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Back in the day ... before mobile phones, tablets, computers and even hand calculators people invented amazing devices to aid in mathematics and calculations. In fact, many of these devices are still in use in some industries today because they are still as fast and as accurate and anything invented since then.
One of the items that fits this category is something called the Lumber Rule. They are still being manufactured today, though in much smaller quantities. The only real disadvantage of a lumber rule is that anyone who uses one is probably also carrying around a smart phone, which ... will do the same thing, kind-of, though often slower, and the smartphone still needs a tape measure to go with it.
Click here to see a Lumber Rule on Amazon ...
I have seen these Lumber Rules listed on a different auction sites, for some pretty serious money, I guess anything that is perceived to be "old" must be expensive (???) So I decided to make my own version of a lumber rule to help me quickly figure out the board feet contained in a board so that I can know how much that board is worth.
If you are at the lumber store and are only buying one of 2 boards, or some small quantity, who cares? ... a smartphone, or even just a tape measure will work fine. IF - however you are buying a quantity of boards, or you are wanting to compare prices of different species in the lumber store, and do it quickly - nothing will beat a Lumber Rule for accuracy and speed.
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For the purposes of this article, there are basically 2 kinds of electric motors, "brushed" and "brushless". Brushed motors have been around for about 150 years, but vast improvements in the early 1900 have left them almost unchanged since then, and for what they are, they are an excellent, efficient motors.
With the invention of the transistors in the 1960s, motor development took another step forward with the invention of the brushless motors. It is only because of higher technologies that these motors can work in a high enough efficiency to make the commercially viable because instant internal switching needs to occur.
Milwaukee of course have taken some of the early steps in this field by producing a series of brushless drills, Impact Wrenches and Hammer Drills.
In Brushed motors, there are something called brushes that make contact with a specific part of the armature of the motor, the part that spins. In a brushless motor there are no brushes, the spinning is done by using permanent magnets and and switching poles internally in the motor in order to make it spin. Here is a great video from Learn Engineering that explains in detail how this works and compares it with brushed motor ....
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Before starting any project, it’s important to take a few minutes to make sure all of your equipment has been properly adjusted. Your table saw will give the best results if the miter slot and the rip fence are adjusted parallel to the blade. If either of these are not parallel, your cuts and your finished work will be lower in quality, and the risk of kickback will be increased. Here’s how to make sure your table saw blade is aligned to the miter slot.
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Disconnect the saw from the power source: A common sense step that is so easily forgotten when we’re excited to start a new project
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Wood routers have been in use for the better part of 50 years, but for new woodworkers they still represent a bit of mystery. Part of the reason for this is that routers are capable of so many different kinds jobs and there is really no other tool that can replace the work they do. Another part of the confusion comes from the styles of wood routers which is either “fixed base” or “plunge” which always prompts the question, which is best?
I am frequently asked about routers, what brands, what types, what features and in general terms I tell people that a plunge router will do everything a fixed base router can do, and more. Like everything there are trade-offs and the disadvantage with plunge routers is they are bigger and bulkier and actual plunge feature is not really often used so it's really nice to have both. Such is the case with Canadian Tire's exclusive “Maximum” dual base wood router. I comes complete with both a plunge and fixed base and is quick and easy to switch between them.
http://www.canadiantire.ca/MAXIMUM I must say, whoever designed this router, knew their way around wood routers. It's a nice design and has all the features that anyone would need in a router package.
The router itself is an 11 AMP, 2 HP unit which means it can handle both 1/4” and 1/2” bits which is important for anyone who wants to use the larger bits for things like making cabinet doors, windows and many of the other larger bits for making things like crown mouldings, base boards and similar items. Almost all of these bigger bits are available only in 1/2” shank size and require routers with higher horse power to drive them.