Re: Re: ch701 Plans


Subject:    Re: Re: ch701 Plans
From:    Dirk Zahtilla (ideaz1@sbcglobal.net)
Date:    Mon Dec 01 - 9:50 AM
Hi Steven, I know you're probably getting tired of being lectured to but a 
group like this is behind you and also very concerned for your safety. Re: 
the aluminum you use, I'm familiar with scrap yards too and for your project 
I just reccomend that you look for the alloy designation right after the 
thickness. You should be looking for 6061 T6. You could also use 2024 T3 ( 
which is actually stronger) If you cannot find one of these designations 
printed on the sheet DON'T USE IT!!! If you should use an alloy that is T0 
it is annealed and very soft(try this in a wing spar or wing skin and it 
will fold up on you as soon as you get a load on it!)This will eliminate the 
need for thicker material which might still not be of the same strength even 
though it is almost twice as thick.
Dirk Z Carson City Nv. ideaz1@sbcglobal.net
----- Original Message ----- 
From: "gotosteven" <gotosteven@HOTMAIL.COM>
To: <zenith-list@matronics.com>
Sent: Monday, December 01, 2008 8:26 AM
Subject: Re: ch701 Plans


>
> thanks for the great advise i do realize you guys are worried when i say 
> scrap, but that is why i am oversizeing many things as possible eg if it 
> says 0.25 i use 0.40 if it says 1 L bracket i will put 2 back to back as 
> for the bolts i will be purchaseing the proper ones i also have very nice 
> plates of alluminim like 1/2 inch thick and 3/4 inch thick i am sure will 
> be usefull as well
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=217170#217170
>
>
> 




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