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  #11  
Old 12-17-2020, 02:53 AM
crystallographic crystallographic is offline
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Originally Posted by BTromblay View Post
A customer of mine had a cracked fairing on his airplane that needed to be weld repaired. He was resistant to sending it to me, do to it being "thin, aluminum material" in his opinion and he wasn't sure that I, only being an A&P IA and not a "repair station" that I could repair it. I welded two soda cans together and mailed it to him, I got the job and he kept the cans...

Were the cans structural or deco?

Some guys don't want tiggy on their old aeroplanes - gotta be "period."
Period.
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  #12  
Old 12-17-2020, 09:31 PM
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Jack 1957 Jack 1957 is offline
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Originally Posted by steve.murphy View Post
These have been on YouTube for awhile, wondering what the you think about it?
https://youtu.be/SLiURmMr5iA

Poor penetration. They call this cold welding for a reason. The promoters claim that it's the same as a TIG with pulse. That is not just misleading, it is FALSE!!! This system goes from full temperature when you pull the trigger, to completely off when released. A TIG with pulse is preset to operate in the on position as long as the trigger or foot pedal is engaged. You preset the high and low temperatures desired and the time for each. The metal never gets "cold". It goes intermittently hot and very hot. Huge difference between that and on/off.
When you buy cheap Chinese aluminum parts that appear to have near perfect TIG welds, this is most likely how they were welded. For an aluminum overflow tank it might be OK, but for anything carrying a load or structural, no way. Caveat emptor.
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  #13  
Old 12-18-2020, 04:37 AM
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Gojeep Gojeep is offline
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Quote:
Originally Posted by BTromblay View Post
A customer of mine had a cracked fairing on his airplane that needed to be weld repaired. He was resistant to sending it to me, do to it being "thin, aluminum material" in his opinion and he wasn't sure that I, only being an A&P IA and not a "repair station" that I could repair it. I welded two soda cans together and mailed it to him, I got the job and he kept the cans...
Ha ha, love it. Great way to show what you can do.
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Old 12-18-2020, 08:07 AM
cliffrod cliffrod is offline
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Quote:
Originally Posted by BTromblay View Post
A customer of mine had a cracked fairing on his airplane that needed to be weld repaired. He was resistant to sending it to me, do to it being "thin, aluminum material" in his opinion and he wasn't sure that I, only being an A&P IA and not a "repair station" that I could repair it. I welded two soda cans together and mailed it to him, I got the job and he kept the cans...
I've got to wonder how many times the welded cans get shown & the immediate response is framed around how you must have a "great welder/welding machine" that makes such work possible vs your actual skill.
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