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Date:         Wed, 30 Jun 2004 03:46:48 -0500
Reply-To:     Stan Wilder <wilden1-1@SBCGLOBAL.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Stan Wilder <wilden1-1@SBCGLOBAL.NET>
Subject:      Re: Curious Question (NVC)
Comments: To: Aristotle Sagan <killer_jupiter@HOTMAIL.COM>
Content-Type: text/plain; charset="iso-8859-1"

OK Back to timing belts on this one. I'm not the person to be specific but there are different types of Aluminum Plate just as there are different types of steel and stainless. They will have varying Rockwell hardness and strength characteristics. Some are specific for machining, some are billets to be melted for castings, some are soft for extrusions, some are Alloys for specific strength requirements. I'd suggest that you ask the local aluminum distributor for his recommendations.

Stan Wilder

----- Original Message ----- From: "Aristotle Sagan" <killer_jupiter@HOTMAIL.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Tuesday, June 29, 2004 3:33 PM Subject: Re: Curious Question (NVC)

> I am an engineer, compooter though, so purely a guess eminating from the dim > reaches of Chemestry101. The thermal qualities should be the same, the > strength qualities should be radically different from the process of > manipulating the billet in the rolling and tempering processes the AL > undergoes. > > I think the heat transfer should be the same as you have not changed the > electron structure of the material, just how it's aligned. > > tim in san jose > > > >From: John Rodgers <jh_rodgers@BELLSOUTH.NET> > >Reply-To: John Rodgers <jh_rodgers@BELLSOUTH.NET> > >To: vanagon@GERRY.VANAGON.COM > >Subject: Curious Question (NVC) > >Date: Tue, 29 Jun 2004 14:43:17 -0500 > > > >I'm not an engineer, but have a question. > > > >Cast aluminum has a granular crystal quality in it's structure. Milled > >Aluminum (hammered, rolled) does not. > > > >Of two identical parts, one a machnined aluminum casting, and the other > >machined in milled aluminum, which would most likely have the best 1) > >strength 2) heat transfer properties. > > > >Inquiring minds would like to know! > > > >Anybody?? > > > >Thanks, > > > >John Rodgers > >88 GL Driver > > _________________________________________________________________ > MSN Movies - Trailers, showtimes, DVD's, and the latest news from Hollywood! > http://movies.msn.click-url.com/go/onm00200509ave/direct/01/


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