[python] Re: Bipolar - a double-pivot folding python
- From: "dirk@xxxxxxxxxx" <dirk@xxxxxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Sat, 16 Apr 2011 21:32:40 +0200 (CEST)
Hi Vi,
i was looking a the video and wondered how well your back has contact to the
seat. Ideally, you would want to sit in a sports car seat, that sucks you in, so
i.e. any movement sideways of your back is transferred 1:1 to the back end.
Otherwise, there is a lot of lag between skin and spine...
greetings,
DirkS
Vi Vuong <vi_vuong@xxxxxxxxx> hat am 16. April 2011 um 06:27 geschrieben:
> Second day on the trail went smoother and more pleasant, slowed down on
> gravel,
> and sped up on dirt surface, and no fall. The figure-8 turn on asphalt is
> uploaded, http://www.youtube.com/watch?v=C_DKORuKIIg. ; Little observable
> movement is consistent with what I felt through my back, but visual
> verification
> is much more convincing. I guess the back is not very good at sensing, just
> one big piece of lazy organ (skin)...
>
> Yes, the seat rest is the "handlebar" for the rear wheel, but my back has not
> learned much control yet. During a turn the body leaned and lifted off the
> seat
> a little allowing the rear wheel more freedom to follow the front wheel along
> the turning circumference. The more observable seat/wheel rotations occurred
> somewhat sudden when I pushed harder on the pedal to force more front wheel
> rotation. It would be nice to learn how to straighten out the bike, rather
> than
> just leaning still. Also, the seat is not as comfortable as my regular
> contour
> seat, so there is room to improve here for longer ride...
>
> Cheers,
>
> Vi
>
>
>
> ________________________________
> From: Jürgen Mages <jmages@xxxxxx>
> To: python@xxxxxxxxxxxxx
> Sent: Fri, April 15, 2011 3:01:08 AM
> Subject: [python] Re: Bipolar - a double-pivot folding python
>
> I would like to see a video of Vi making 8-turns with the Bipolar. Then we
> could
> check out the rear movements.
>
> Groetjes,
> Jürgen.
>
>
> On 15.04.2011 11:48, Dirk Bonné wrote:
> > 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
>
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