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Re: Blueprinting...

To: Jeff Fayne <fayne@mcs.com>
Subject: Re: Blueprinting...
From: "S. L. Hower" <howersl@ttown.apci.com>
Date: Fri, 23 Aug 1996 11:15:09 -0400 (EDT)
On Fri, 23 Aug 1996, Jeff Fayne wrote:

> Ok, pride swallowed:
> 
> I know a little about align boring/shot peening/etc. but what is
> nitriding and knife-edge?

  I am no expert, and others here can probably explain this better,
  but as I understand it, Nitriding is a heat-treating process that 
  hardens the outer surface of the crank. It is said to significantly
  reduce wear.  Knife-edging is a technique that racers use to reduce
  the resistance of the crankshaft counterweights as they spin through
  the oil in the pan (similar to a windage tray)  The flat section of
  the counterweights are ground into to a v.

  -Scott    
  
   Scott Hower  --> howersl@ttown.apci.com      
   Air Products & Chemicals, Inc.         
   7201 Hamilton Blvd Trexlertown, PA     
   (610) 481-2646                       


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