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Tire recommedations needed



 
 
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  #41  
Old March 26th 09, 09:24 PM posted to rec.bicycles.tech
Chalo
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Posts: 5,093
Default Tire recommedations needed

landotter wrote:

Nick L Plate wrote:

landotter wrote:

Nick L Plate wrote:


It may take quite a while
before the centre of *a patterned racing type tread is worn in the
centre, still providing the grippy patterned tread towards the edges
for cornering.

Bull**** alert. Tread on the road does zero to improve grip.


So point to some tests to prove that the unpatterned tread is superior
to a racing tread in cornering grip for wet/algae conditions.
Stop bull****ting! *Road surfaces vary, only the patterned tread can
cope with these variations. *


Bull**** alert Pt. II.

Unless you know of a road which is made of Formica or porcelain,
you're talking out your ass.


Despite the fact that tread on road tires is almost entirely
counterproductive, there are a few rare instances when one can notice
a difference. These are times when a comparatively smooth surface is
lubricated with a complementary liquid. Glossy polished stone, for
instance, can be effectively lubricated with clean water. Steel
plates and rails can be effectively lubricated with dirty water.
Smooth asphalt can be lubricated by silty runoff, and even sanded
concrete or pebbly asphalt can be lubricated by algal slime.

A heavily siped or compact block tread can still slip in the
aforementioned conditions, but it must be pushed harder than a true
slick. I believe this as due to a squeegee-like action at the leading
edges in the tread.

Choosing a tire based on uncommon surface conditions that are better
to avoid entirely may be a mistake for most of us, but it is something
to consider if you live and ride in a slime-covered hell. In that
case, it's also a good idea to be conscious of the differences between
tread compounds (which most of us needn't worry about except for wear
resistance).

I can hear and feel the small amount of sideslip that characterizes a
treaded street tire in comparison to a slick one. I prefer not to
have thin, easily punctured spots in the tread rubber, which is an
intrinsic characteristic of siped and treaded tires. And I find it
frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't. These are the reasons I use slicks when they are
available for my application. But I acknowledge that under certain
marginal and unpleasant street surface conditions, even a small and
useless-looking amount of tread can help a little bit to maintain
traction.

Chalo
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  #42  
Old March 26th 09, 10:41 PM posted to rec.bicycles.tech
Nick L Plate
external usenet poster
 
Posts: 1,114
Default Tire recommedations needed

On 26 Mar, 20:33, landotter wrote:
On Mar 26, 2:12*pm, Nick L Plate wrote:



On 26 Mar, 18:39, landotter wrote:


On Mar 26, 1:07*pm, Nick L Plate wrote:


On 25 Mar, 17:57, Phil W Lee phil(at)lee-family(dot)me(dot)uk wrote:


Nick L Plate considered Tue, 24 Mar 2009
23:05:55 -0700 (PDT) the perfect time to write:


On 23 Mar, 20:53, John Forrest Tomlinson
wrote:
On Mon, 23 Mar 2009 13:25:05 -0700 (PDT), Nick L Plate


wrote:
Tubular racing tyres are still patterned, *explain.


Some are and some aren't.


So thin treaded tyres have no pattern because there is no depth of
rubber,


No, they have no pattern because it works better.


* * * * *that is why un patterned tread generally have lower rolling
resistance on a steel roller, there is less rubber, *therefore less
milage on the road.


No, the extra resistance on a patterned tread comes mostly from the
tread blocks moving around under load.
This (among other things) causes them to wear faster, because they
absorb more energy.
The pattern picks up debris more than slick rubber, so without
reinforcement, you get more punctures.


The contact patch of a bicycle tyre is small enough that it IS the
tread pattern.


Racing tyres do not have tread blocks. *Those tyres that have "blocks"
do not quickly wear out the pattern. *A thicker tread will almost
always absorb more energy. *That is the trade off with a long tread
life. *A racing tyre tread does not have vertical cuts in the tread,
the pattern is at 45deg to the surface. *It may take quite a while
before the centre of *a patterned racing type tread is worn in the
centre, still providing the grippy patterned tread towards the edges
for cornering.


