[python] Re: Front suspension update
- From: Vi Vuong <vi_vuong@xxxxxxxxx>
- To: "python@xxxxxxxxxxxxx" <python@xxxxxxxxxxxxx>
- Date: Thu, 24 Nov 2011 23:16:30 -0800 (PST)
Hi Patrick,
It seems stiffer, but I have to get on the same dirt trail to see.
http://youtu.be/jY9ddGeVl9w
Vi
>________________________________
> From: Patrick van Gompel <patrick_van_gompel@xxxxxxxxxxx>
>To: python@xxxxxxxxxxxxx
>Sent: Thursday, November 24, 2011 10:16 AM
>Subject: [python] Re: Front suspension update
>
>
>
>Wow, that was a quick modification! Nice use of some old handle bars. And
>glad to see the idea was of some help.
>Do you notice any difference when riding / hitting bumps?
>
>Patrick
>
>
>
>________________________________
>Date: Wed, 23 Nov 2011 20:17:42 -0800
>From: vi_vuong@xxxxxxxxx
>Subject: [python] Re: Front suspension update
>To: python@xxxxxxxxxxxxx
>
>
>Thanks Steffen and Patrick for concerns and ideas. I have added two tubes
>(handle bars) as Patrick suggested, which also strengthens the shock joint. I
>promise not to do any jumping unless in controlled testing (safe). The
>original goal is to see how much front suspension can reduce road disturbance
>to steering, which perhaps can compensate for smaller wheels / tires...
>
>
>Steffen's idea is similar to this full suspension python built in 2008,
>http://www.flickr.com/photos/python_uploads/2827143639, which I wish I saw
>before building mine. This design seems stronger / lighter / more compact.
> Any thoughts?
>
>
>Vi
>
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>>________________________________
>> From: Steffen Risse <big.skangster@xxxxxxxxxxxxxx>
>>To: python@xxxxxxxxxxxxx
>>Sent: Wednesday, November 23, 2011 7:43 AM
>>Subject: [python] Re: Front suspension update
>>
>>
>>Hello Vi,
>>
>>the idea is nice and brings some ideas for me too, but Patrick is absolute
>>right when he says that the system doesn't looks very stable. I'm working
>>with welding every day, and when I saw the point where the frame broke, I
>>didn't wondered about the crack. The frame is relative slim at that point and
>>your weld seems are for sure no beauties. I like all your projects, as they
>>include so many clever ideas, and I don't wanna hear something like "his
>>frame broke in heavy traffic and ...". So there are to ways. 1: built the
>>frame geometries that they meet the load conditions better (long lever = high
>>profile) 2. get better knowledge of welding and clean the parts better before
>>welding (no chrom, no paint). Sorry for theharangue but some of that what I
>>saw scares me.
>>
>>Here 2 ideas from me to your suspension project. Maybe they are better (maybe
>>not)
>>
>>regards,
>>Steffen
>>
>>
>>
>>>>________________________________
>>From: Patrick van Gompel <patrick_van_gompel@xxxxxxxxxxx>
>>To: python@xxxxxxxxxxxxx
>>Sent: Wednesday, November 23, 2011 5:24 AM
>>Subject: [python] Re: Front suspension update
>>
>>
>>Hey Vi,
>>
>>Front wheel suspension: wow, nice build.
>>Except for the 'front part - pivot' attachment the 'suspension fork to frame
>>tube' seems a little weak too. Why not weld two extra tubes left and right of
>>the front wheel to make a triangle (as in the attached picture). Just an idea
>>to make your ride safer...
>>
>>Happy
cycling,
>>Patrick
>
>
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