This should end the Run-flat debate!

espo · 11-26-2005, 09:16 AM

Thought you may find this interesting, It's a new "tire" being developed that will never go flat, because it has no AIR!!!

http://www.time.com/time/business/ar...129516,00.html

kingston_e90 · 11-26-2005, 09:43 AM

Looks like it might Run-flat on one side

Mark · 11-26-2005, 09:43 AM

very cool technology, can't wait for it to eventually roll out into production

Pretender · 11-27-2005, 11:47 PM

Quote:

Originally Posted by MarkE90M3

very cool technology, can't wait for it to eventually roll out into production

and it's ridiculously ugly. No way that I put these on my 330.

visor · 11-27-2005, 11:54 PM

Quote:

Originally Posted by Pretender

and it's ridiculously ugly. No way that I put these on my 330.

Yeah, but can you imagine how much weight is saved per corner!
That thing can't be more than 10-15 lbs! :rocks:

Pretender · 11-27-2005, 11:59 PM

who cares about the weight. I can't even use all my 255 hp.
If they want to save weight, they should start developing good rubber or plastic materials for the car instead of metals now...hehe

visor · 11-28-2005, 01:00 AM

Ahhh, but losing unsprung weight does wonders for the acceleration and handling...

nimo · 11-28-2005, 02:16 AM

Those rubber bands should decrease cornering performance due to the lack of sidewall flex. One could imagine the ride on one of those tires. How do they attach the tire on the wheel since there is no bead to seat?

ase2dais · 11-28-2005, 07:05 AM

looks like an oversize Brillo Pad, Cant wait to hear what Armour-All has to say about this.

That will be an awesome, eggbeater during a snow storm. That tire will never fly, not in your lifetime.

ACZakka325i · 11-29-2005, 08:22 PM

Quote:

Originally Posted by Pretender

and it's ridiculously ugly. No way that I put these on my 330.

its sidewalls are cut off to see the technology

but after reviewing the link im not positive. i think it would be asthetically pleasing to put some side walls on there!

Ghunger · 11-30-2005, 12:04 AM

If you follow it to the michelin site it has even more info. It sounds like with the "rubberbands" going across the tire they can design for the lateral loads and the vertical loads seperately and make the car incredibly stiff laterally yet soft vertically. Seems to me these wheels have tremendous potential. Getting people to accept them, much like RFT now, could be a challenge though. (looks around at all the RFT haters

)

ase2dais · 11-30-2005, 08:02 AM

there we go RFT fans, you want it ! you got it ! Lets see that in 18" or 19" staggered setup on you BBS or most admired wheels pls, cruising down Maint St. on a warm Summer Saturday night.

I wonder how the hot babes reacts to it, even with your Ferraris, Porsches, Aston Martins, Jags, Benz, Bmrs, Maybachs, they'll go "hmmm", huh?,

.

ward · 11-30-2005, 09:50 AM

seems to me like it'd flex like those underinflated drag race tires where the sidewall wrinkles as you take off

I don't mind the look though

F32Fleet · 11-30-2005, 10:55 AM

I'd guess the technology works better on lower profile tires since the distance between the wheel and tire is smaller thereby offering less flex.

lxapilot118 · 11-30-2005, 01:33 PM

It was in Popular Mechanics recently...it's a one piece wheel, which is why there's no bead I guess.

poldim · 11-30-2005, 01:37 PM

They have been working on this for a while.

The idea is that they can vary the thickness of the "ribs" to control the stiffness of the ride. The down side to this is it lacks what current tires have in terms of sidewall flex.

scottz5 · 11-30-2005, 01:42 PM

they make inserts sort of like this for dirt bike tires many pro motocross racers use them. I think they are a few hundred each and no flats

ase2dais · 11-30-2005, 02:30 PM

Quote:

Originally Posted by MarkE90M3

very cool technology, can't wait for it to eventually roll out into production

article says quote

"The Tweel has been tested on the IBOT robotic wheelchair and military vehicles. But you won’t see it on your Honda anytime soon. Michelin says it is still too noisy for automotive applications."

just as when we thought it would be the end to all this RFT debacle.

