[TheForge] WAS: BLACKSMITHING CHAT WITH OLD FRIENDS - Bridge

Sun Jun 23 19:10:01 2002

I believe it to be "Galloping Girtie" the Seattle Tacoma Bridge. There 
is film of it oscilatting prior to collapse. There are actually some 
fools walking across it!!!

On the topic of "engineers" having received my degree in Fluid and 
Thermal Sciences I can legitimately dodge the label of "engineer". In 
good conscience I consider myself a wayward mechanical engineer. Doesn't 
mean anything really except that I spent 4 good years of earning 
potential, learning how to solve problems using the "scientific method", 
along with some tricky calculus, way out physics and plenty, and I do 
mean plenty of BEER!!

If I had it to do over again? Probably would have started metal mangling 
much earlier, but probably would not have changed much in the 
professional/technical world. (Gained some great experience, 
irreplacable training, and in the long run, enjoyed it).

Ray Miller
Cincinnati

Jeff Harding wrote:

>Ralph;
>
>   I recall the same bridge, they have a photo of it just as it
>collapsed and the road bed was in the shape of a perfect sine wave.
>Can't remember where it was either.
>
>   Jeff   ><>
>
>----- Original Message -----
>From: "Ralph" <[email protected]>
>To: <[email protected]>
>Sent: Sunday, June 23, 2002 10:46 AM
>Subject: Re: BLACKSMITHING CHAT WITH OLD FRIENDS was:[TheForge]
>WHATTHE HELL
>
>
>>>
>>>        Huh... I would never have associated the desireable
>>>
>qualities
>
>>>        of a sword with vibration.  Weight, "balance", cutting
>>>
>ability,
>
>>>        yes.
>>>
>>Because you did not really read the statement. Vibration is was not
>>
>being
>
>>touted as a good thing.  But the vibrations node location was
>>
>decidedly
>
>>important. All things vibrate. It is the nature of things. If a long
>>
>item
>
>>is not designed with the thought of the vibrations taken into
>>
>account you
>
>>will have problems. For example, the suspension bridge that started
>>
>to rock
>
>>in the wind until it finally collapsed. . Right now I can not
>>
>remember when
>
>>and where this was...  IIRC it was Washington State and in the
>>
>'40s......
>
>>But the point was that the vibratory node location is very
>>
>important.
>
>>
>>Ralph
>>
>>
>>"Good is the enemy of Excellent. Talent is not necessary for
>>
>Excellence.
>
>>Persistence is necessary for Excellence. And Persistence is a
>>
>Decision."
>
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>>
>>
>>
>
>_______________________________________________
>http://mailman.qth.net/mailman/listinfo/theforge
>theforge mail list group photo site is
>http://www.photoaccess.com
>Login:  [email protected]
>password:  anvil
>___________
>
>
>

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