RE: [ST] Cars v Bikes

["Spell Man" <spellmn@xxxxxxxxxxx>]

I said the bike braked faster so I'm still screwed.  Doomed to the 95% score 
for the rest of my riding days..... :(


>From: "Mike Bostock" <sprint-st@xxxxxxxxxxxxxx>
>Reply-To: ST@xxxxxxxxxxxxxx
>To: ST@xxxxxxxxxxxxxx
>Subject: RE: [ST] Cars v Bikes
>Date: Thu, 12 Feb 2004 09:38:51 +0000
>
>In your message regarding RE: [ST] Cars v Bikes dated Wed, 11 Feb
>2004 17:25:34 +0000, Spell Man said that ...
>
> >SM- Just my $.02, the one question I got wrong on my CT motorcycle 
>written exam
> >SM- all those years ago:
> >SM-
> >SM- Which will stop in a shorter distance?
> >SM- A: A car going 30mph
> >SM- B: A motorcycle going 30mph
> >SM- C: Neither
> >SM-
> >SM- I answered, the actual answer was C.  Supposedly there is no breaking
> >SM- advantage.  It you wanted to look into the physics of the thing, 
>bikes have
> >SM- less mass on the ground and less weight behind the mass, thus less 
>friction,
> >SM- thus less stopping power.... I suppose.  What do I know, I got the 
>darn
> >SM- question wrong!
>
>The answer is not the same now.
>
>This was sent to me by a Brit Police Class I rider.
>
><Quote>
>An interesting bit of information on a braking test for motorcycles
>run
>under the official supervision of the Belgian Federal Police.
>
>The results in braking on a dry concrete route were:
>
>Type of vehicle braking from 120kmph 90km 50km
>Toyota Avensis 52m 28m 8m
>Honda Fireblade 64m 35m 8.5m
>BMW R1150RS with ABS 55m 31.5m 8.5m
>GB Highway Code 110m 64.5m 14m
>
>Results of braking on wet bitumen
>Type of vehicle braking from
>120kph 90kph 50kph
>Toyota Avensis 46m 25m 7.5m
>Honda Fireblade 49.6m 25m 6.6m
>BMW R1150 RS with ABS 45.5m 28.5m 9.2m
>
>These results were obtained by expert motorcyclists with machines and
>tyres
>in perfect condition!
>Alain watched the tests taking place on the military airbase of
>Koksijde.
>The Honda Fireblade ( ridden by motorcycle racer Louis Wuyts) had no
>ABS. On
>the other hand, the Toyota Avensis car is equiped with ABS.
>One of the interesting results of the test was that, on wet bitumen,
>all
>vehicles stopped faster than on the dry concrete surface!
>
>Alain points out that the test revealed that the car almost always
>braked
>faster than the bikes, even though the bikes were in perfect
>condition.
>The car with ABS even brakes faster than the Fireblade!
>
>Alain says that maybe this is a sign that the new braking system of
>cars
>have improved a lot. He says there are a few conclusions from this
>that we
>can all take on board.
>
>1. The car brakes faster. Do not tailgate on your motorcycle!
>
>2. Sometimes you can brake faster on wet bitumen than on a dry
>concrete
>surface.
>Makes you think don't it?
>
></Quote>
>
>
>--
>Mike Bostock
>mike@xxxxxxxxxxxxxx
>Mid Devon, UK
>N50.79155 W3.66646
>Wales and SW ST Riders
>http://www.sprint-st.org/
>
>'99 Red ST
>
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