Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www. You can also adjust the sliding rear clamp to any desired width with a quick twist of the tension knob. The biggest downside is that you are limited by the depth of the mortises, they are not UL listed (the last time I checked) and the upfront cost.

I mean say you have one at the top of your post and one half way down in another position is there an easy way to mark this out so it lines up perfect. but can never find much info, Eventually I wont to build my own home with log posts and sawn timber for the frame.For depth, you can plunge up to 6-1/8” and you can use the depth gauge to set the depth or your mortise. I'm building a timber frame barn and was contemplating cutting all of the joinery by hand (I have a lot of very good quality framing chisels, Japanese saws, etc. The main thing is really the impracticality of getting a 200kg piece of 200 x 200 oak into a position to be morticed. The team had some parts kicking around so they made a fixture to hold the chainsaw as it is plunged into the 4×4’s.

I have been looking onBay and gumtree for weeks and seen nothing useful, then two come along at once.

The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. Makita provides a limited one-year warranty on the Chain Mortiser Model 7104L that guarantees the tool to be of free of defects.

I have never used a Mafell, and could have gone with one but I had read that the SP had a couple of small advantages over the Mafell.I don't have any personal experiences with using a chain mortiser in log building, but I have used one in timber framing for many years. If the mortise is not big enough for the saw then I repeat drill out the mortise to depth and then chisel out. If you've done it, made it, got a van load of oily t-shirts and have decided to give something back by sharing your knowledge or wisdom, then you're welcome too. Im Just trying to find out what sort of saw and bar and chain combo People use for chainsaw Mortising ect In the log home building industry or any one else that uses this method?

One word about chainsaws, i'm an absolute fan of stihl, but for lightness, husqvarna can't be beaten. and if you have experience with the others what are the pros and cons to spending quite a bit more for something like the Mafell. The sword saw has a riving knife, but that doesn't appear to be useful for tenons as no cut will exceed 175mm. Electrical parts on the 7104L/2 have been changed to comply with the electromagnetic compatibility requirements.Scientific American maintains a strict policy of editorial independence in reporting developments in science to our readers. No branch of mechanics has received greater develop ment in the U n itled States than t h at which relates to woodworking. Can anyone tell me if they have purchased one of the used models from Japan and if they had any issues with voltage (Japan is 100v while USA is 110-120v)?