116 98 6 Kickback .7 DesignING Class: Drawing a Volute .12 New and COOL: Dewalt Table Saw .48 Raising Gable Walls .62 Tools in U
Publisher: Gary M. Katz garyk@thisiscarpentry.com editor: Roe A. Osborn roeo@thisiscarpentry.com Art director/lAyout coordinAtor
Subscribe now for a chance to win a stabila ld 400 laser measure ! FREE! SubScribe to thiS iS carpentry
of s e l ty s d ts, an n s e s e liv pre e e r al s r c i e C h I v p T di ra t g ht a o i he g h b i t t r en wn ow o h ate m s
tecH prOble ms I like your new electronic magazine a lot, however your performance on every system I try is simply terrible. I t
8 I criticized your magazine last month but was very impressed when you got Now, I must tell you that the magazine worked very w
9 art Of tH e trade Thanks so much for all this help to a of the trade was lost to production. "Anyone can do it cheaper, but no
See John in action on page 129
I title drawing a Volute by Jed Dixon worked in finish carpentry and millwork for quite a while before I learned that you have t
in mill shops. In fact, a 75-year-old master named John Mesiti taught me woodturning, which got me into stair building. But I co
14 left their techniques behind in books; carpenters who left their work behind in old homes. While learning to build stairs, on
15 John Brown House, Providence, RI a whirlpool, where everything begins and ends—nothingness. But I’m going off on a tangent, a
16 Loading Video A Proper Volute: Conversation Machine-made volutes are primarily designed for just that—to be made on automatic
17 require long balusters and tall newels; a person starting up such a stair must raise their hand uncomfortably high. make rail
18 your own rail parts (yes! You’ll have to learn wood-turning, too, so you can make your own balusters and newel posts- but tha
19 tH e drawi ngs A volute is really made from two pieces: the scroll section, which is the portion of the volute that is level
20 Loading Video Drawing a Volute by Hand start witH tHe secOnd riser Here’s a few tips that should help you better understand t
21 straight rail meets the curved volute. I’ve found that 0 to 4 in. will work on most stairs: I want to design the stair so tha
22 The width of the volute also has to relate to the width of the rail; and it has to fit in the amount of available space—a nar
23 tH e sH ri n kback A shrinkback is the amount that the spiral decreases every quarter turn of the volute. In this case, with
24 For every quarter turn, I shrink 1 in. toward the interior of the volute, and each time I also draw a stop line at 90 degrees
25 The forth radius center point is established automatically, it’s the intersection of the spring line and the stop line from t
26 For the fifth radius, the shrinkback is 1/2 in. instead of 1 in., otherwise the spiral won’t close in on itself like a nautil
27 For the sixth radius, the shrinkback is also 1/2 in. instead of 1 in. And that completes the spiral. The center of the last r
28 Loading Video Volute Grain The scroll section is the level part of the volute. The pattern for the scroll section can be take
29 Loading Video Plan View-Folding TIp use the fullscreen toggle in pop up video We have the plan view of the wreath from the vo
30 wreath. You’ll see me turn the drawing in the video, but the Sketchup drawings included with the text start with the stair tu
31 pattern for the side of the block. I use a common shop class technique of drawing the elevation dimensions under the plan vie
32 Pattern and the Top Pattern; we’ll do the Side Pattern first. The second line. Next, draw a horizontal line across the bottom
33 we’re seeing now. Next, I draw the center line of the raked handrail by connecting the rise and run lines at the rake of the
34 elevation view, from the very top of the volute, where the straight rail meets the curved rail (see Line B). That line is rea
35 rail, so I add another 2 in. or 3 in. to the block; that is line L which becomes the glue line and the end of the block. The
36 drawing—that is the centerline of the level scroll section. I draw a line 1 1/8 in. above and below that centerline, establis
37 rectangle formed between F & G and the top and bottom of the horizontal rail. Believe it or not, that end grain section is th
38 below the centerline of the raked rail (Lines D & E). To locate the lower end of the block, draw a line (J) square to D & E,
39 The top pattern. Before starting the Top Pattern, extend lines F, G, & B to line D. By looking at the plan view of the volute
40 line D. That establishes the width of the block and the Top Pattern. Extending lines J & L to line H completes the rectangle
41 Next, draw a line 2 3/4 in. from and parallel to line H—that represents the inner edge of the straight rail (M).
42
43 Layout the Ellipses. Where line B intersects line D is the center point of both ellipses (P-1). Draw a line (B-1) square acro
44 Loading Video Using Drawing as Templates trammels—just remember, always set one of the trammel points on P-1! : For the outsi
45 Loading Video Drawing Volutes on CAD the video to see how Mike uses the paper patterns to cut the wreath out on the bandsaw.
Mold on Not on Your T Mold adds avor to the worlds most distinctive cheeses, b Protected Trim Boards come with a 30-year warrant
n Cheese Trim Boards. but no one wants to see mold on or in their home. WindsorONE+ inst rot, insects and mold. WindsorONE+ Prot
E dewalt dw 745 10-in. portable table saw A SeCoNd porTAble TAble SAw wITH A rIvINg kNIfe!! Send your ideas to: tristank@ thisis
Fortunately, tool manufactur- had been working on the same system together, so that every new portable table saw could be equipp
50 which usually results in kickback. A saw kerf can close for a variety of reasons, either from pressure built up in the wood g
51 enced earlier discusses the system in greater detail. The guard system on the DeWalt saw is very similar to Bosch’s guard sys
52 smoothly with the Forrest blade. Another problem I have with the DeWalt 745 is the blade elevation mechanism—it takes over 40
53 through the top of the guard, you don’t have to lift or remove the guard to check that the blade is hitting a measurement mar
54 DeWalt has definitely improved on Bosch’s clumsy and difficult-to-operate guard latch.
55 The 745 guard slides easily onto the back of the splitter/ riving knife — Simply lift the front of the guard and slide the re
56 DeWalt’s easy-to-use hardware for storing the plastic guard under the saw is similar to the Bosch, so storing the guard and k
57
58 Converting the guard from a splitter to a riving knife means lowering the splitter until it’s just below the top of the saw b
59 Then lower the splitter into the riving knife indexed position. DeWalt tried to think of everything with this saw. They even