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wright1902glider wrote:
> Ernest Christley wrote:
>
>> I have welded a Delta together with a HF torch, and everyone that I can
>> get to inspect them (and I ask everyone) thinks they are just fine.
>> Just keep the tip clean and you'll have no problem. Gas welding torches
>> have been around for over 100yrs, and there really is not that many ways
>> to drill an orifice in a piece of copper/brass/whatever those things are
>> made of.
>>
>> I wouldn't want to do extensive welding of 1/4" anything with a gas
>> torch, though...unless maybe it was the dead of winter. A TIG or
>> wirefed MIG are much more useful there.
>
>
>
> Thanks Ernest. If the HF torch is good enough for all of that plumbing,
> it should work fine for me. Not too much 1/4" steel in a trailer, but
> there is a little. What size tanks do you recommend? Size is an issue,
> but the "porta-torch" tanks look a little small for any serious
> project.
>
> Harry
>
When I was heavy in it, doing lots of frame welding, I borrowed my
uncle's bottles. They're the largest ones that you can actually buy.
By Federal regulations, no one will sell you the larger bottles. But I
often had trouble getting Uncle's bottles exchanged until I set up a
relationship with a single vendor.
Now that I am done with all the big welding, I think the little portable
bottles have the benefits of not having to lug around all that weight,
or losing lots of gas to leak down as it sits in the corner. I will
probably settle on the intermediate size that the plumbers carry. It's
plenty enough to do something useful, but not a whole airplane, but
small enough to be fairly portable.
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Re: When trailers go bad 
