[python] Re: python Digest V9 #118
- From: UH-13P <uh13p@xxxxxxxxx>
- To: "python@xxxxxxxxxxxxx" <python@xxxxxxxxxxxxx>
- Date: Wed, 10 Aug 2011 07:38:46 -0700 (PDT)
Why not make the cross bar between the forks a torsion suspension? It could be
either independent or on a center pivot to move both rear wheels in a self
leveling mode. Even simpler would be a small leaf spring with a fork on each
end. As shown suspension forks would not function well.
From: "dirk@xxxxxxxxxx" <dirk@xxxxxxxxxx>
To: python@xxxxxxxxxxxxx
Sent: Wednesday, August 10, 2011 6:00 AM
Subject: [python] Re: python Digest V9 #118
Hi Marek,
i think with two forks, strain should notbe a problem. However, the inclination
of 45° to the wrong side could prove to be bad fpr damping perfomance. Imagine
you hit a small curbside: the suspension should act along the line "contact
point tire/curbside" - "center of wheel"
So a damped seat could perform better with good positioning, than this design.
Ideally, damping the wheel is best, since you have less "umdamped weight"
(ungefederte Masse)
greetings,
Dirk
"bnmm@xxxxxxx" <bnmm@xxxxxxx> hat am 5. August 2011 um 00:56 geschrieben:
> Listees,
>
>
> would it be possible to use suspension forks with a design like this?
> (using python steering)
> www.openbike.org/wiki/File:Evij-trike.jpg
>
> It seems that the forks are inclined ca 45°, would there be too much
> shearing strain? Else, if it works ok, is it a good idea in the first
> place or would it be better to suspend back rest or seat instead?
>
>
> Cheers,
> Marek
>
>
> --
> Marek Möhling
> Naunynstr. 82
> 10997 Berlin
> Germany
> Tel: +49 30 347 676 95
> Fax: +49 30 484 988 218
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