[python] Re: izzy bike
- From: Ole Blente <oblente@xxxxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Fri, 25 Oct 2013 09:19:51 +0200
Vi: Im sure, you are right about the upright position. It is true for all
bikes I think. On my Toxy CR there is a big difference when the seat is
lovered. "Standing" is superior to "lying" when it comes to maneuver and
learning.
"Lying" is superior in speed.
2013/10/25 Vi Vuong <vi_vuong@xxxxxxxxx>
> Hi Tiha,
>
> It seems that upright sitting position and "normal" handlebar help a lot.
> Other negative-trail bikes seem easy to learn also,
> http://www.google.com/search?q=low+rider+bicycle.
>
> Perhaps a more upright python may be easier to learn. Seat angle can be
> lowered with more experience. Not sure if handlebar would help learning
> python, gloves and sticks do. Handlebar on python seems to be good for
> fine control at high speed, beyond what the legs can do...
>
> Vi
>
> ------------------------------
> *From:* Tihamer Juhasz <balamber@xxxxxxxxx>
> *To:* python@xxxxxxxxxxxxx
> *Sent:* Wednesday, October 23, 2013 8:24 AM
> *Subject:* [python] Re: izzy bike
>
> One more detail: I contacted the creator of the Izzy on FB and asked about
> handling. This is what he told me:
>
> The bike is very easy to ride and manoeuvrable but it takes a few minutes
> to get use to it. This is because, just like you've noticed, caused by the
> wire. It's a bit like learing to ride a bike again , once you get the
> hang of it, it's all smooth sailing from there!
>
> End of quote.
>
> Learning to ride the Python definitely takes longer than a few minutes. So
> it would be really interesting to try this ride-by-wire approach on a
> Python.
>
> Tiha
>
>
>
> On Wed, Oct 23, 2013 at 5:25 PM, Steffen Risse <big.skangster@xxxxxxxxx>wrote:
>
> that's what izzy does
>
>
> 2013/10/23 Peter Švančárek <peter.svancarek@xxxxxxxx>
>
> What about using pulleys and rope(cable) anchored to pulleys so they
> wouldn't rely on friction?
>
> Dňa 23. 10. 2013 15:02 Steffen Risse wrote / napísal(a):
>
> Hi Vi [haɪ̯fɪ <http://de.wikipedia.org/wiki/Liste_der_IPA-Zeichen>] ;o),
> but friction isn't a conastant ratio, and the angle the steering bar has
> for a certain steering angle will change every time. maybe the steering bar
> is sometimes allready like full conrering, but you're still going straight.
> The clamped pullies prevent such situations as long as they don't brake.
>
> Steffen
>
>
> 2013/10/23 Vi Vuong <vi_vuong@xxxxxxxxx>
>
>
> Hi Steffen,
>
> Friction steering should be similar to the Izzy's pulley design in a
> sense that input angle is greater output angle due to slippage. However,
> the "ratio" depends on the input force / slippage. It would be cool if speed
> sensitive steering is achievable with python. Will report back after more
> experimentation. Here is the handlebar set up I am using,
> http://en.openbike.org/wiki/FP02
>
> Vi
>
>
>
>
>
>
>
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