Pitts-List Digest Archive

Tue 12/09/03


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 04:17 PM -  (Quinten R Graber)
     2. 05:17 PM - Re:  (Cy Galley)
     3. 05:39 PM - Re: Re: (Tommy Mead)
     4. 09:04 PM - Re:  (Phil Sisson, Litchfield Aerobatic Club)
 
 
 


Message 1


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    Time: 04:17:34 PM PST US
    From: Quinten R Graber <buschray@juno.com>
    --> Pitts-List message posted by: Quinten R Graber <buschray@juno.com> I have a question on welding 4130 with a torch. We've been tinkering around trying to weld with a torch and we can't seem ta get a good weld. We can weld something together the you just barely tap on it and it plinks right of. We are using ER70S-2 fill rods and a small torch tip. My cousin played with it enough that he's comfortable just tacking the stuff together but not the solid weld, so we're looking for all the advice we can get so we can get this thing in the air! One other thing I've noticed is it seems like when someone welds on an airframe they use ether a torch or a tig. Why don't they use a mig? or maybe some do and I don't know it. If anyone has any advise on this please let us know. We're just about to throw this torch away, exept that if someone else can weld with it then I think we can too. Quinten Graber S1S


    Message 2


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    Time: 05:17:43 PM PST US
    From: "Cy Galley" <cgalley@qcbc.org>
    Subject: Re:
    --> Pitts-List message posted by: "Cy Galley" <cgalley@qcbc.org> ER70S is an electric welding rod. You need one with a G for gas. and probably more heat for better penetration. Cy Galley, TC - Chair, Emergency Aircraft Repair, Oshkosh Editor, EAA Safety Programs cgalley@qcbc.org or experimenter@eaa.org Always looking for articles for the Experimenter ----- Original Message ----- From: "Quinten R Graber" <buschray@juno.com> > --> Pitts-List message posted by: Quinten R Graber <buschray@juno.com> > > I have a question on welding 4130 with a torch. We've been tinkering > around trying to weld with a torch and we can't seem ta get a good weld. > We can weld something together the you just barely tap on it and it > plinks right of. We are using ER70S-2 fill rods and a small torch tip. > My cousin played with it enough that he's comfortable just tacking the > stuff together but not the solid weld, so we're looking for all the > advice we can get so we can get this thing in the air! One other thing > I've noticed is it seems like when someone welds on an airframe they use > ether a torch or a tig. Why don't they use a mig? or maybe some do and I > don't know it. If anyone has any advise on this please let us know. > We're just about to throw this torch away, exept that if someone else > can weld with it then I think we can too. Quinten Graber > > > S1S > >


    Message 3


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    Time: 05:39:31 PM PST US
    From: "Tommy Mead" <bigun73@msn.com>
    Subject: Re:
    Seal-Send-Time: Tue, 9 Dec 2003 19:38:25 -0600 --> Pitts-List message posted by: "Tommy Mead" <bigun73@msn.com> you have chose the right wire for Tig welding. gas welding is different. tig welding is my personal and professional choice for all types of metals. clean clean clean with the tungsten inert gas welding method, you have a cleaner puddle and better control of the penetration. also with the flow of argon, you cool the weld and contain the heat to the weld area. mig welding is not a chosen method due to amount of control lost and the heat that it imparts onto the tubing. This heat can cause stress in the tubing. also with less than perfect welding procedures with the mig process you can have a tendency to have areas of less than perfect penetration. IMHO I would not use anything other the the tig process for this type of critical work. Tommy Mead ----- Original Message ----- From: Cy Galley<mailto:cgalley@qcbc.org> To: pitts-list@matronics.com<mailto:pitts-list@matronics.com> Sent: Tuesday, December 09, 2003 7:18 PM Subject: Pitts-List: Re: --> Pitts-List message posted by: "Cy Galley" <cgalley@qcbc.org<mailto:cgalley@qcbc.org>> ER70S is an electric welding rod. You need one with a G for gas. and probably more heat for better penetration. Cy Galley, TC - Chair, Emergency Aircraft Repair, Oshkosh Editor, EAA Safety Programs cgalley@qcbc.org<mailto:cgalley@qcbc.org> or experimenter@eaa.org<mailto:experimenter@eaa.org> Always looking for articles for the Experimenter ----- Original Message ----- From: "Quinten R Graber" <buschray@juno.com<mailto:buschray@juno.com>> To: <pitts-list@matronics.com<mailto:pitts-list@matronics.com>> > --> Pitts-List message posted by: Quinten R Graber <buschray@juno.com<mailto:buschray@juno.com>> > > I have a question on welding 4130 with a torch. We've been tinkering > around trying to weld with a torch and we can't seem ta get a good weld. > We can weld something together the you just barely tap on it and it > plinks right of. We are using ER70S-2 fill rods and a small torch tip. > My cousin played with it enough that he's comfortable just tacking the > stuff together but not the solid weld, so we're looking for all the > advice we can get so we can get this thing in the air! One other thing > I've noticed is it seems like when someone welds on an airframe they use > ether a torch or a tig. Why don't they use a mig? or maybe some do and I > don't know it. If anyone has any advise on this please let us know. > We're just about to throw this torch away, exept that if someone else > can weld with it then I think we can too. Quinten Graber > > > S1S > >


    Message 4


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    Time: 09:04:23 PM PST US
    From: "Phil Sisson, Litchfield Aerobatic Club" <sisson@consolidated.net>
    Subject: Re:
    --> Pitts-List message posted by: "Phil Sisson, Litchfield Aerobatic Club" <sisson@consolidated.net> Quinten R Graber wrote: > --> Pitts-List message posted by: Quinten R Graber <buschray@juno.com> > > I have a question on welding 4130 with a torch. We've been tinkering > around trying to weld with a torch and we can't seem ta get a good weld. > We can weld something together the you just barely tap on it and it > plinks right of. We are using ER70S-2 fill rods and a small torch tip. > My cousin played with it enough that he's comfortable just tacking the > stuff together but not the solid weld, so we're looking for all the > advice we can get so we can get this thing in the air! One other thing > I've noticed is it seems like when someone welds on an airframe they use > ether a torch or a tig. Why don't they use a mig? or maybe some do and I > don't know it. If anyone has any advise on this please let us know. > We're just about to throw this torch away, exept that if someone else > can weld with it then I think we can too. Quinten Graber > > > S1S > Quinton, > you should be able to weld that together and it not break off. I would suggest that you are not getting proper penetration of one or both parent metals. The rod you are using is a multiple deoxidized rod that is used more for tig welding, but still you should not be able to break it loose. Phil S1S- N1GB




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