Bull**** alert. Tread on the road does zero to improve grip.


So point to some tests to prove that the unpatterned tread is superior
to a racing tread in cornering grip for wet/algae conditions.
Stop bull****ting! *Road surfaces vary, only the patterned tread can
cope with these variations. *


Bull**** alert Pt. II.

Unless you know of a road which is made of Formica or porcelain,
you're talking out your ass.


I trust you have no evidence to contradict that the best patterned
tyre outperforms a slick tyre in wet slippy conditions.

TJ
  #43  
Old March 26th 09, 10:59 PM posted to rec.bicycles.tech
Nick L Plate
external usenet poster
 
Posts: 1,114
Default Tire recommedations needed

On 26 Mar, 21:24, Chalo wrote:
landotter wrote:

Nick L Plate wrote:


landotter wrote:


Nick L Plate wrote:


It may take quite a while
before the centre of *a patterned racing type tread is worn in the
centre, still providing the grippy patterned tread towards the edges
for cornering.


Bull**** alert. Tread on the road does zero to improve grip.


So point to some tests to prove that the unpatterned tread is superior
to a racing tread in cornering grip for wet/algae conditions.
Stop bull****ting! *Road surfaces vary, only the patterned tread can
cope with these variations. *


Bull**** alert Pt. II.


Unless you know of a road which is made of Formica or porcelain,
you're talking out your ass.


Despite the fact that tread on road tires is almost entirely
counterproductive, there are a few rare instances when one can notice
a difference. *These are times when a comparatively smooth surface is
lubricated with a complementary liquid. *Glossy polished stone, for
instance, can be effectively lubricated with clean water. *Steel
plates and rails can be effectively lubricated with dirty water.
Smooth asphalt can be lubricated by silty runoff, and even sanded
concrete or pebbly asphalt can be lubricated by algal slime.

A heavily siped or compact block tread can still slip in the
aforementioned conditions, but it must be pushed harder than a true
slick. *I believe this as due to a squeegee-like action at the leading
edges in the tread.

Choosing a tire based on uncommon surface conditions that are better
to avoid entirely may be a mistake for most of us, but it is something
to consider if you live and ride in a slime-covered hell. *In that
case, it's also a good idea to be conscious of the differences between
tread compounds (which most of us needn't worry about except for wear
resistance).

I can hear and feel the small amount of sideslip that characterizes a
treaded street tire in comparison to a slick one. *I prefer not to
have thin, easily punctured spots in the tread rubber, which is an
intrinsic characteristic of siped and treaded tires. *And I find it
frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't. *These are the reasons I use slicks when they are
available for my application. *But I acknowledge that under certain
marginal and unpleasant street surface conditions, even a small and
useless-looking amount of tread can help a little bit to maintain
traction.



Just a few places I have fallen or experienced a lack of adhesion due
to a lack of tread when wet.

Roundabouts - diesel/oil deposits
Brickworks - clay
Tramlines - polished steel
Railway level crossings - polished steel
Cattle grid - polished steel
Fords - algae
Manholes and drainage grids - polished iron
Car repair shop - diesel/oil
Cobbles - round 4-5" stones
Setts - flat polished granite

Manholes and drainage grids usually end up with a dressing so are not
so much of a problem. All the other hazards remain. I also enjoy the
opportunity to go off-road because I can. An unpatterned tyre will
take away that last moment decision to have a bit of fun on an
otherwise mundane journey.

TJ
  #44  
Old March 28th 09, 06:41 PM posted to rec.bicycles.tech
WhiteTea
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Posts: 21
Default Tire recommedations needed



Chalo wrote:
And I find it
frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't.


You may want to install a thing called a fender.

Eliminates those really cool "mud stripes" on your shirt as well. :-)

Andy

  #45  
Old March 29th 09, 12:01 AM posted to rec.bicycles.tech
Nick L Plate
external usenet poster
 
Posts: 1,114
Default Tire recommedations needed

On 28 Mar, 18:41, WhiteTea wrote:
Chalo wrote:

* And I find it

frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't.


