[python] Re: Bipolar - a double-pivot folding python

  • From: Dirk Bonné <dirk.bonne@xxxxxxx>
  • To: python@xxxxxxxxxxxxx
  • Date: Fri, 15 Apr 2011 11:48:51 +0200

Hi DirkS,

look closely at the video. The seat is in fact connected to the rear part. It turns together with the rear part. The more I look at the bike the more I like the bike, it is really devious! ;-)  I would like to try it myself, but I am a slow builder.

DirkB

On 15.04.2011 08:13, dirk@xxxxxxxxxx wrote:

hi Vi,

 

thanks for the pictures!

just a thought: the seat is connected to the middel section, so it in control of your back. The front is as usual controlled by your feet. But who or what is looking of the rear wheel?

Would it be possible, to connect the seat to the rear and have your feet on the front? That way, you're still in control of the wheels and the middle section has to follow either side.

Just some thoughts from the other end of the ocean :-)

 

greetings,

DirkS

 

Vi Vuong <vi_vuong@xxxxxxxxx> hat am 15. April 2011 um 06:28 geschrieben:

> completed a 5-mile trail loop today, and fell several times on the gravel
> section of the trail, going a little too fast ~10mph. The BMX tires probably
> played a part. Mountain bike tires should help, elbow pads and old jeans also.
> However, slowing down is probably the more sensible thing to do...  Dirt surface
> was fine, and so was asphalt. Otherwise, the 20" wheels are more stable and
> efficient than 16" Mini Python and 10" μPython.
>
> Unfolded and crashed pictures are uploaded.  Didn't think that it would flip
> upside down; looks bad...
>
> Vi
>
>
>
> ________________________________
> From: Jürgen Mages <jmages@xxxxxx>
> To: python@xxxxxxxxxxxxx
> Sent: Thu, April 14, 2011 12:12:55 AM
> Subject: [python] Re: Bipolar - a double-pivot folding python
>
> Great! A picture of the unfolded bike would be good too ...
>
> Thanks,
> Jürgen.
>
> On 14.04.2011 05:16, Vi Vuong wrote:
> > Hi Jürgen,
> >
> > Wiki page for the bike is up, http://en.openbike.org/wiki/Bipolar.  Thanks for
> >the complement.  Fitting the bike in the boot is a necessity when my backseat
> >are occupied by passengers...
> >
> > Vi
> >
> >
> >
> > ________________________________
> > From: Jürgen Mages <jmages@xxxxxx>
> > To: python@xxxxxxxxxxxxx
> > Sent: Mon, April 11, 2011 11:29:27 PM
> > Subject: [python] Re: Bipolar - a double-pivot folding python
> >
> > Hi Vi,
> >
> > I think, that is a really smart idea: complete foldability without any locking
> >mechanism. Looking forward to your further testing reports. I would not have
> >thought that it is rideable. That design deserves its own wiki page.
> >
> > Cheers,
> > Jürgen.
> > ============================================================
> >
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http://dirk.steuwer.de


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