The Electric Car
in [Design]
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From: MooseFET on 4 Aug 2007 10:51 On Aug 4, 4:07 am, René <rjz~REMO...(a)xs4all.nl> wrote: > On Fri, 03 Aug 2007 14:16:22 +0100, Eeyore > > <rabbitsfriendsandrelati...(a)hotmail.com> 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 ? > > Ground effect anything to do with that? - more than the weight of the > car itself usually.. Anything that increases the weight on the tire increases the heating at the speeds they are going.
From: Jasen Betts on 4 Aug 2007 22:51 On 2007-08-03, Spehro Pefhany <speffSNIP(a)interlogDOTyou.knowwhat> wrote: > On Fri, 03 Aug 2007 20:55:38 +0200, Ren� <rjz~REMOVE~@xs4all.nl> > wrote: > >>On Fri, 03 Aug 2007 03:32:34 +0100, Eeyore >><rabbitsfriendsandrelations(a)hotmail.com> wrote: >> >>>Flywheels are very impractical energy stores. The gyroscopic forces don't >>>exactly help in vehicle use either. >> >>Counter-rotating flywheels have no net gyroscope effect. > > No matter the distance betwen the flywheels? no matter - as long at their axles are rigidly constrained to point in the exact same direction and the have equal and opposite rotational momentum. Bye. Jasen
From: Jasen Betts on 4 Aug 2007 23:03 On 2007-08-01, Eeyore <rabbitsfriendsandrelations(a)hotmail.com> wrote: > > > "Ren�" wrote: > >> I can imagine e.g. a light 2 stroke diesel, operating in its most >> efficient fixed rpm, driving a generator / accu combo; wheels driven >> by electrics only - may have a better yield. > > I'm pretty convinced that would be much better. And don't run the engine for shorter journeys. > > I'm not sure that 2 strokes will meet emissions limits though. direct injection fan scavenged 2 strokes can be quite clean -- Bye. Jasen
From: Jasen Betts on 4 Aug 2007 22:32 On 2007-08-01, John Larkin <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote: > > People don't buy Prius' to save gas, they buy them to be hip and > stylish. So instead of smog, we have clouds of smug. > South park did a cartoon based on that a while back -- Bye. Jasen
From: Jasen Betts on 4 Aug 2007 23:10
On 2007-08-03, Eeyore <rabbitsfriendsandrelations(a)hotmail.com> wrote: > > Exactly why do you think car's *aren't* fitted with skinny tyres ? so they can give a good ride with mediocre suspension. Bye. Jasen |