Chris,
You are correct about tread width; wider does have
more rolling resistance.
But I was only talking of the aspect, or tyre wall
height, not the width. I made no mention of the
tyre width.
Guy
-----Original Message-----
From: Chris King [mailto:cbking@alum.rpi.edu]
Sent: 10 January 2008 11:43
To: guy.weller@tiscali.co.uk
Cc: spritenut@comcast.net;
spridgets@autox.team.net
Subject: Re: [Spridgets] No real difference in
tires
Greater rolling resistance? I thought a skinny
tire, with a small aspect ratio, would have less
rolling resistance.
Why would this be an incorrect thought?
Agree with you on cornering and poor handling of
80 series tires.
All other things being equal, skinnier tires are
better in snow as well, as they tent to track
straighter and not slip sideways as much. Just
look at the width of the tires on WRC cars in the
snow stages.
-=Chris
Chris King
http://home.comcast.net/~kvcbk/
<-----Original Message----->
From: Guy Weller [guy.weller@tiscali.co.uk]
Sent: 1/10/2008 6:11:19 AM
To: spritenut@comcast.net;spridgets@autox.team.net
Subject: Re: [Spridgets] No real difference in
tires
Another angle on this is that the taller sidewall
tyres - that is the 80
aspect ration tyres - will deform more on
cornering and will also
generally have a greater rolling resistance. This
reduces acceleration,
increases fuel consumption and gives poorer
handling on twisty roads.
Generally all bad points. They do, however give a
slightly softer ride.
Guy
-----Original Message-----
From:
spridgets-bounces+guy.weller=tiscali.co.uk@autox.t
eam.net
[mailto:spridgets-bounces+guy.weller=tiscali.co.uk
@autox.team.net]On Behalf
Of Frank Clarici
Sent: 10 January 2008 03:16
To: Spridgets
Subject: [Spridgets] No real difference in tires
Specification Sidewall Radius Diameter
Circumference Revs/Mile
155/80-13 4.9in 11.4in 22.8in 71.5in 886
175/70-13 4.8in 11.3in 22.6in 71.1in 891
This is from a chart/calculator a lister sent me
to check tire sizes.
Seems to me the 175/70s are a tad thinner and
shorter than 155s.
But I do have 175s on the 58 and they sure look
wider than 155s.
http://www.miata.net/cgi-bin/tirescgi
--
Frank Clarici
Toms River, NJ
You are subscribed as guy.weller@tiscali.co.uk
http://www.team.net/archive
http://autox.team.net/mailman/listinfo/spridgets
No virus found in this incoming message.
Version: 7.5.516 / Virus Database:
269.17.13/1214 - Release Date: 08/01/2008
13:38
Version: 7.5.516 / Virus Database: 269.19.0/1216 -
Release Date: 09/01/2008
10:16
Version: 7.5.516 / Virus Database: 269.19.0/1216 -
Release Date: 09/01/2008 10:16
_______________________________________________
Support Team.Net http://www.team.net/donate.html
http://www.team.net/archive
http://autox.team.net/mailman/listinfo/spridgets
|