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Finishing Touches

By Dean Torges


Our bows milled and ready to be braced, let's get to the business of stringing them up. Before we begin, a word about our enterprise. Please award as many of these following tasks to small hands as you can. Though I coach them as instructions to you, you must in turn decide which of your helpers can do what.



String


Number three braided Venetian blind cord (3/32 of an inch thick) makes a quick and economical bowstring for kids' bows. Thick and soft enough that it doesn't need to be served, it can be shot bare fingers. It stretches with use, though, but we can compensate for that either by tying a timber hitch on the bottom nook, or by making the top loop an adjustable knot. Directions follow for the latter alternative.

To tie a quantity of these strings quickly, make a simple string jig by pounding two 6d finish nails part way into scrap stock at a distance three and one half inches shorter than the nock shoulders of the bows.

Cut the cord(s) 10" longer than the distance between the nails. Around one nail, tie a small bowline so that it will fit snugly over the lower nook.





Stretch the cord to the far nail. Begin an overhand knot about 1 1/2" short of this nail, then pass the tag end of the cord around the nail and back through the overhand knot.

Snug up the overhand knot and tie a figure eight knot into the tag end of the cord so it cannot pullback through the overhand knot.



You can shorten the cord when it stretches by pulling on the tag end of the figure eight to decrease the loop and then retying it closer to the overhand knot. If the loop grows too small over time, simply retie the overhand knot further down the cord.

Tiller


We began this series on the premise that laminated staves make bow building predictable. Several important principles derive from this premise, but none more attractive to the tyro than the prospect of mechanical tillering. "Mindless tillering" I called it-the prospect of arriving at tiller fearlessly-no mumbo jumbo, no incense on the end of the work bench, no invocation of inscrutable spirits, no guess work, no dumb luck. Self bows must accommodate a stave's every aberration, nuance and undulation in the tillering process, and therefore require a steady stream of decisions and evaluations. Laminated bows glued up from clean stock come to tiller with mathematical precision.

The reason is that the act of lamination makes wood homogeneous. This homogeneity allowed Forrest Nagler, in “Archery: the Technical Side,” to prescribe the exact measurements of width and thickness at intervals of
length along a backed stave such as ours with the certainty that should the bowyer focus upon arriving at these measurements, the result would be a bow tillered to full compass, within certain weight limits as well.
I have seen bows made in obedience to these measurements, and they came up fine bows indeed. Bows of consequence, by deference.

Our technique for tillering required much less attention to detail. Its only prescription was a uniform taper from the handle area to the nooks. If we tillered with a jointer and paid attention, the bows came off the jointer table fairly well tillered. If we attempted the taper by hand, say with a jack plane as shown in photographs in the preceding essay, chances are good that the bow has flat spots or weaknesses in the tiller because the layout was imprecise or because hand planing removed wood unevenly.

String up some bows and let's look at them.





The bow in the background with the uniform taper came that way off the jointer table. The bow withy walnut handle riser in the foreground was hand planed to pencil marks scribed on the stave's end.The top limb shows more stiffness than the bottom limb. See how much closer the string comes to the upper limb than to the lower?


Remedies to tiller are simple. Scrape or plane wood off the stiff areas; stay away from hinged areas,sections of limb that bend too much. Stop removing wood when the bow responds by forming a gentle arc in the braced position. Don't worry about weight on these bows. They should end up under 20 lbs.,and kids will know how far to pull them.


 

Handles



Time now to form a handle. A variety of possibilities are available to you. For example, if you didn't glue on a riser, mark out about a four inch section in the middle of the bow. Wrap it with drapery cord, anchor it at both ends with upholstery tacks, and secure it completely by swabbing the cord with a wash coat of glue and water, mixed about two parts to one. Shellac or varnish it after it is dry. You may wrap a handle/riser combination the same way, providing the young shooter a corrugated grip.



 

 


If you wish to fill out the grip on a bow without a riser, tear old bed sheets or similar cotton rags into strips of random length in widths about 1/2 inch. Soak them in a wash coat of glue, about 3 to 1,squeeze out excess moisture and wrap them to form a grip in whatever shape you wish. They will dry and hold their shape. Either shellac them as is, or wrap them with cord, glue them down again and then shellac them.



Finish


Assuming that all sharp edges have been radiused, that the bow is tillered and sanded and handled, it is time to seal things up.

Lots of possibilities exist for a quick, easy finish. Water borne varnishes apply with a cheap disposable foam brush, dry quickly and are odorless. Paraffin, as described in Chapter 9 of the bow series in Traditional Bowhunter also works nicely. However, the paraffin must be hot to flow into the wood, so the danger of small hands attracted to a hot, messy, gooey task should be considered.

l would recommend shellac. Amber or white. Kids can swab it on with foam brushes or wipe it on with a cheesecloth pad dipped into the can. In either case, disposable latex surgeon's gloves help keep clean-up to a minimum. Steel wool between coats and over the last coat to smooth the finish ski.

If your intention is to decorate these bows with patterns or figures, avoid the paraffin finish. Shellac works better than varnish here. Lay down one or two coats, sand them out lightly, and then use colored markers on felt tipped pens for your artwork. If you try to draw on raw wood, the ink will fuzz away from your lines, and it may bleed into the finish you choose to cover over it. However, almost any felt marker works on the top of shellac.

 

Mitch Grogg and friend, with a hickory bow inspired by Stickbow that he whittled and decorated himself.



A word about shellac. If your crew has a tendency to glob it on, one coat may be enough. Too many coats and shellac gets splotchy. Two coats with a sponge brush, one followed by the second within 15 minutes, should be plenty. Steel wool after the second coat has dried to smooth up the finish.Note, too, that shellac has a shelf life. If yours does not dry within minutes of application on a test piece,if it remains sticky, take it back to the store for a refund.



Copyright 1997, Dean Torges
SELFBOWS menu
Beginnings part I
Bending Wood part II
Finishing Touches part III
Gluing Rawhind and Veneer to Self-bows
Gluing Rawhide and Veneer to Self Bows, Part II

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