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DIY leather tool - Stitching punch
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I like the piece. For future reference, there is a steam bending technique for bending thick timbers. Primarily involves using a strap on the outside of the bend to apply pressure and prevent that side stretching and cracking. Then when you apply bending force, instead of the outside of the bend stretching and cracking, the inner side is forced to compress. Creating a steam chamber isn't at all difficult.
A Marking Gauge You Can't Buy
For rust, Liquid Wrench lives up to its name. I agree about the smell of WD-40. Cheap adjustables are just that. To avoid damage to an adjustable wrench, the movable jaw should be be on the side you would put your hand on the handle to push. And perhaps you misunderstand, I fully support use of the vise.
In my experience, WD-40 is not much of a lubricant or penetrating oil. It's slightly better than nothing, but a real penetrating oil works miracles. In a pinch, kerosene penetrates well. Using 2 nuts is a great technique. Using locking pliers is not, especially for any nut or bolt you intend to use again. Locking pliers often make future use of a proper size wrench difficult. A set of wrenches is well worth the investment, or a oversized adjustable wrench. For really stuck nut, a vice like you used on the locked nuts and a box end wrench on the other, would be my first choices. Well written instructable and the title is fine IMHO.
How to Make a UTP Cable
No one builds with components with only a .1% margin for over voltage, and there is no problem with lower voltages set all. Other components, such as capacitors, also have max voltages. With a circuit built for 12V, you'd see commonly see components rated for 20 to 25V, very rarely as low as 15V. BTW, I'm speaking from college training in electronics and many years in the field.
Motors are not a truly resistave load, rather they are an inductive load. One of the major reasons for electric motors failing, is heat due to increase current during voltage sags. Put an ammeter on a ,motor and drop the voltage. Or increase the load on the motor. Thus the reason we track of over current protection being important for LIon batteries.
Agreed. With motors going slightly over voltage would be better than a not under. Only risk would be if there are electronics controlling the speed and you exceed their max voltage rating.
Nice instructable. I have an older set of cordless tools, store brand, new batteries are special order and ridiculously expensive. I have a newer LiOn drill, but it would be great to revive the other tools. I've considered trying to rebuild the original packs, but upgrading to LiOn cells seems a great idea. thanks
Convert a black & decker cordless drill battery to lithium ion
Convert old cordless tools to Lithium power
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