Jeff
I thought jerkiness is the behavior of a jerk, often exhibited as bad
driving habits. This behavior can be modified somewhat by several different
methods.
Loud horns
Bright lights
Large weapons
And my personal favorite, the loud, unpacked supertrap, at ear level, with
the engine rapped to 6k or higher, as you pass by the offending jerks open
window. For this to be totally effective you must see how close you can come
to taking his/her mirror off with you're handle bar. Great for all the
smaller cars on the road today. The effectiveness of this technique can be
calculated by factoring the square root of your velocity times the volume of
the sound wave multiplied by the cagers eye size in your mirror after the
pass. I never thought of this as a math equation before. The scientific
approach is swell.
DAngus
-----Original Message-----
From: Jeffrey L. Walker [mailto:jlwalk@...]
Sent: Saturday, July 08, 2000 9:12 AM
To:
DSN_klr650@egroups.com; Jim Hyman
Subject: Re: [DSN_klr650] Re: What if my chain too loose? NKLR
> Luke,
>
> A chain that is too loose causes unnecessary jerkiness on the
> powetrain (chain, sprockets, clutch, transmission bearings,
> shafts & gears). These additonal loads lead to increased
> wear & shortened life of all these components. Proper chain
> maintenance (adjustment & lubrication) does wonders for
> extending chain & sprocket life.
>
I actually learned the mathematical definition of "Jerkiness" in my Machine
Dynamics class last week. If you take the derivative of a position as a
function of time, you get velocity. If you then take the derivative of
velocity, you get acceleration, yeah? Well, if you then take another
derivative of acceleration, you get "Jerk". So a jerk is the third
derivative of position function. Its so simple. Its one of those things I
always instinctively knew, but never thought of mathematically before. Of
course we were using it in analyzing cam profiles. Interesting to me
anyway.
Jeff
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