You may want to install a thing called a fender.

Eliminates those really cool "mud stripes" on your shirt as well. :-)


A mudguard. Which of course reminds me, those that use non-patterned
tyres, tend also not to use mudguards so tend not to ride in the
rain. They therefore do not have the experience of how to cope with
bad weather and are not the people to ask.

TJ
  #46  
Old March 30th 09, 03:56 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 2,041
Default Tire recommedations needed

On Mar 28, 1:41*pm, WhiteTea wrote:
Chalo wrote:

* And I find it

frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't.


You may want to install a thing called a fender.

Eliminates those really cool "mud stripes" on your shirt as well. :-)

Andy


Poor editing on your part. This is what Chalo wrote:

"I prefer not to have thin, easily punctured spots in the tread
rubber, which is an
intrinsic characteristic of siped and treaded tires. And I find it
frustrating that treaded tires pick up little rocks and bits of
debris
that slicks don't."

He is referring to the rocks and debris that gets stuck into the sipes
and treads of treaded tires and therefore causes them to puncture more
often than slicks. Slicks have no weak thin spots between the tread
for the rocks and debris to stick and puncture. He is not referring
to the tires throwing the rocks and debris onto his legs as he rides.
Which a fender would prevent.
  #47  
Old March 30th 09, 07:40 PM posted to rec.bicycles.tech
Chalo
external usenet poster
 
Posts: 5,093
Default Tire recommedations needed

russellseaton wrote:

WhiteTea wrote:

Chalo wrote:

And I find it
frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't.


You may want to install a thing called a fender.

Eliminates those really cool "mud stripes" on your shirt as well. :-)


He is referring to the rocks and debris that gets stuck into the sipes
and treads of treaded tires and therefore causes them to puncture more
often than slicks. *Slicks have no weak thin spots between the tread
for the rocks and debris to stick and puncture. *He is not referring
to the tires throwing the rocks and debris onto his legs as he rides.
Which a fender would prevent.


Maybe he's suggesting that I should have fenders so I can't see the
junk getting fetched up in the tread, therefore it won't bother
me. :^)

Chalo
  #48  
Old March 31st 09, 07:39 AM posted to rec.bicycles.tech
Nick L Plate
external usenet poster
 
Posts: 1,114
Default Tire recommedations needed

On 30 Mar, 19:40, Chalo wrote:
russellseaton wrote:

WhiteTea wrote:


Chalo wrote:


And I find it
frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't.


You may want to install a thing called a fender.


Eliminates those really cool "mud stripes" on your shirt as well. :-)


He is referring to the rocks and debris that gets stuck into the sipes
and treads of treaded tires and therefore causes them to puncture more
often than slicks. *Slicks have no weak thin spots between the tread
for the rocks and debris to stick and puncture. *He is not referring
to the tires throwing the rocks and debris onto his legs as he rides.
Which a fender would prevent.


Maybe he's suggesting that I should have fenders so I can't see the
junk getting fetched up in the tread, therefore it won't bother
me. *:^)


You could fit tyre skimmers to scrape away grit, glass and thorns.

TJ
  #49  
Old April 3rd 09, 05:10 PM posted to rec.bicycles.tech
WhiteTea
external usenet poster
 
Posts: 21
Default Tire recommedations needed

On Mar 28, 7:01*pm, Nick L Plate wrote:
On 28 Mar, 18:41, WhiteTea wrote:

Chalo wrote:


* And I find it


frustrating that treaded tires pick up little rocks and bits of debris
that slicks don't.


You may want to install a thing called a fender.


Eliminates those really cool "mud stripes" on your shirt as well. :-)


A mudguard. *Which of course reminds me, *those that use non-patterned
tyres, tend also not to use mudguards so tend not to ride in the
rain. *They therefore do not have the experience of how to cope with
bad weather and are not the people to ask.

TJ


My comment was half serious, half joking.

I ride for fun.
If I ever get so worried about every little think, I will stop
riding.

Andy
 




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