[python] Re: 65 degree pivot angle
- From: Vi Vuong <vi_vuong@xxxxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Wed, 16 Mar 2011 19:50:43 -0700 (PDT)
Hi Kurt,
I plotted your new measurements, along with mine and the Pythoon. Here is the
link in case you are interested.
http://en.openbike.org/images/openbike/2/28/GuineaPigPivotAngle.png
It seems that pivot angle is more sensitive than wheelbase. It would be nice
to
be able to adjust both. Rod end pivot is supposedly good for fine
adjustment, http://en.openbike.org/wiki/Steering_Pivot
Vi
________________________________
From: Kurt Rutter <tokabago@xxxxxxxxx>
To: python@xxxxxxxxxxxxx
Sent: Wed, March 16, 2011 12:03:43 AM
Subject: [python] 65 degree pivot angle
I too shortened my pyhon (by 7 inches to a 111cm or so wheelbase) and increased
the pivot angle by a couple of degrees to 65 degrees. The ride improved quite a
bit. I was surprised how how much improvement came from a slight change in
pivot
angle, even though Jurgen has stressed this more than once :=) The bike will
now
maybe fit on the county bus bike rack (for slightly lazy commuting). I'm using
a
rigid mountainbike fork, extra long for suspension compensation. If I switch to
a regular road fork I will lose another 3-4 inches in length but will have to
raise the seat about 6 inches so the backrest will clear the rear wheel.
Compromises!
Kurt
(\_/)
(0.o)
(___)o
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