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- Path: sparky!uunet!ogicse!uwm.edu!cs.utexas.edu!asuvax!ennews!gtephx!rakoczynskij
- From: rakoczynskij@gtephx.UUCP (Jurek Rakoczynski)
- Newsgroups: rec.autos.tech
- Subject: Re: 195/50/15 vs. 205/50/15
- Message-ID: <1992Aug19.195822.22485@gtephx.UUCP>
- Date: 19 Aug 92 19:58:22 GMT
- Article-I.D.: gtephx.1992Aug19.195822.22485
- References: <fragante.713559778@unixg.ubc.ca> <53110021@hpsgm2.sgp.hp.com> <1992Aug17.035216.28664@nezsdc.icl.co.nz>
- Organization: AG Communication Systems, Phoenix, Arizona
- Lines: 31
-
- In article <1992Aug17.035216.28664@nezsdc.icl.co.nz>, derek@nezsdc.icl.co.nz (Derek Tearne) writes:
- > In article <1992Aug14.103223.2686@kth.se> love@stacken.kth.se (Love Feuer) writes:
- > >I spoke to an friend of fmine, who used to do development for Pirelli
- > >in the seventies, about low-profile tyres.
- > >
- > >He warned me about increased stress on the wheel-bearings if you change to
- > >205's. Since the wheels stick out further from the car any force
- > >on the outer end of the wheel will have a much higher impact on the bearings
- > >than it would have if you drove around with thinner wheels.
- > >
- > >Nobody else have repeated this warning though, so I don't know how serious
- > >it is. One should be able to calculate the difference in stress on the bearings
- > >given all the data about the bearings and tyres.
- >
- > I have heard this warning related to Landrovers and other off road vehicles.
- > People who fit them with wide tyres are putting extra stress on the wheel
- > bearings etc. This is even more important if the vehicle is to be used off
- > road where there will be greater stresses placed on the wheels.
-
- Wider tires, by themselves, do not effect bearing loads, other than if
- you generate slightly higher cornering g-loads.
-
- The real affect is when you change rim offset. Then you change
- bearing loads. The actual affect and limits of bearing load differs
- for each front end design.
-
- --
- Jurek Rakoczynski, AG Communication Systems, POB 52179, Phoenix, AZ. 85072
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