... but no flats, hmmm

... just cover up the side walls and take some of the noise out, and give me four pls!
No! No! just four main tires, no spares pls.

11-26-2005, 09:16 AM	#1
espo Captain 12 Rep 715 Posts Drives: 2014 M235i Join Date: Sep 2005 Location: Sugar Land TX iTrader: (0)	This should end the Run-flat debate! Thought you may find this interesting, It's a new "tire" being developed that will never go flat, because it has no AIR!!! http://www.time.com/time/business/ar...129516,00.html Attached Images __________________ E46 325xi Oxford Green/Sand Leatherette/Myrtle Wood Auto ZCW - Retired E90 330xi Mystic Blue/Black Leather/Aluminum 6sp Manual ZSP/ZPP/ZCW/CA - Retired F22 M235i Mineral Gray/Red Leather/Aluminum 6sp Manual ZPP/ZTP
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11-26-2005, 09:43 AM	#2
kingston_e90 New Member 0 Rep 13 Posts Drives: Tit, Black, Wood Join Date: Nov 2005 Location: Kingston, ON Canada iTrader: (0)	Looks like it might Run-flat on one side
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11-26-2005, 09:43 AM	#3
Mark Administrator 6731 Rep 4,201 Posts Drives: 1M Join Date: Mar 2005 Location: USA iTrader: (1) Garage List 2011 BMW 1 Series M ... [8.34]	very cool technology, can't wait for it to eventually roll out into production __________________ BMW 1M. BMW M2. BMW M2.
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11-27-2005, 11:59 PM	#6
Pretender Colonel 150 Rep 2,419 Posts Drives: 06 330i, 07 328i, 16 X1, >17M2 Join Date: Aug 2005 Location: Bay Area, CA iTrader: (1) Garage List 06 330i [0.00]	who cares about the weight. I can't even use all my 255 hp. If they want to save weight, they should start developing good rubber or plastic materials for the car instead of metals now...hehe
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11-28-2005, 01:00 AM	#7
visor BMW, can I have some LSD please? 88 Rep 1,591 Posts Drives: 2017 F30 340i xDrive Join Date: Jun 2005 Location: Vancouver, Canada iTrader: (0)	Ahhh, but losing unsprung weight does wonders for the acceleration and handling... __________________ 2006 330i \| TiAg \| Black \| Al \| 6MT \| Sports Package \| Logic 7 retired 2008 335i \| AW \| Black \| Al \| 6MT \| Sports Package \| Logic 7 retired 2013 328xi \| Red \| Gray \| Al \| 8AT \| Sports Line \| Premium \| Executive \| Heat Pkg retired 2017 340i xDrive \| Estoril \| Black \| Al \| 8AT \| M Package
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11-28-2005, 02:16 AM	#8
nimo Private First Class 9 Rep 144 Posts Drives: E90, F30 Join Date: Jul 2005 Location: Honolulu iTrader: (0)	Those rubber bands should decrease cornering performance due to the lack of sidewall flex. One could imagine the ride on one of those tires. How do they attach the tire on the wheel since there is no bead to seat?
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11-28-2005, 07:05 AM	#9
ase2dais //Mdicted 347 Rep 9,988 Posts Drives: a Cop Magnet Join Date: Sep 2005 Location: 495 Ring iTrader: (18) Garage List 2009 e92 M3 DCT CF ... [10.00] 2015 S-Works Roubaix [0.00] 2013 Trek Madone 5.9 [9.50] 2012 Scott - CR1-Pro [10.00] 2008 e92 M3 6MT (Up ... [10.00] 2002 e46 M3 Cabriol ... [7.00] 2006 e90-325i (DD) [7.00] 2002 e39 M5 (retired) [9.50]	looks like an oversize Brillo Pad, Cant wait to hear what Armour-All has to say about this. That will be an awesome, eggbeater during a snow storm. That tire will never fly, not in your lifetime. __________________ Oo\(lll)'(lll)/oO : 2009-e92 ///M3 SpaceGry DCT CF Rf/Trim ZTP ZPP ZCW Sat/PrmSd : \_lOOl___lOOl_/<< Clickies
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11-30-2005, 12:04 AM	#11
