<VV> [fastvair] machining info

[jvhroberts at aol.com]

 You probably want 7075T651. It costs hardly any more than 6061, is stronger, machines more easily, and anodizes better, should one wish to do so. However, it's not weldable, which 6061 is. 
Cost? Well, any suitable aluminum alloy is going to run about the same, no matter what you choose. Not sure what you mean by expensive, quantity definitely helps! One of the advantages of casting, FAR less waste/


 


John Roberts

 


 

-----Original Message-----
From: scottygrover at aol.com
To: virtualvairs at corvair.org
Cc: fastvair at yahoogroups.com
Sent: Tue, Aug 4, 2009 5:07 pm
Subject: [fastvair] machining info






















    

                  
I've done some digging on the 'Net for pricing on aircraft-grade  

aluminum--can anyone tell me--if I have a part that's to be  machined to  a maximum 

4.5" x 6.5" in cross-section, just how much  should I allow over those 

dimensions when I go to purchase the metal? I don't  want to go excessively 

oversize--that 6061 is g**-awful expensive.  

 

Scotty from Hollyweird



[Non-text portions of this message have been removed]





 

    
  

    
    
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