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any metallurgists here :)
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also as far as expansion, I know many manufacturers that make aluminum blocks use steel sleeves in the cylinders-
Rob
Robert Piwonka <tpiwonka@ttacs.ttu.edu> wrote:aluminum also has better heat dissapsion properties then iron. Robert-----Original Message-----
From: scirocco-l-admin@scirocco.org [mailto:scirocco-l-admin@scirocco.org]On Behalf Of Dan Smith
Sent: Sunday, February 23, 2003 5:47 PM
To: L F; Allyn; Ryan Schuermann; scirocco-l@scirocco.org
Subject: Re: any metallurgists here :)
I knew weight was the reason, I just wasn't sure on the expansion thing. I wouldn't put it past auto makers to make a lighter, more efficient engine that wore out a lot quicker due to expansion and contraction, hence the question.
Dan
L F <rocco16v@netzero.net> wrote: Aluminum does have a coefficient of expansion greater than the ferrous alloys and cast iron. That characteristic is accounted for when they design for aluminum. Aluminum blocks are becoming more popular for one reason; weight.(And vehicle weight is the major player in the quest for greater mileage) Larrysandiego16v----- Original Message ----- From: Dan Smith To: Allyn ; Ryan Schuermann ; scirocco-l@scirocco.org Sent: Sunday, February 23, 2003 1:43 PMSubject: Re: any metallurgists here :)
Speaking of engine metal, why are most engines aluminum now? Doesn't aluminum expand and contract a lot under heat/cold? Wouldn't that really stress out parts and stuff?
Dan
Allyn <amalventano@sc.rr.com> wrote: if it wasnt an alloy, our bottom ends would all be piles of orange dust by
now.
Al
----- Original Message -----
From: "Ryan Schuermann"
To:
Sent: Sunday, February 23, 2003 4:21 PM
Subject: any metallurgists here :)
> ok our beloved vw bottom end is... cast iron? Does anyone know
> if it's pure iron or an alloy of some type?
>
> Ryan
>
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<P>also as far as expansion, I know many manufacturers that make aluminum blocks use steel sleeves in the cylinders-
<P>Rob
<P> <B><I>Robert Piwonka <tpiwonka@ttacs.ttu.edu></I></B> wrote:
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<DIV><SPAN class=889084401-24022003><FONT face=Arial color=#0000ff size=2>aluminum also has better heat dissapsion properties then iron. </FONT></SPAN></DIV>
<DIV><SPAN class=889084401-24022003><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=889084401-24022003><FONT face=Arial color=#0000ff size=2>Robert</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> scirocco-l-admin@scirocco.org [mailto:scirocco-l-admin@scirocco.org]<B>On Behalf Of </B>Dan Smith<BR><B>Sent:</B> Sunday, February 23, 2003 5:47 PM<BR><B>To:</B> L F; Allyn; Ryan Schuermann; scirocco-l@scirocco.org<BR><B>Subject:</B> Re: any metallurgists here :)<BR><BR></FONT></DIV>
<P>I knew weight was the reason, I just wasn't sure on the expansion thing. I wouldn't put it past auto makers to make a lighter, more efficient engine that wore out a lot quicker due to expansion and contraction, hence the question.
<P>Dan
<P> <B><I>L F <rocco16v@netzero.net></I></B> wrote:
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<DIV><FONT face=Arial size=2>Aluminum does have a coefficient of expansion greater than the ferrous alloys and cast iron. That characteristic is accounted for when they design for aluminum. Aluminum blocks are becoming more popular for one reason; weight.</FONT></DIV>
<DIV><FONT face=Arial size=2>(And vehicle weight is the major player in the quest for greater mileage)</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Larry</FONT></DIV>
<DIV><FONT face=Arial size=2>sandiego16v</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=sad_rocc@yahoo.com href="mailto:sad_rocc@yahoo.com";>Dan Smith</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=amalventano@sc.rr.com href="mailto:amalventano@sc.rr.com";>Allyn</A> ; <A title=big_hot_tamale@yahoo.com href="mailto:big_hot_tamale@yahoo.com";>Ryan Schuermann</A> ; <A title=scirocco-l@scirocco.org href="mailto:scirocco-l@scirocco.org";>scirocco-l@scirocco.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, February 23, 2003 1:43 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: any metallurgists here :)</DIV>
<DIV><BR></DIV>
<P>Speaking of engine metal, why are most engines aluminum now? Doesn't aluminum expand and contract a lot under heat/cold? Wouldn't that really stress out parts and stuff?
<P>Dan
<P> <B><I>Allyn <<A href="mailto:amalventano@sc.rr.com";>amalventano@sc.rr.com</A>></I></B> wrote:
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">if it wasnt an alloy, our bottom ends would all be piles of orange dust by<BR>now.<BR>Al<BR><BR>----- Original Message -----<BR>From: "Ryan Schuermann" <BIG_HOT_TAMALE@YAHOO.COM><BR>To: <SCIROCCO-L@SCIROCCO.ORG><BR>Sent: Sunday, February 23, 2003 4:21 PM<BR>Subject: any metallurgists here :)<BR><BR><BR>> ok our beloved vw bottom end is... cast iron? Does anyone know<BR>> if it's pure iron or an alloy of some type?<BR>><BR>> Ryan<BR>><BR>> __________________________________________________<BR>> Do you Yahoo!?<BR>> Yahoo! Tax Center - forms, calculators, tips, more<BR>> http://taxes.yahoo.com/<BR>><BR>> _______________________________________________<BR>> Scirocco-l mailing list<BR>> Scirocco-l@scirocco.org<BR>> http://neubayern.net/mailman/listinfo/scirocco-l<BR>><BR><BR><BR>_______________________________________________<BR>Scirocco-l mailing list<BR>Scirocco-l@scirocco.org<BR <P><BR>
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