have historically traded velocity for consolation. In spite of everything, does a bit hum on the freeway matter if you’re clipping apexes?
However we observed one thing whereas driving on the Maxxis Victra VR-1: For a 200tw tire that has carried out effectively in our monitor checks, it’s nonetheless fairly quiet and civil round city. So we requested questions–like what causes a tire to be loud and, with out giving up commerce secrets and techniques, how do tire firms mitigate these noises?
[200tw Tire Test: Valino and Yokohama Take on Favorites From Hankook, Maxxis, Bridgestone and BFGoodrich]
“There’s a distinction between street noise and sample noise,” explains John Wu, an engineer by coaching and now director of product technique at Maxxis. “Street noise is what you hear when the street is coarse and also you hear this ‘roar’ contained in the cabin.
“Sample noise,” he continues, “is normally a extra cyclic howl that you just hear when the street is glass easy. It’s particularly dangerous on mud tires, as I’m certain you’ve heard them on these huge, lifted vehicles driving down the freeway.”
Decreasing that sample noise, Wu explains, is a giant concern when designing tires for street use: “Sample noise has been confirmed to trigger driver fatigue, and sure frequencies can resonate with inside components, inflicting much more annoyance.”
A real slick, he notes, produces the least sample noise. It’s the tread wanted to supply moist climate efficiency that creates that howl: “The strategic placement of grooves determines how quiet a tire is. The placement, form and dimensions of every of the grooves can have large affect on the sample noise. Different issues equivalent to profile, mildew design and different components all play a task as effectively.”
A Tire Rack tech piece shares extra on the method: “If each tread block (pitch) featured the very same measurement and form, each would generate the very same sound tone and depth as they rolled by means of contact with the street. This could end in all 4 tires contributing to an disagreeable monotonous tone.
“With a view to maintain that from occurring, tire designers use computer systems to sequence multi-pitch tread designs that subtly range tread block measurement and form to randomize the street contact and ensuing noise. In addition they offset circumferential block placement of neighboring ribs to cut back noise by aligning lateral grooves with adjoining tread blocks.”
“Each tire phase has completely different ranges of acceptance,” Wu explains, “so our engineers and product planning workforce set targets for every new product accordingly. For the VR-1, we designed it to be a real avenue tire–subsequently, our engineers didn’t pursue dry efficiency in any respect prices however made certain the tire labored effectively within the rain, wears effectively, warmth cycles effectively, rides effectively and isn’t too loud.”
Feedback
View feedback on the GRM boards
If you might be operating 200tw tires, tire noise is the least of your issues.
Thought it’s good to know which you can run them to and from an occasion and never be droned out of your automotive.
True story, it was time to place new tires on our Civic Si, and on the way in which again from JG & Duck Tire Svc. I used to be like, these are method too quiet for 200tw.
Nonetheless not understanding how a principally easy tire could be “loud”. I imply, I hear sufficient folks point out it to simply accept that it may be a factor, however I do not get it.
I am unable to hear something above the sound of my Miata exhaust.
NickD
MegaDork
6/17/22 6:12 a.m.
The Nexen N Fera SUR4G have been actually quiet on the street they usually did not tramline in any respect, regardless of the beautiful aggressive alignment my automotive had on it. The draw back was that they have been additionally completely silent if you have been driving the automotive exhausting, there was no noise till you have been overdriving the automotive and it simply chewed them to bits.
In reply to NickD :
Yeah, someplace there is a fascinating level between quiet and talkative. Some communication on the restrict is appreciated.
te72
Reader
6/21/22 1:23 a.m.
In reply to Pete. (l33t FS) :
Private expertise with R888R’s on an LS400 tells me that they’ve a bizarre hum to them that’s not precisely nice. Even at low speeds, so I do not suppose it is a lot the wind creating it on this particular automotive’s case. Too huge a smile on my face autocrossing a giant automotive like that to actually care, however sure, it is a factor. A bizarre factor, admittedly.
Different unexpectedly civil tire? Kuhmo V730, within the ubiquitous 205/50/15 Miata fitment. Drove it 500 miles spherical journey for an autocross final 12 months, and was pleasantly shocked at how quiet and rain worthy it was, in new situation. Now that it is had a half dozen occasions on it… I believe it would not do as effectively within the rain. =P
In reply to te72 :
Once I take a look at the V730 tires which have greater than a half dozen occasions on them, they certain do not appear to be they might work on the moist. The skin 2/3 is a slick.
They’re good tires for dry autocross although. I’ve pushed on them for a number of occasions in my buddy’s 19 civic sport, and I used to be impressed. He trailers it to occasions, so not a lot avenue driving.
Cactus
HalfDork
6/21/22 12:32 p.m.
When you’ve got unmuffled facet pipes, all tires are quiet.
In case your HPDE run group tracks after the Spec Miata group, it will not matter how fairly your tires have been earlier than you took the monitor.
After three quarters of a lap of fairly extreme further rubber rumble, I threw a piece of rubber at a automotive as I pointed him by that seemed prefer it may have been a roof shingle.
te72
Reader
6/22/22 8:52 p.m.
In reply to Floating Doc (Discussion board Supporter) :
Doc, at that time in a tire’s life, you are proper. When new although, I used to be in a position to drive throughout the state (Wyoming) and again, in fairly heavy rain on the way in which again too. Did not miss a beat even at 70+ mph. Would in all probability make an honest avenue tire for a pair years, for those who’re like me and solely get 3-4 months of first rate climate.
Tire howl is an actual factor. I am unable to consider a few of the tires some spec as OEM. My Civic Si is all tire noise proper now. My spouse’s Tiguan was the identical method. Once we modified tires on her automotive at 30k miles it was a very completely different and higher automotive. Updating the tires on my Colorado additionally helped fairly a bit. I might be doing Continental All Terrain Contacts on my wifes new Tahoe in one other 25k miles or so too.
aw614
Reader
8/2/22 1:43 p.m.
te72 mentioned:
In reply to Pete. (l33t FS) :
Private expertise with R888R’s on an LS400 tells me that they’ve a bizarre hum to them that’s not precisely nice. Even at low speeds, so I do not suppose it is a lot the wind creating it on this particular automotive’s case. Too huge a smile on my face autocrossing a giant automotive like that to actually care, however sure, it is a factor. A bizarre factor, admittedly.
Different unexpectedly civil tire? Kuhmo V730, within the ubiquitous 205/50/15 Miata fitment. Drove it 500 miles spherical journey for an autocross final 12 months, and was pleasantly shocked at how quiet and rain worthy it was, in new situation. Now that it is had a half dozen occasions on it… I believe it would not do as effectively within the rain. =P
Attention-grabbing in regards to the V730 being extra civilized, I had the earlier V720 and people roared like I had a nasty wheel bearing.
te72
HalfDork
8/2/22 2:55 p.m.
In reply to aw614 :
May also be the automotive. My Miata is all inventory with regard to suspension, so no further NVH from poly or strong bushings, plus it is a tender prime. It isn’t precisely a quiet freeway cruiser to start with. Maybe those self same tires on a distinct automotive can be insufferable.
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