This thread links to a small selection of informative threads in the arc welding forum. There's a lot more good stuff that can be found with the arc forum search. To suggest useful threads for the library use the thread rating system. Click "Rate Thread" and vote for the thread. ---------------------------------------------------------------------- Tutorial Arc welding Tutorial Aimed at beginner arc welders but written with the help of professionals, the tutorial is aimed at getting you up and running with arc welding. Techniques Electrode positive or negative? What's the difference between DCEN (DC electrode negative DC-) or DCEP (DC electrode positive DC+)? The electrode is the rod holder. All is explained if you read through far enough. Summary on page 4. Arc welding machines Arc Welder Group Test Five arc welders compared, old vs new, cheap vs expensive, transformer vs inverter, AC vs DC. Only one of them blew up. Cheap vs Expensive Arc Welders A long thread with good information about the differences between cheap and expensive arc welders. Start at page 14 for more balanced views. Oxford Welders Advantages and disadvantages of Oxford Welders. Do I need an Inverter? What's good about them? Buying an Inverter Some thoughts on what to think about. What's inside an Inverter Welder? Photos and explanation. Running an arc welder from a generator Generators plus Arc welder. Learning to Arc Weld How to arc weld for beginners Info on how to start arc welding if you've never done it before. Learning with a cheap AC arc welder Information about arc length, amps, and rod quality. Current vs Speed vs Technique Current might be altered to balance other factors. ARC Welding Examples Runnach's photo gallery of student arc welds in various positions. Uphill stick welding It's tricky - some tips on how to overcome gravity. Rods Arc welding rod brands Members discuss their favourite brands of rod. Welding rods for learning Decent rods make learning much easier - cheap and expensive compared from page 4. Electrode drying Which rods need to be dried, and what temperatures. Antique electrodes Wrapped in asbestos! Other materials Hardfacing Some thoughts on hard facing a digger bucket. Bucket Repair - recommended rods Avoiding cracks in bucket repair. Lesson in Cast Iron Real live evaluation of different methods of fixing a broken vice. Stainless to mild steel Which rods to use and why. Stainless can be painless A discussion about polarity and stainless rods. Last post is very informative. Work flange jockey's pipe welding Lots of photos and explanations of pipe welding from a professional. flange jockey's flat welds Photos and discussion about pipe flange welding. ---------------------------------------------------------------------- Moderators feel free to edit this post to link to further threads. Sorry, this thread is closed as it's an index thread, but feedback is appreciated about the idea of forum libraries or in the arc sticky thread.