Ghunger Major 52 Rep 1,024 Posts Drives: 330i Join Date: Sep 2005 Location: Seattle, WA iTrader: (0)	If you follow it to the michelin site it has even more info. It sounds like with the "rubberbands" going across the tire they can design for the lateral loads and the vertical loads seperately and make the car incredibly stiff laterally yet soft vertically. Seems to me these wheels have tremendous potential. Getting people to accept them, much like RFT now, could be a challenge though. (looks around at all the RFT haters )
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11-30-2005, 08:02 AM	#12
ase2dais //Mdicted 347 Rep 9,988 Posts Drives: a Cop Magnet Join Date: Sep 2005 Location: 495 Ring iTrader: (18) Garage List 2009 e92 M3 DCT CF ... [10.00] 2015 S-Works Roubaix [0.00] 2013 Trek Madone 5.9 [9.50] 2012 Scott - CR1-Pro [10.00] 2008 e92 M3 6MT (Up ... [10.00] 2002 e46 M3 Cabriol ... [7.00] 2006 e90-325i (DD) [7.00] 2002 e39 M5 (retired) [9.50]	there we go RFT fans, you want it ! you got it ! Lets see that in 18" or 19" staggered setup on you BBS or most admired wheels pls, cruising down Maint St. on a warm Summer Saturday night. I wonder how the hot babes reacts to it, even with your Ferraris, Porsches, Aston Martins, Jags, Benz, Bmrs, Maybachs, they'll go "hmmm", huh?, . Attached Images
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11-30-2005, 09:50 AM	#13
ward Major General 155 Rep 6,158 Posts Drives: F Join Date: May 2005 Location: T iTrader: (0)	seems to me like it'd flex like those underinflated drag race tires where the sidewall wrinkles as you take off I don't mind the look though
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11-30-2005, 10:55 AM	#14
F32Fleet Lieutenant General 3575 Rep 10,355 Posts Drives: 2015 435i Join Date: May 2005 Location: Southeastern US iTrader: (0)	I'd guess the technology works better on lower profile tires since the distance between the wheel and tire is smaller thereby offering less flex.
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11-30-2005, 01:33 PM	#15
lxapilot118 Second Lieutenant 12 Rep 218 Posts Drives: 330i + SC Mustang Join Date: Aug 2005 Location: MS iTrader: (0)	It was in Popular Mechanics recently...it's a one piece wheel, which is why there's no bead I guess. __________________ TiAg E90 330i 6-Speed, Silver w/gray/burl, sports package, premium package, nav, heated seats, sunshades, comfort access, satellite radio, PDC, Mattig Eyelids:rocks:
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11-30-2005, 01:37 PM	#16
poldim Vroom Vrrooooom 300 Rep 3,146 Posts Drives: 330i Join Date: Oct 2005 Location: Bay Area, CA iTrader: (2) Garage List 2006 330i Sedan [0.00] 2003 GSX-R 600 [0.00]	They have been working on this for a while. The idea is that they can vary the thickness of the "ribs" to control the stiffness of the ride. The down side to this is it lacks what current tires have in terms of sidewall flex. __________________ -Dmitriy 06' BMW 330i & 03' Suzuki GSX-R600 SG \| Beige Dakota \| Poplar \|\| iDrive w/MP3 \| PP \| SP \| CWP \| PDC \| Comfort \| Shades \|\| 40% Tint \| Black Line Tail Lights \| Hardwired V1
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11-30-2005, 01:42 PM	#17
scottz5 Lieutenant Colonel 94 Rep 1,730 Posts Drives: 13 F10 535xi & 11.75 E93 M3 Join Date: May 2005 Location: Earth iTrader: (0)	they make inserts sort of like this for dirt bike tires many pro motocross racers use them. I think they are a few hundred each and no flats __________________ 13 F10 535xi JB/B working on it 11.75 E93 M3 MR/Black Stock (wifey) 11 F10 535i AW/CB Mods Gone
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