[RBW] Re: Lever effect of stem length et al on steering and handling

2019-02-09 Thread Ron Mc
Think all of us like multiple hand position options on bars, part of it is 
comfort, part of it is control, part of it is wind.  
As a rule, longer stem and wider bars give you the most control, and you 
actually use your arms to steer.  In the narrow positions, you steer mostly 
with lean and less (if at all) with your arms.  
As far as weight on bars, should reserve that for braking, and use core 
muscle support for your weight.  

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[RBW] Re: Lever effect of stem length et al on steering and handling

2019-02-06 Thread Tom Wyland
Max is technically correct... it's a matter of the distance from the grip 
to the axis (stem) in the plane that's perpendicular to that axis.  That's 
the plane in which the grips move around the axis.  

The steering is going to "feel" differently when your reach/arm extension 
changes and your grip angle changes.  When the grip is far away from the 
axis, it's really easy to turn the wheel. When the grip is far away and it 
happens super close to you, it's really easy to move the wheel.  That's 
what I think would happen in "tiller steer" when the grips are relatively 
close to the rider but far behind the axis.  

I would think loading and unloading of your body weight on your hands 
changes the apparent effort, too.  The more downward weight on your hands 
the harder more relative effort to rotate the bars. This one is just a 
guess.

Tom

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