[python] Re: Pythonjetrike
- From: George Durbridge <gdurbrid@xxxxxxxxxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Sun, 02 Oct 2011 08:28:43 +1100
Dirk,
Probably no use on ice or snow. The normal production tadpole trike with
no tilt mechanism will generate about 0.5g lateral acceleration before
tipping over. Good tyres on a good surface will generate about 0.9 -
1.0g, so we can corner faster (on a good surface) if we can reduce the
tipping moment with a tilt mechanism. (There are other ways to reduce
the tipping moment: Greenspeed built a racing tadpole with the centre of
gravity very low and well forward and a wide track, which slid sideways
at the limit instead of tipping over, using slick tyres on smooth dry
tarmac.) But if the coefficient of friction of the tyres on ice or slush
is less than 0.5g, even the production trike will slide before it tips,
without a tipping mechanism. You can probably produce the same effect by
fitting supermarket tyres.
George
> winter (whatever the construction of the tilting trike)? If the front
> wheel glides, then I would expect you will fall anyway? Does anybody
> have any experience to share?
>
> Dirk
>
>
> On 20.09.2011 09:09, Jürgen Mages wrote:
> > Could s.o. please tell me what is the advantage of all these tilting
> > constructions over the relatively simple flevotrike Duschar-joint?
> >
> > http://www.karstilo.net/hpv/fahrzeuge/flevo/flevo_230.jpg
> > http://www.karstilo.net/hpv/fahrzeuge/flevo/flevo_231.jpg
> >
> > I have the feeling that all this is kind of over-engineered and only
> > leads to more weight and much more failure/wear problems in daily usage.
> >
> > A friend of mine wants to build a replaceable flevotrike-like rear-end
> > for his python for commuting during the winter season. And like me he
> > prefers the simple solutions. I'll send you some photos, when it is
> > working.
> >
> > Jürgen.
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