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Making a Mark - On Wood, and on Circ Saw Design
Issue: Issue 244
Posted Date: 3/9/2010

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Marking Dark Wood from WoodCentral

This discussion began with a woodworker who was about to work with a wood other than his usual -- and needed a different way of marking it than usual, too. - Editor

"I usually work with oak, and use a pencil to mark. It's easy to see on oak, and I use it for labeling parts, triangles for gluing up panels, and for sanding. When sanding, I put diagonal lines all over the surface and sand till they are gone, then it's time for the next grit. I use awls and knives to mark joinery. I'll be working on a project this weekend that will be using walnut. What is a good substitute for marking dark woods for these purposes that will not affect the finish? Does chalk do a good job, or is there something better?" - Ken

Some respondents said, yes, chalk does a good job for them.

"I am fortunate enough to own a bunch of walnut. I use chalk a lot. It was harder to find than I thought it would be, and I ended up with a box with about four colors. Turned out the colors are useful. Code stuff. Different colors for different things....Scribble on it and then sand the chalk off. When you finish, Inspect closely and blow the dust off. I have never had it happen, but it would be bad for the pink and chartreuse to show up as grain filler." - Barry

"I use chalk to mark all my parts. I've never had an issue with sanding or finishing due to chalk. In fact, you need to handle parts with some care or you can wipe it off." - Lee M.

Other respondents discussed the merits, demerits and suppliers of white pencils.

"A white pencil. Really. They make them and they work well. Art supply or office supply stores should have them." - Lee G.

"Also available in fabric stores. For dark fabrics. Different media, same solution." - Carol

"Art supply stores sell two or three different kinds of white pencils, and some are softer than others, so you might want to get one of each and see which works best for you. I found that I need to be careful with white pencils on porous woods because the pigment can get packed into the pores. If you're on your final sanding with 320 or some really fine grit, you might find that you need to switch back to a lower grit to get rid of the white. You'll figure this out soon enough." - Ellis

"The concern about porous woods also applies to chalk. Use only white or yellow chalk on oak, ash, etc. I've tried blue, green and red and had to sand mercilessly to get down to the bottom of the pores. White and yellow disappear if I use an oil-based finish or shellac, even when they remain visible in the pores after normal sanding." - Dave

And there were a few other suggestions as well.

"Blue pencil or blue in show up well on walnut." - John

"Blue or black gel ink pens. It dries to a reflective film that shows up brightly on walnut in good lighting. Find a brand that doesn't wick on wood. Pilot has traditionally been good for the task." - Bill

"Just bought some soapstone for use on metal, but it could be sharpened to a point if needed. No experience on how it comes off and am interested" - Jerry

Help? Cordless Circular Saws from Sawmill Creek

This discussion brought out interesting opinions from woodworkers about their tools when a college student asked some questions for a project on the circular saw. - Editor 

"I am an industrial design student at Appalachian State University, and I am redesigning the cordless circular saw for a project. Because of your expertise in the subject, I was hoping you would be able to help me by answering a few questions. Which is you favorite corded saw and what are specific reasons as to why you favor it over others? If you could redesign your favorite cordless circular saw, what things would you add or take away from it? Do you find a lot of complaints about circular saws being hard to use for left-handed people? What are the top things that most professionals look for when buying a circular saw? Any other complaints or suggestions?" - Ana

Track SawsWhile her design project focuses on the cordless circ saw, her questions solicited feedback on both the corded and cordless varieties. And, not surprisingly, when asked for their opinions about a tool, woodworkers had things to say. - Editor

"Add a removeable riving knife a la the Festool and Dewalt Tracksaws." - Van

"Make it plunge-able like the Festool or Dewalt tracksaw and make it to where it could ride on a track accessory." - Chuck

"I cut both right- and left-handed. Until Porter Cable came out with a sidewinder for lefties, I have always had to use a worm drive. My dad is left-handed, which always made using a circular saw uncomfortable for him, thus unsafe. Porter Cable has an adjustable grip that rotates to whatever angle you are comfortable with; that is reason enough for me to buy another should something happen to mine.

"Dust collection would be a nice touch, too, especially with how simple it would be to add. During every cut I make with my Bosch worm drive, I watch all the saw dust exit the blade guard and pile up behind the saw. Really, how hard would it be to add a 1" port right there going straight out the back?" - Mike Rei.

"Provide an adjustable stop for returning the base plate to cut square after making a bevel cut." - David M.

"My comments/complaints regarding circular saws relate to power (enough to actually do the job) and having good sight lines to see where I am cutting." - Ellen

"The saw I have the most of is the Skilsaw Mag. This is because parts are easy for me to get. The saw I like most is the Bosch 1677 because it has the built-in cord lock, the cord attaches directly to the back so you don't have to worry about about a knot in the cord six feet away [and] the plate is reinforced. The most important thing to me in a saw is the plate: Having it be stiff, flat, and square edges. Other things on the list include fluid adjustments and durable locking levers, and a built-in saw hanger. I am left-handed and have no problems using any style saw you put in my hands. As far as cordless circular saws, it would be nice if the battery lasted longer, but I have no complaints to speak of." - Glen

"One of my main problems has been lining up the saw for the cut. Ideally, there would be an adjustable index mark at the front of the plate." - David C.

"I'd love to see some sort of single 'power head' that would run a circ saw, drill/driver, small recip saw & offer a small chop saw accessory. A 'heavy-duty' power takeoff so it could plug into a vehicle's electrical system would be nice also." - Rich

"I have the 18V DeWalt cordless. I use it exclusively w/ Nano batteries. I find it very light, easy to control, and fine for cutting sheet goods, 2x, or 1x lumber. I enjoy using it very much. The left blade design helps me line my cuts up easier, too." - Mike Ree.

"For a circular saw, it really depends on what you are using it for. I use the Porter Cable 743 saw for framing. I am right-handed but, when framing, I prefer using a saw with the blade on the left so it is much easier for me to see the line (particularly when cutting sheeting on a roof). Lightweight is important, so magnesium-based saws are a plus. You also don't want a saw that is overly expensive, because if you drop it, it doesn't hurt as bad financially. Dust collection on this saw is horrible but, you really wouldn't want this for framing work anyway. For finish type work, I prefer the Festool plunge saw with guide track. The spring-loaded riving knife, dust collection, easy depth of cut settings, and splinter-free cuts are the best features with these saws. This saw has variable speed, but I never change it.

"Features to include in a new saw design are: Riving knife that is spring-loaded so you can plunge cut. Light weight. Incorporate a clip to attach a rope to haul the thing up to the second floor or roof. (I have seen way too many people haul saws up by the cords). Accurate and easy to adjust depth stops with scale as to the depth of cut. Easy to change blade with a spindle lock that you don't have to hold in while operating a wrench, holding the saw, and holding the spindle lock. Since you are working on a cordless design, more power and longer battery life. There is nothing more frustrating than being in the middle of a cut and having your saw bog down and die." - Steve


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