[python] Re: Pythonjetrike
- From: Vi Vuong <vi_vuong@xxxxxxxxx>
- To: "python@xxxxxxxxxxxxx" <python@xxxxxxxxxxxxx>
- Date: Tue, 4 Oct 2011 23:02:01 -0700 (PDT)
Here are my observation of bicycle wheel slippage and fall modes, on gravel and
sand
http://www.youtube.com/watch?v=ktfReCRgUOM
http://www.youtube.com/watch?v=nWmgzolU55Q
It seems that FWD makes slippage worse / harder to recover.
Would Tadpole 2WD help? Maybe with tilting locked?
Vi
>________________________________
>From: Patrick van Gompel <patrick_van_gompel@xxxxxxxxxxx>
>To: python@xxxxxxxxxxxxx
>Sent: Sunday, October 2, 2011 9:00 AM
>Subject: [python] Re: Pythonjetrike
>
>
>
>I doubt whether a tilting mechanism is a disadvantage if you compare it with a
>2 wheeled Python. I had the front wheel slip on both the Python and the
>tilting trike. Not sure which one would slip and fall first, but when I did
>fall both events went differently. The Python slid away from me, I put one
>feet on the ground but the bike fell. It hit the pedal and handle bar, then
>the seat. I myself went foot first, then onto my bottom. I wasn't hurt (only a
>few scratches) and the good thing was that the bike seems to go away from the
>rider (like with my recumbent), which is much safer than a conventional
>bicycle (entanglement). On the trike; the front wheel slipped and I put one
>foot on the ground so the bike didn't fell over. Since this was a test, I knew
>it was comming and was one step ahead. Otherwise, I think you are more likely
>to hit bike parts (tires) when you fall than with a Python.
>
>My experience with cycling through the snow is like this: fresh or wet snow is
>ok for most bikes, although not really for a recumbent. Snow that is there for
>a few days and has been driven over makes things quite a bit harder. A
>mountainbike with soft open tires might still do. When things get really nasty
>I always prefer the classic citybike, since there is less pressure on the
>frontwheel compared to a mountainbike and it is easier to put a feet on the
>ground to stay in control and slip through corners ;-)
>
>Patrick
>
>
>
>> Date: Sun, 2 Oct 2011 16:23:11 +0200
>> From: dirk.bonne@xxxxxxx
>> To: python@xxxxxxxxxxxxx
>> Subject: [python] Re: Pythonjetrike
>>
>> Thanks Patrick and George
>>
>> @George: I meant the question more like: is the tilting mechanism a
>> disadvantage (compared to a 2 wheeled python) instead of just "no use"
>> when the road is slippery. Sorry for having asked my question so unclear.
>>
>> Thanks Patrick. If the winter is as hard as has been in the last 2 years
>> then I should build a non-tilting trike solution for my pythoon. I think
>> I could easily make a "2 wheel module" that I put under the box of the
>> pythoon making the wheel base short, and thus allow for a relative
>> narrow trike.
>>
>> Dirk
>>
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