Re: [Chrysler300] Left Handed Lug Nuts?

[Keith Boonstra <kboonstra@xxxxxxxxxxxx>]

This article shows the testing that was done, and the conclusive results 
that show accidentally loose lug nuts on the left side of the will 
tighten a bit with the wheel rotation.  But it doesn't really explain - 
other than some passing references to "inertia" - just why this actually 
works.  I sorted it out one time, and it's actually a pretty cool thing 
the way it happens.

If the lug nuts were REALLY loose they probably wouldn't tighten 
themselves up with wheel rotation.  But you'll notice in the referenced 
testing that the nuts were "hand tight", giving them at least some 
minimal contact with the edges of the lug holes in the wheel.  It turns 
out that less-than-perfect contact is what tightens the lug nut as the 
wheel rolls.

Here's a fun experiment to show you how this works.  It's easier to do 
it than to describe it, but I'll do my best.  Screw a normal light bulb 
in a socket until it's nearly snugged up, but not tight (just like the 
lug nuts in the test).  Then with the minute amount of looseness helping 
you, swing the bulb in a clockwise direction - but don't turn it.  
You'll find that as you swing it around the bulb will actually try to 
turn itself out of the socket counterclockwise.  And that's because the 
contact between the bulb base and the socket will create a "walking" 
effect.  Likewise swinging the bulb in a counterclockwise direction will 
drive the bulb tighter into the socket.  It's a neat trick to use if you 
ever encounter a bulb, such as in one of those ceiling cans, that has 
somewhat corroded itself into place.  swing it around clockwise and 
you'll work it out of the socket without breaking the bulb out of the base.

And that's the effect at play with the left hand threaded lug nuts on 
the drivers side.  A smart move to compensate for slightly loose nuts, 
but it doesn't help at all if the nuts are tight in the wheel holes - 
they can't "walk".

Keith Boonstra

-

On 7/28/2011 4:11 PM, Bob Jasinski wrote:
>
> Here is a good read on the LHT subject:
>
> http://www.moparmax.com/columns/magnante/v_5-1.html
>
> Bob J
>
> From: Chrysler300@xxxxxxxxxxxxxxx 
> <mailto:Chrysler300%40yahoogroups.com> 
> [mailto:Chrysler300@xxxxxxxxxxxxxxx 
> <mailto:Chrysler300%40yahoogroups.com>] On
> Behalf Of Travis Baker
> Sent: Wednesday, July 27, 2011 7:34 AM
> To: Chrysler300@xxxxxxxxxxxxxxx <mailto:Chrysler300%40yahoogroups.com>
> Subject: [Chrysler300] Left Handed Lug Nuts?
>
>
> I went yesterday to have new wheels and tires installed on my G. To my
> surprise, I was informed that one side of the car has left handed studs.
> Anyone else experience this? In the mean time I guess I will use factory
> wheels and caps, so does anyone know where I can buy the wide white walls.
> Bought some from Coker a coupla years ago that were sloppily made. thanks
> for any and all leads. Travis
>
> [Non-text portions of this message have been removed]
>
> [Non-text portions of this message have been removed]
>
> 


[Non-text portions of this message have been removed]



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