Date: Sun, 01 Dec 2002 10:57:42 -0500
From: Four Weis <mweinopsamcom>
Subject: Re: Saab Wheels on Sale at ebay

Zweef wrote: > In article <CFN375877772866435nopsam.CIS.DFN.DE>, says... > > > > On Wed=2C 27 Nov 2002 13=3A30=3A56 -0500 tom reingold =3Ctlr244=40optonline=2Enet=3E wrote=3A > > > > =3E Why are steel rims so undesirable=3F They really aren't that much heavier > > =3E than alloy=2C and they can stand to be bent=2E If you bend an alloy rim=2C > > =3E you can't bend it back into shape=2E I think alloy rims are hyped=2E > > > > I don't believe they are undesirable - in fact=2C for heavy duty applications=2C > > like snow and rough roads=2C they're much better than alloys=2E > > > > However=2C this doesn't change the fact that they are generally significantly > > cheaper than alloys=2E I think this is probably mainly because people prefer the > > way alloys look=2E > > > First, please switch off HTML in your newsprog, it's total horror to > read! > > Steel rims are cheaper because steel is cheaper than alloy, they're much > easier to manufacture and also made in far bigger quantities (basically > every car is delivered with them from stock). > > Funny thing is that they are better in almost every respect (mechanical, > durability etc.) except for weight (just slightly heavier, alloy weighs > less, but needs more material for strength) and looks, although i've seen > some ugly alloy wheels in my lifetime ;-) > -- > Zweef I have heard one advantage of alloy rims - from a track racer. All metal flexes, but alloy rims flex less than steel rims. Now this flexing is probably not much of a problem for road cars, but people who race on tracks drive at speeds up and exceeding 140 mph for long periods of time. When you apply the brakes at these speeds, the heat build up in much higher than when you stop nice and slowly in rush hour traffic. At night, the pit crews see a slow red glow from the rotors, calipers, and pads. The heat and vibration of running at 140 mph will loosen the lug nuts, so you want metal in the rim that does not flex as much and will dissipate as much heat as possible. Alloys do have an advantage over steel besides looks, if you race your Saab on the track. Just a thought, is it remotely possible to run 140 MPH steady on the Autobahn, if yes then here you might want alloys. You would need Z rated tires.

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