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Archive for June, 2014

Welding with jumper cables and a pair of batteries

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Uploaded on Sep 18, 2011

This is a short video demonstrating how to weld steel using a pair of batteries and a set of jumper cables. I’ve used this method out on the trail lots of times and it comes in handy when you find yourself with broken parts out in the middle of nowhere!


While I would not recommend using this as your primary shop welder, it does work well in an emergency situation. Adding a few pounds of welding rod to your toolbox is excellent insurance against a long walk home!


Common questions that seem to keep popping up:

What electrode did I use in the video?
I believe that I used 1/8″ 6011 in the video, although the electrode choice depends on the material you intend to weld. I’ve found that 6011 or 7018 works well for most trail repairs

will it destroy the batteries?
No; I’m certain that it isn’t GOOD for them, but when done properly, this method of welding draws roughly 150 amps…similar to a starter motor or a lightly loaded winch motor. A typical 8000lb winch under full load can approach 500 amps; WAY more than this welding method. From the battery’s perspective, there is little difference between trying to start your vehicle for 15 seconds or welding for 15 seconds. One of the batteries in my Samurai is the same 9 year old battery that has completed dozens of trail repairs.


Will the batteries explode?
I’m sure there is probably some calculable (albeit minimal) risk. It is rare, but faulty batteries have been known to explode when placed under a heavy load. Batteries offgas very little under discharge (there may be some H2 and O2 gas left in the cells from the last charge cycle, but the concentrations are so low there is almost no risk. The discharge cycle does produce a small amount of aqueous hydrogen, but this remains in the electrolyte and does not leave the battery). The hydrogen and oxygen gas they produce under charge IS flammable and can explode; so don’t charge the batteries and then immediately weld next to them. As the discharge rate is similar to an engine starting, there is no more risk of the battery exploding during welding than there is during an engine startup. When was the last time you heard of a battery explosion that WASN’T related to somebody hooking up jumper cables backward or some other kind of operator error? Don’t let a fear of a battery explosion keep you from using this technique to complete an emergency trailside repair. I would be foolish to say there is no risk, but the risk IS minimal.

What have you repaired on the trail with this method?
1 Samurai tie rod end, one beadlock bolt (got ripped out of the wheel, causing a large leak), one XJ tie rod, one air intake horn on a VW diesel engine, one Land Cruiser frame and steering box, one off-road trailer frame, two different lower shock mounts, one spring plate, an upper wishbone for the rear axle on a Suzuki Sidekick, and I have used it about a dozen or more times for quick “band aid” repairs around my property. I have watched other people use this quite a number of times, and a friend of mine even built an entire rollcage using this method.



The Do-it-All Israeli Bandage…Survival in an instant!

We talk a lot in survival circles about food, water, security and shelter, and rightfully so. These pillars of preparedness take time and money to develop, and at least some small amount of training or education to effectively execute. However, the most instantaneous threat to survival is traumatic injury, such as severe blood loss. This kind of emergency creates a difficult to control, emotionally charged survival situation generally requiring more than one respondent to effectively treat, and a fairly skilled medical professional and a hospital environment to eventually overcome. Here success is defined as life, failure as death, and how quickly and effectively we react can make all of the difference.


Welcome the Israeli Medical Combat Bandage. Named for the military medics that created it, and originally used effectively in Bosnia by NATO forces, this trauma-ready compression bandage effectively consolidates at least four primary medical devices or requirements when it comes to staunching severe blood loss:
– primary sterile dressing
– direct pressure application
– a secondary dressing
– effective dressing closure

Perhaps the most important element is the ability to be applied by a single individual without the need for constant manual direct pressure. Constant compression is achieved through a strategically placed pressure bar that allows the bandage to pulled back upon itself, pressing the no-stick primary dressing directly onto the wound. The Mayo Clinic suggests at least 20 minutes of direct pressure, a tightly bound and sterile dressing, and immobilization of wound areas as key elements in effectively treating hemorrhage or traumatic blood loss. The Israeli bandage tackles these with flying colors.


It’s also possible to constrict blood flow through a tourniquet operation using the retention clip. This easy to manipulate closure device insures the integrity of the bandage and consistent pressure in all situations.

Coming in both 4” and 6” pad sizes, this bandage is an absolute must for your bug-out bag, 72-hour kit and emergency medical supply kit. It’s the one first-aid article that you MUST HAVE in your survival stash! We just hope you’ll never actually need it!