Table saw flesh sensors are a brilliant and clever piece of engineering. Sawstop revolutionised the industry when they came up with this technology. Human skin is a good conductor of electricity where is wood isn’t. So, the system works by passing an electric current through the table saw blade its self and when it’s cutting wood it’s fine as there is no conductivity between the wood and the blade but as soon as it hits human skin and becomes conductive it triggers an electric brake that stops in the blade in only 0.02 seconds. You may end up with a small cut but at least you won’t lose your finger or worse. There are quite a few different versions now on the market so we would advise you to read plenty of table saw reviews and do you research into the different systems to find the best one for you.
Replacing the hugely popular outgoing W1824, the W1851 is a brand-new Shop Fox hybrid with the same enclosed cabinet as you’ll find on the W1819 alongside features more in line with a contractor’s saw. We chose to review the W1851 as it’s a more flexible option than the W1819 and appeals to a broader range of woodworkers. We rarely review brand new products but in this case we made an exception… With a brand like Shop Fox, it’s not a case of taking a chance but of betting on a winning team.
The Bosch 4100-09 offers many advanced features, making it a very capable table saw for woodworking. The air-filled wheels and gravity rising stand makes this table saw functional and lightweight. Set up and tear down of the table saw is a breeze. This technology allows the table saw to be moved from place to place, even over the most rough and challenging areas of the work site. The 4100-09 weighs 39 pounds, making it the perfect portable table saw. Although it is lightweight, it is very durable and stable.
A magnetic switch is also good from a safety standpoint but may not be necessary on these smaller versions. A magnetic switch prevents the saw from starting back up if it loses power during a power outage. Basically, the power outage will turn off the saw. This is good because if for some reason the power were to come back on when you were not near the machine, the material could be shot out of it or damage the saw.
For benchtop and jobsite saws with direct drive motors, the motor RPM is the blade RPM. If you’re considering a contractor or cabinet saw, it’s a different story. In any event, Pro table saw RPMs generally range from 4000 – 5000. Don’t let numbers on the lower side dissuade you. There’s a limit to how much power you can draw and each manufacturer has to decide how they’ll channel it between blade speed and torque. So higher isn’t necessarily better.
Editor and "serious woodworker" Chris Marshall tests five "premium" portable table saws. After equipping each saw with a new Freud thin-kerf blade, he uses them to rip lengths of medium-density fiberboard (MDF) and yellow pine, as well as making long dado cuts in MDF. Marshall considers the saws' stability, cutting accuracy, efficiency, dust collection, and general ease of use to choose his top picks. Unfortunately, two of his three favorites are discontinued.
The power transfer system is neatly done. The model features a serpentine belt which is quiet and smooth during operation. Therefore, the level of noise is satisfactory. Precision is something that makes this model worth checking out. Whether you’re a professional or a beginner, you’ll definitely appreciate the accuracy of this model. On the other hand, with great things come great responsibilities. Don’t forget to wear safety equipment!
The machine has a more conventional rip fence/rail arrangement. The right half of the rail assembly folds out so the saw can achieve its full 30″ of rip capacity — wider than any other model here — but the fence would not slide smoothly over the rails without catching on the hinge joint. While the rip fence did maintain its locked settings, it lacks the heft and build quality of the competition.