Soldering iron videos

I have earlier posted about soldering irons. Here is a continuation to it with a set of interesting soldering iron tear-down and DIY videos from YouTube.

Inside the cheapest soldering iron on ebay.

How To Make a MINI USB Power Soldering Iron

Hot! Hot! Hot! Weller ROBUST Soldering Gun, BEB #21

Homemade Soldering Gun

How To make Powerful Soldering Gun