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ZA extrusion photo

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n4546v(at)mindspring.com
Guest

Posted: Mon Jul 17, 2006 4:56 pm Post subject: ZA extrusion photo

OK, now I'm at home where I have both a camera and extrusions I

purchased from ZA.  This is my first attempt at attaching a photo to the

list so wish me luck.  Referring to my previous posts, the 3/4 x 3/4 x .093

seems to be the "square corner" specification.  There is no filet on the

inside and the legs or flanges are a constant size with no taper.  The

larger 1 1/2 x 1 x .125 extrusion meets neither specification I described.

It does not have "square corners" on the inside, it has a filet, yet it has

no taper on the legs or flanges, so it really doesn't meet the "American

Standard" spec I described.

    When you order from the mill in quantity, you can have any shape made of

any material made to any specification.  Is this what ZA is doing?

Obviously, I don't have the complete answer.  I wish I had a sample of the

"American Standard" cross section to compare what ZA furnishes.

    I now believe that ZA extrusions are "mill specials" that you wouldn't

find in any normal stocking situation.  That doesn't mean that you couldn't

use readily available stock sizes and alter them to "near" ZA shape.

    I've done my best to determine what is the real story here, maybe other

listers can add to this story.



Best Regards,



Randy L. Thwing, Las Vegas, NV

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gboothe(at)calply.com
Guest

Posted: Mon Jul 17, 2006 5:43 pm Post subject: ZA extrusion photo

Randy,



Your diligence is MOST appreciated. I think I will follow BN's suggestion

and return to my supplier looking for "Material Certs." Got plenty of

time...



Gary

Do not archive



--

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gboothe(at)calply.com
Guest

Posted: Mon Jul 17, 2006 7:51 pm Post subject: ZA extrusion photo

Carlos,



I guess I started this, and I can't agree more with you. If I cannot resolve

it with a simple question and response I'll buy from a more reputable

dealer.



Forget what I said about sticking it up his you-know-what. After all, he's

bigger than me!



Gary Boothe

Cool, CA

601 HDSTD, WW Conversion

Tail done, working on wings....



Now, for peace of mind, may I suggest: get rid of the unknown material and

get some from a

reliable source. I don't know what is the current price of 6061-T6

extrusions, but it can't be so

high that it would justify a full scale investigation on the origins of this

piece...



There ya go, my 2 cents.



Carlos

CH601-HD, plans

Montreal, Canada

--- "Randy L. Thwing" <n4546v(at)mindspring.com> a écrit :



 	  Quote: 	
		       OK, now I'm at home where I have both a camera and extrusions I

 purchased from ZA.  This is my first attempt at attaching a photo to the

 list so wish me luck.  Referring to my previous posts, the 3/4 x 3/4 x

.093
	


 	  Quote: 	
		   seems to be the "square corner" specification.  


	




	



	

		

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