[python] Re: TT/--/LD

Hello Ghislain and others,

Feel free to add your experiences to the wiki (http://openbike.org)
It is there to document homebrew bike design from and for open minded 
people :-)

Happy riding!
DirkS

Am Donnerstag 24 April 2008 22:48:07 schrieb Ghislain Pillet:
> Hello All ! Hello Jürgen !
>
> About my Python Aluminium for sale, the bottom bracket is  not
> adjustable. Seat can be moved, once for all, not on the fly.
> Requirements differing from the measurments mentioned would lead to
> cutting and rewelding aluminium.
>
> Jürgen, thanks for your invitation, as writing about what I call a TT/
> LD is not the topic of this list.
>
> TT stands for Tom Traylor, from Southern California, who apparently
> filed a patent for a front wheel drive in 1982.(http://
> patft.uspto.gov/netacgi/nph-Parser?Sect2=PTO1&Sect2=HITOFF&p=1&u=%
> 2Fnetahtml%2Fsearch-bool.html&r=1&f=G&l=50&d=PALL&RefSrch=yes&Query=PN
> %2FD277744)
> He still had an internet site some time ago. Can't find it anywhere
> now. Had he an agreement with Cruzebike, or was the patent obsolete ?
> The fact is Cruzebike only, in Southern California, is marketing
> front wheel drive bikes.
> Having no commercial purpose I hav'nt asked to one or the other.
>
> LD stands for Laurent Dechenne, http://les-velos-de-
> laurent.skynetblogs.be/, who resolutely and endlessly keeps cutting,
> grinding, welding steel tubing to make the front wheel drive
> efficient and attractive to the rest of us !  Thanks Laurent and
> congratulations for your latest "Speculoos" !
>
> Jürgen, I've not included your initials in my designation, as
> negative trail makes Python different. Hope you don't mind ! Still
> open, if you want a seat !
>
> So, I'm testing a new TT/--/LD carbon bike. (Carbon vacuumed and
> baked according to resin supplier specifications.) Still plenty to do
> for the cosmetics. Capitalizing on my Python's practice (great time,
> and what fun !), I've radically downsized the handlebar to the
> minimum. And it suits me ok ; as it worked for Tom Traylor. Funny
> thing this picture of him I found on the net.
>
> My goals : light, compact, low.
> 20" wheels.
> Steering pivot angle +-57°, positive trail +-8cm.
> Length from pin to pin : 1,05m
> Mass as it is 11,5kg.
>
> Tested, and shaked, on 600km. Success ! So far holds into pieces !
> Keep my eyes and ears wide open for cracks signs or carbon cries.
> Some, (minor, for me) pedal induced interferences sometimes, but
> Python's practice has learnt me how to neutralize it. At low speed,
> no self alignment effect due to weight, as on Python. Lightness of
> forward part probably helps much to delay wheel flop.
> When does a real handlebar to hold on become a must ? Depends on
> one's own habits.
>
> pictures at  http://picasaweb.google.com/Ghislain.Pillet/
> NewAlbum42408438PM
>
> Cordially,
> Ghislain.
>
> On Apr 23, 2008, at 2:33 PM, Jürgen Mages wrote:
> > Hello Ghislain,
> >
> > you have built a very beautiful bike and I am sure it will find a
> > new owner soon. If I had some extra space I would buy it right now.
> > How about the inseam length of 78 to 88 cm? Is the bottom bracket
> > adjustable?
> >
> > Hope you will inform us about your new carbon bike soon. You
> > already told me that it will be a TT/Speculoos type lowracer which
> > can be ridden no hands. Such a type of MBB-recumbent is surely
> > better suited for the hilly area of South France than the python.
> >
> > Cheers,
> > Jürgen.
> >
> > On 22.04.2008 22:17, Ghislain Pillet wrote:
> >> Hello All !
> >> I'm selling my aluminium python. Interested ? look at
> >> http://www.bentokaz.com/consulter.php?
> >> type_equip=0&type_annonce=Vente&ordre=date_pub&desc=1
> >> Why ? building a new carbon bike !
> >> Cheers
> >
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