The Electric Car
in [Design]
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From: Eeyore on 3 Aug 2007 09:16 MooseFET wrote: > Eeyore wrote: > > > > Exactly why do you think car's *aren't* fitted with skinny tyres ? > > Because people will buy them. So why don't F1 cars have skinny tyres ? Graham
From: MooseFET on 3 Aug 2007 10:48 On Aug 3, 6:16 am, Eeyore <rabbitsfriendsandrelati...(a)hotmail.com> wrote: > MooseFET wrote: > > Eeyore wrote: > > > > Exactly why do you think car's *aren't* fitted with skinny tyres ? > > > Because people will buy them. > > So why don't F1 cars have skinny tyres ? They use very sticky tires, their tires get a lot of heating and they make a lot of horse power per pound. All of these can cause the rubber to break up. No sane persons tires will see those conditions on the public roads.
From: MooseFET on 3 Aug 2007 10:48 On Aug 3, 6:06 am, Eeyore <rabbitsfriendsandrelati...(a)hotmail.com> wrote: > MooseFET wrote: > > Eeyore wrote: > > > MooseFET wrote: > > > > Eeyore wrote: > > > > > MooseFET wrote: > > > > > > Eeyore wrote: > > > > > > > > The current hybrids also use skinny tyres to reduce rolling resistance. I hate to think > > > > > > > of the adverse effect on road holding. > > > > > > > There is basically no difference in the traction. Wide tires look > > > > > > cool but below a certain amount of force per unit area of rubber give > > > > > > no traction advantage. The traction loss in thing tires is because > > > > > > the force on the surface is high enough to rip bits of the rubber or > > > > > > the road loose. They modern materials in the tires are less subject > > > > > > to this problem. The cars we are talking about are quite light too. > > > > > > I'm not talking about traction, I'm talking about road holding / handling. I know American roads don't have > > > corners > > > (or at least from the way US cars drive you'd think that was the case) but we do here. > > > > > "Road holding" is the ability to "stay on the road" or "at the place > > > > on the road the driver wishes". If the tires are providing the needed > > > > traction and are stiff enough they have done their part of the job. > > > > Anything else is a suspension issue. > > > > > The thin tires work just fine. They may not look cool but they don't > > > > cause any problems. > > > > So why don't all cars run on thin tyres then ? > > > They can sell you the wide ones for extra money. > > I find that idea strangely unconvincing. That fake hood scoop doesn't make your car faster either.
From: Eeyore on 3 Aug 2007 11:02 MooseFET wrote: > Eeyore wrote: > > MooseFET wrote: > > > Eeyore wrote: > > > > > > Exactly why do you think car's *aren't* fitted with skinny tyres ? > > > > > Because people will buy them. > > > > So why don't F1 cars have skinny tyres ? > > They use very sticky tires, their tires get a lot of heating and they > make a lot of horse power per pound. All of these can cause the > rubber to break up. No sane persons tires will see those conditions > on the public roads. So why don't F1 cars have skinny tyres ? Graham
From: Eeyore on 3 Aug 2007 11:12
MooseFET wrote: > That fake hood scoop doesn't make your car faster either. There are no fake scoops on my car. Graham |