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magnaflux vs met-l-chek

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brubakermal(at)yahoo.com
Guest

Posted: Sat Dec 12, 2009 9:00 am Post subject: magnaflux vs met-l-chek

I am involved in a project that I need to check for stress/cracks in chromoly tubing.  Has anyone used either Magnaflux or Met-L-Check, is the whole kit necessary? Any thoughts on one product versus the other



Malcolm Brubaker 

 Michigan Sport

 Pilot Repair 

 LSRM-A, PPC, WS

 (989)513-3022



--- On Sat, 12/12/09, Jimz <jezim(at)pro-ns.net> wrote:

 	  Quote: 	
		  

From: Jimz <jezim(at)pro-ns.net>

Subject: Carburetor air intake

To: kitfox-list(at)matronics.com

Date: Saturday, December 12, 2009, 1:32 AM



--> Kitfox-List message posted by: "Jimz" <[url=/mc/compose?to=jezim(at)pro-ns.net]jezim(at)pro-ns.net[/url]>



I have seen an IO-240 powered Kitfox that took the carb. air from inside the cowl instead of having a filter outside for ram air. Has anyone tried this with an 0-200 installation?  Thanks   



Jim

Series 5 0-200 

Lake Elmo MN  21D





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akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Sat Dec 12, 2009 1:55 pm Post subject: Re: magnaflux vs met-l-chek

You are talking about 2 different animals here.  Magnaflux is a magnetic particle test and will show surface and slightly sub surface discontinuities (with the thickness of tubing we are dealing with in plane a good AC yolk using wet florescent mag particle you will be able to see any cracks even on the ID of the tubing)



Met-l-check is a visible dye penetrant test.  This will only show cracks or discontinuities that are open to the surface on the side you are putting the dye on.



If you have something that you really want checked using Mag particle, I have a mag yolk and black light I could ship if you dont want to farm the job out locally.  I can teach a monkey to do MT or penetrant testing in about 20 minutes.



You can also use the mag yolk to de-magnetize the airframe if you have some cross members giving your compass the fits.  Takes me about 30 minutes to demag the cockpit area and get it to Zero using the yolk and a gause meter.

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_________________
DO NOT ARCHIVE
Leonard Perry aka SNAKE
Soldotna AK
Avid "C" / Mk IV
582 (147 hrs and counting on the rebuild)
IVO IFA
Full Lotus 1450
#1 snake oil salesman since 1-22-2009

I would rather die trying to live, than to live trying not to die....

Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Sat Dec 19, 2009 4:43 pm Post subject: magnaflux vs met-l-chek

Larger parts are easier to magnaflux,  smaller parts are easy to do the dye penetrant.  Both systems require some experience.    

   

Noel  

     

From: owner-kitfox-list-server(at)matronics.com [mailto:owner-kitfox-list-server(at)matronics.com] On Behalf Of Malcolm Brubaker

 Sent: December 12, 2009 1:26 PM

 To: kitfox-list(at)matronics.com

 Subject: Re: magnaflux vs met-l-chek  

  

           

I am involved in a project that I need to check for   stress/cracks in chromoly tubing.  Has anyone used either Magnaflux or   Met-L-Check, is the whole kit necessary? Any thoughts on one product versus   the other

   

   Malcolm Brubaker 

   Michigan Sport

   Pilot Repair 

   LSRM-A, PPC, WS

   (989)513-3022

   

   --- On Sat, 12/12/09, Jimz <jezim(at)pro-ns.net> wrote:   



   From: Jimz <jezim(at)pro-ns.net>

   Subject: Carburetor air intake

   To: kitfox-list(at)matronics.com

   Date: Saturday, December 12, 2009, 1:32 AM      

--> Kitfox-List message posted by: "Jimz" <[url=/mc/compose?to=jezim(at)pro-ns.net]jezim(at)pro-ns.net[/url]>

   

   I have seen an IO-240 powered Kitfox that took the carb. air from inside the   cowl instead of having a filter outside for ram air. Has anyone tried this   with an 0-200 installation?  Thanks   

   

   Jim

   Series 5 0-200 

   Lake Elmo MN  21D

   

   

   

   

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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Sat Dec 19, 2009 4:44 pm Post subject: magnaflux vs met-l-chek

Leonard:



I agree with most of what you say except the part about teaching a monkey to

test in twenty minutes...  My training was about two weeks and that barely

scratched the surface.  Of course we also did structural X-Ray, ultrasound

and eddy current.  I still remember my first experience with dye...  boy

does that stuff ever pass through coveralls!  Darned hard to get off too!



Noel



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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

akflyer

Joined: 07 May 2007
Posts: 574
Location: Soldotna AK

Posted: Sun Dec 20, 2009 5:33 am Post subject: Re: magnaflux vs met-l-chek

hmmm dont know about that.  I made NDE my career...



 I am not talking about taking the time to learn all the theories behind MT or PT.  For Level II certs  MT is 20 hr class.. PT is 16 hr class.  I was talking about using an AC yolk and some 14am.  If I cant teach a monkey (read new guy that has never heard of it before) to use it for a specific purpose to detect cracks in tubing or structural members in 15 minutes or less I will kiss your back side and give you an hour to draw a crowd LOL.  I am not talking about doing head shots, or figuring out how many turns on a coil you need to get the proper magnetic field for an adequate inspection... a yolk, pie gauge, some powder or WFMP and 15 minutes... easy!



My first PT job was under a reformer doing 2" pig tail welds coming on the fire tubes.  After that 2 week job it took me about a month to get my face and arms to a point that I did not look like a clown with red crap all over my face LOL.



I know what you are saying on proper training... I have sat in way too many classes over the years.  

180 HRs of RT and Rad safety (plus 80 hrs corporate radiation safety)

120 Hrs UT

60 hrs of MT and PT

40 hrs MFE

40 hrs IRIS 

the list goes on and on, but ya get the picture LOL.

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