UFO & G60

Bernie Benz b.benz at charter.net
Tue Feb 1 17:56:40 EST 2005

> From: Dan Cordon <cord4530 at uidaho.edu>
> So far, my car doesn't seem to have any strut tears.
> My car had G60's put on fairly early in its life. It spent about 8 years
> in Missouri, then 3 years in Montana, a year in Tennessee, and has been
> in Idaho the last two years.
> However, in the last two years, it's seen frequent trips down a few
> miles of washboarded gravel roads. That's got to be like 10 years of
> potholes right?
Dan,  Here's a topic for your thesis.  A formula for the optimum speed at
which to transverse pot holes of varying diameters and depths.  When is
flying across better than dropping in?
> I can't imagine the brakes making much difference in the strut cracking
> though. The main difference the tower would see would come from unsprung
> mass. Never having had UFO's, I can't comment on if one is significantly
> heavier than the other. But my gut instinct would be to say no.
> Any airplane experts on the list? They would know much about crack
> propagation in sheets. (I believe fatigue is usually a big factor.) But
> they would also have helpful hints on how to fix it.
That's how and why wings get clipped.

> -- 
> Dan Cordon
> Mechanical Engineer - Engine Research Facility
> University of Idaho

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