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RE: Stress relief

To: "Albaugh, Neil" <albaugh_neil@ti.com>, "'Doug Odom'"
Subject: RE: Stress relief
From: "Russel Mack" <rtmack@concentric.net>
Date: Mon, 16 Dec 2002 12:05:00 -0600
Neil:
Rodek may be getting better blocks from the shake table, but (like you) I
doubt that this is due to "stress relieving".  What they may be doing is a
little overall STRENGTHENING (improvemnt to tensile, compressive, and/or
shear strength-- depending on the direction of the displacements), due to
some strain-hardening of the blocks.
Russ, #1226B

-----Original Message-----
From: owner-land-speed@autox.team.net
[mailto:owner-land-speed@autox.team.net]On Behalf Of Albaugh, Neil
Sent: Monday, December 16, 2002 10:30 AM
To: 'Doug Odom'; Bryan Savage
Cc: Bob Jepson; Land Speed
Subject: RE: Stress relief


Doug;

I suspect they were only shaking any remaining casting sand out of the
block. Rodek should know what they're doing... but I'm still skeptical.

Regards, Neil     Tucson, AZ


-----Original Message-----
From: Doug Odom [mailto:popms@thegrid.net]
Sent: Saturday, December 14, 2002 5:38 PM
To: Bryan Savage
Cc: Bob Jepson; Land Speed
Subject: Re: Stress relief


    The Rodeck factory is just north of big ditch. We have had our gold
coast
racers club meetings there on several occasions. They give us the grand tour
after our meeting. They have two large tables that they put all their blocks
on
and vibrate for about 30 minutes each if I remember right. They can bolt
about 4
blocks at a time to the table. They said it was well worth the expense and
time
to relieve the blocks. So I have to believe there is something to it. I
don't
think John would have spent the money for the machines if it was not proven.
Ask
me some day how John came up with the name TFX for his new motor.
                Doug Odom in big ditch where it might rain but not for sure

Bryan Savage wrote:

> I have read that a  rebuildable engine out of an old school bus or truck
> is good for racing use because it is "Seasoned".
>
> I also read about vibrating  parts with a high power "Shake Table"
> will relieve stress.
>
> Are these Racing Myths?
>
> Bryan  ( wondering & wet )

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