I have been using an old Forney AC welder for about 40 years or so. It has solid copper
windings and no fan in the box. The transformer itself probably weighs a 100
pounds. Most newer welders are made with aluminum windings and have a fan to
cool the transformer windings. Copper is better than aluminum as copper has
less resistance. Of course a welder with silver windings would be the best but
I doubt they exist except maybe as a prototype. My welder is a 180 ampere
version and you can weld basically continuously for at least a half hour or more.
I have tried these newer welders with the aluminum windings and they simply
don't work as well as my old Forney. If I were in the market for an AC welder,
it would be something old with the above mentioned characteristics.
I'm sure there are new quality welders available but they are going to be expensive.
My advice would be to find an older unit but I am probably biased so you will
have to make up your own mind on the subject.
Mine is big red box and has a low and high ground and has plug-ins for the various
amperages. Hopefully this is useful information for you.
As far as the company goes, I know nothing.
I am researching for my first welder and came across the Forney company in Colorado. I am considering their ac/dc stick welder. I understand their welders are made in the USA and have a 5/3/1 warranty.
It is a big heavy green machine.
Can any here comment on the welder or the company?
Thanks