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Jari.Kaija(at)pkcgroup.co
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 Posted: Wed Feb 01, 2006 12:18 am Post subject: Vs: Re: Can you reweld a 701 cabin frame? |
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| Quote: | You can heat and bend. Do so in small amounts. 4130 is fairly forgiving
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REALLY! Never thought thing called "torsion"?
| Quote: | works the same. Once again, 4130 was designed for torch welding, bending
and shaping.
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Yes. But NOT in the plane, where all structures are designed
to be straight!
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Jari Kaija
http://www.project-ch701.net
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keith.ashcraft(at)itt.com
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| Posted: Wed Feb 01, 2006 1:32 pm Post subject: Vs: Re: Can you reweld a 701 cabin frame? |
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Jari,
That is correct, but normailizing takes out the torsion tension. Look at
a Bearhawk, 95% of the 4130 tubing is bent. There is hardly any straight
pieces, (mostly the longerons) Another example, look at the EXEC
Helicopter, bent and formed 4130 tubing, all structural pieces to mount
the skids-engine-rotor-hub!!!
Keith
************************************************************
Jari.Kaija(at)pkcgroup.com wrote:
| Quote: |
>You can heat and bend. Do so in small amounts. 4130 is fairly forgiving
>
>
REALLY! Never thought thing called "torsion"?
>works the same. Once again, 4130 was designed for torch welding, bending
>and shaping.
>
>
Yes. But NOT in the plane, where all structures are designed
to be straight!
-------------------------------------------
Jari Kaija
http://www.project-ch701.net
-------------------------------------------
|
--
*************************************
*Keith Ashcraft*
ITT Industries
Advanced Engineering & Sciences
5009 Centennial Blvd.
Colorado Springs, CO
80919
(719) 599-1787 -- work
(719) 332-4364 -- cell
keith.ashcraft(at)itt.com
************************************
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