BE A BACK-TO-BASICS BOWYER
(Page 5 of 6)
OK . . . you've formed your arrowheads — steel,
stone, or bone — and cut the slots they'll fit into
on the arrow shafts. Now it's time to bind the points to
the shafts: Just slip the heads down into their notches and
apply a good wrapping of spittle-moistened sinew, as you
did with the fletchings.
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Once the heads have dried in place, your arrows are
ready to shoot.
For hunting, it's best to leave the shafts more or less
natural or to crest them with subdued colors. But for
target practice, you might apply decorative stripes to your
arrows . . . an artistic touch that will also help you
follow those erratic shots that will inevitably send an
arrow slithering beneath a cover of grass and leaves.
Set a large pot of water (a big coffeepot is perfect) on
the stove to boil. When it's bubbling, dip one end of the
bow into the water, up to about 9", and let it "cook" for
3-1/2 to 4 hours. While the bow-end is in its hot bath, cut
out a recurve form — as shown in an accompanying
photo — from a piece of scrap 2 X 4 lumber (you'll
need one for each limb). The exact curve of the form is up
to you, as long as it is not beyond the bending
capabilities of your stave.
When the first bow-end has finished boiling, place it over
the convex side of the form and secure it with two
C-clamps. The best approach here is to fasten the
tip of the limb in place first, then — using
the bow as a lever — slowly bend the limb back over
the form and clamp it down securely. (To keep the limbs
from getting dented, use small blocks of soft wood between
the clamps and the bow.) At this point — with the
first end of the bow locked over the bending form —
start cooking the other tip . . . then repeat the clamping
process. Now, give the bow a full day of rest in a warm,
dry place.
The next step is to remove the clamps and fine-tune your
newly recurved bow. Tuning is accomplished by removing a
little of the belly wood at the point just before
the recurve begins. I usually take off 1/16" to 1/8" of
belly wood, starting at the base of the recurve and working
back about 6" toward the handle. I find that after I've
done this fine-tuning, the bow has a faster action and
reduced kick, or jolt. (Some bowyers say that this final
shaving keeps the recurve's "ears" from snapping off, too.)
Once your bow is tuned, you can either sinew-back it or
finish it up as you would a longbow.
And if you want to give your hunting tool even more zip and
zing, you can add a reflex to the bow by bending the back
slightly forward. Just heat the handle area over a steaming
kettle of water for a couple of hours, then lay the bow
— its back facing down — over a small log, and
stand barefooted on the limbs until the wood has cooled (it
doesn't take all that long). This will produce a forward
curve, or reflex, adding even more punch to the weapon.
(Reflexing is especially important for extremely
short bows similar to the stubby "horse bows" that the
Plains Indians used so effectively against the tough-hided
buffalo.)
SINEW-BACKING BASICS
The two ingredients necessary to sinew-back a bow are sinew
from the leg and back tendons of animals, and hide glue
(made from hide shavings and hooves).
I prefer to use the leg sinew of deer and elk . . . though
horse, buffalo, cow, goat, and moose sinew work just as
well. If you're not a hunter — and don't know one
— arrange to buy tendons from the local
slaughterhouse. Usually, the people there will just give
them to you (and probably decide that you're a bit
strange).
After cutting the tendons from the legs and back of an
animal, prepare the sinew by removing the clear sheath that
holds the tendons together. Then place the exposed bundles
well above a heat source to dry. When they're no longer
moist, pound the tendons on a board, using a wooden mallet
or a smooth rock as a hammer to separate the bundles of
tissue into individual threads.
To prepare hide glue, put hooves, hide scrapings, and
dewclaws into a pot with just enough water to cover them,
and boil the "stew" for several hours. (To get a finer
consistency, you may want to skim off the scum that bubbles
up to the top of the boiling pot.) You'll end up with a
thick, glompy mass of glue that's perfect for the job of
welding sinew strips to wood. (An alternative to
homebrewing is commercial hide glue, available at many
hobby shops in both liquid and powder form. But the
store-bought stuff lacks the authen ticity —
and rousing aroma — of the homemade
material. You can forget about epoxy and other chemical
binders: They definitely won't work.)
When you get ready to use the glue, keep the container
warmed in a water bath atop the stove (120°F or
thereabouts is perfect), since at room temperature the
adhesive gets gummy and sets up too fast, especially if
your workroom is cool to begin with.
Prepare your bow to receive the glue and sinew by roughing
up the back with a hard, abrasive rock. Make sure the wood
is cleaned of any greasy fingermarks or dirt, then paint
the bow's back with hide glue that's been thinned in a
ratio of about two parts glue to one part warm (preferably
distilled) water. Next, wet the sinew strips and place them
— a few strands at a time — into the hide glue
to soak for a few minutes.
Squeegee off excess glue as you remove each piece of sinew
from the glue pot, and — starting at the longitudinal
center of the bow and working out toward the tips (or the
other way around, if you prefer) — apply strips of
glue-soaked sinew, laying them parallel to the limbs and as
straight as possible. Cover the entire back of the bow with
the sinew, and try to make a smooth job of it, staggering
the ends of the strands to avoid making seams. Apply sinew
all the way to the tips of the limbs, then fold about 2"
over to the belly side to strengthen the tips. Once the
back is sinew-covered, let it dry awhile . . . then apply
two or three more coats of sinew and glue. When you're
finished, let the bow rest for at least a couple of
weeks.
After the sinew has cured, shoot your weapon a few times at
half draw to see if it needs any more fine-tuning. If you
find that you need to even up the pull of the limbs again,
simply tiller the sinew just as you did with the belly wood
earlier. (Sinew works well under a mill file.) Finally,
finish your bow with a mush of rendered fat and deer
brains, as described for the longbow. This time, however,
don't place the bow near heat.
As time goes by, you'll find that the sinew continues to
pull against the bow's belly, producing a forward curving,
or reflex . . . but don't be alarmed, since more reflex
will only strengthen the weapon. After a year or two, the
sinew will have pulled all it's going to, and your bow will
have assumed its permanent shape and shooting
characteristics . . . and will last a lot of years
if properly cared for.
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