Woodworker's Journal 1985-9-3, страница 45
This marble race may not seem exciting at first glance, but after several "test runs" we were hooked. If you are careful with the dovetailed joinery, and select an attractive hardwood for the construction, the marble race can be an especially handsome piece. Begin by cutting all pieces (A through E) to length and width. Allow a little extra length, however, for the runners (D and E). Using the router table equipped with a V* in. core box bit, rout the marble troughs in the base and in the long and short runners (see cross section). Several depth adjustments will probably be necessary, unless you have a commercial-duty router. Next, using the table saw, cut the various mortises in the two side pieces to accept the runners (see mortise details). Drill the Y* in. diameter marble drop holes in the top, and hand-cut the dovetails in the four frame members. In order to fit the runners, first dry assemble the race. Scribe and cut the runners carefully so they fit exactly. Then, again using the router table with the 3A in. core box bit, cut the marble drop grooves in the lower ends of the long runners (see top view, open end). Assemble the marble race, and drill for and insert Vt in. dowel pins as indicated to anchor ail the runners. Final sand and rub in two coats of tung oil. WvJ Marble Race ToyM0RTI5EA-A Bill Of Materials (All Dimensions Aclual) No Pan Description Size Req'd A Side W x 2Vt x 22 Vj 2 B Base V4 k 5 x 24 1 C Top % x 2 Vt x 24 1 D Long Runner t4x2'/<x23H 4 E Short Runner W x 2% * 13V« 1 MORTISE B'B TOP VIEW, OPEN END MORTISE C-C DOVETAIL LAYOUT note DETAIL, top View Artwork by Eugene Marino, 111 |
