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Re: [Spridgets] Hardening Steel

To: dwoerpel@wi.net
Subject: Re: [Spridgets] Hardening Steel
From: "Mark Haynes" <haynes386@netzero.net>
Date: Wed, 17 Aug 2011 16:41:38 GMT
So the accepted value for CTE of steel is 0.00000645in/in/deg F (or
0.00001032in/in/*C), figure we're going from RT (295K or 22C) to 4 K, a delta
T of 291, so the contraction per one inch is 0.003003", assuming the Mini is
10 ft long, we can make the car a total of 0.3604" shorter!
Now try to start it at that temp!


Mark Haynes
It only goes one way-Pay it Forward
HAN6L12977
HAN5L8016

---------- Original Message ----------
From: dwoerpel@wi.net
To: "Mark Haynes" <haynes386@netzero.net>
Cc: kk7ss@frontier.com, spridgets@autox.team.net
Subject: Re: [Spridgets] Hardening Steel
Date: Tue, 16 Aug 2011 23:21:56 -0500 (CDT)

I knew you were going to say that!  So, using Peter's Mini, just how
Mini-er can we make it at Ab. Zero??? (or as close as we can get)  :-)

Dave W.
(always the scientist)




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