Archery Basics 
Common Bows
Olympic, or Recurve: The only type of bow
allowed in Olympic competition, as yet. Its
limbs curve away from the archer. This is the
direct descendant of the bows of antiquity,
differing only in the materials used and
refinements. The force required to pull an
Olympic bow increases directly with the distance
pulled. Compound: This bow uses cams and cables
to make the holding weight less than half of the
draw weight. These bows are favored by bow
hunters because of their greater accuracy,
flatter arrow trajectory and their ease of use.
Beginners are often referred
to the Olympic bow to start with, because it is
deemed more difficult to master. The force
required to hold the bow while aiming is
considerable, sometimes requiring an archer to
"let down" the bow without firing in order to
rest the back and arm muscles. Mastery of the
Olympic bow results in better muscle tone and
overall archery habits; once that is
accomplished the Compound bow represents a leap
forward in accuracy and force. Also, a Compound
bow is built for a particular draw length, which
may not be easily changed. Growing bodies will
grow out of compound bows swiftly in the teen
years.
The Recurve Bow
Bow handles (risers) are made of aluminum
alloys and are machined for a combination of
strength and lightness. Some bow handles are
made of a magnesium and aluminum mixture which
is heated to liquid form and poured into a mold.
Once cooled, it is cleaned, final machined and
painted. Some lower cost, children's bows have
wood risers, as do some rather expensive, hand
made bows. made bows.
Bow limbs are generally constructed of
man-made materials, such as fiberglass, carbon
and syntactic foam. The limbs store the energy
of the draw and release it to the arrow. The
string and the limbs are commonly removed from
the riser when the bow is not in use, allowing
for easy storage of the "knocked-down" bow.
Bows have stabilizers to reduce torque
(twisting) in the arrows upon release. They also
have sights to aid in aiming and rests to help
align the shot.
Most bow strings are made of either "Fast
Flight", a hydrocarbon product that also has
medical and other uses, or "Kevlar", the
material used to make bullet-proof vests. The
important point to be made about the string is
that it must not stretch under normal
environmental conditions, as that would change
the bows pull weight and make consistency
impossible. A layer of string material called
the serving is placed where the arrow is nocked
to snugly match the notch on the arrow, and a
small ring is permanently placed on the serving
to mark where the arrow rests when nocked. A
small button, called the kisser button, is often
used to assure that the back end of the arrow is
always pulled back to the proper, repeatable
anchor point. When properly drawn, the kisser
button rests right between the lips.
An arrow is pulled back to the anchor point
using the middle three fingers of the draw hand.
These fingers are often covered with a glove or
a leather "tab" which protects the fingers. A
tab may have a metal shelf built in so that the
two fingers on either side of the arrow do not
squeeze it.
On Olympic bows a clicker is a small,
spring-loaded lever that is held out away from
its resting point by the arrow. When the arrow
is drawn back to exactly the same point each
time, the clicker slips past the tip of the
arrow, producing an audible "click", which tells
the archer he has the arrow at the same,
repeatable release point. This causes very close
to the same amount of tension to be used on
every shot, so the arrow flight is the same.
A sight allows the archer, when the arrow
is properly drawn, to line the bow up with the
center of the target by eye. The sight generally
has adjustments in up-down and left-right
dimensions with caliper-style read outs so that
ageing equipment, weather, temperature and
distance to the target may be accommodated.
Olympic archery allows for sights which do not
have lenses or electronics associated with them.
Arm guards and chest protectors protect the
skin from string burn, as well as provide a
low-resistance surface that the string may skim
over easily upon release. A pair of binoculars
or a sighting scope allows the archer to see the
arrows in the target, and thereby make
corrections to the sight as required. A quiver
to hold arrows and other paraphernalia completes
the archer's accessories. The NAA, in accordance
with FITA rules, has established a dress code
that is used at all NAA tournaments; this
accounts for the "whites" look of the
competitors.
The Compound Bow
The Compound bow, unlike the Olympic bow,
is never knocked-down between uses. The great
tension preset into the lambs can only safely be
countered when the bow is couched in piece of
equipment called a bow press. The cams are
synchronized when this is done, and are held in
place by the tension. Compound bow cases must be
able to accommodate the entire bow.
Because the Compound bow's forte is
accuracy, equipment which increases the accuracy
is deemed fair for compound use while it is not
for Olympic archery. The site may include
electronics and/or lenses to increase accuracy,
and a release, rather than fingers, may be used.
A release is a mechanical "finger" that grips
the string and releases it when the trigger is
pressed by the draw hand.
The Arrow
Arrows in the recurve (Olympic) bow events can
travel in excess of 150 miles per hour, while
compound arrows can fly in excess of 225 miles
per hour. The shafts are made of either aluminum
or aluminum with carbon fibers. Aluminum arrows
are more uniform in weight and shape, while
carbon arrows fly faster and provide less
cross-wind resistance, and are therefore more
useful in long distance outdoor archery.
The business end of the arrow is weighted
and tipped with a target point, designed to
penetrate but a short distance in the target
butt. Hunting arrows, of course, use a
different, extremely sharp cutting point called
a field point. All NAA sanctioned events use
only target points, except for certain Flight
archery events.
The other end features a nocking point, a
plastic cap glued or otherwise attached to the
end of the arrow. Its fingers grip the string
until flung loose, and it provides a protection
for the shaft by deflecting hits from later
incoming arrows. This generally destroys the
nock, but leaves the arrow reusable. Sometimes,
of course, the aim is too perfect to deflect;
the resulting "Robin-Hood" is both spectacular
and expensive, as both arrows are usually
destroyed.
On the shaft itself fletching are glued to
stabilize the arrow's flight. Sometimes they are
glued in such a way as to cause the shaft to
spin around its long dimension, further
stabilizing its flight at a cost to its flat
trajectory. The fletching are generally three in
number, one of which (the index feather) has a
different color than the other two. The nock is
installed gripping the string perpendicular to
the odd fletch, so that it's friends both brush
the riser equally, minimally disturbing the
arrow's flight.
Fletching may be plastic "feathers" or
solid vanes, in a variety of shapes, lengths
and, of course, colors.
Markings, called crests, may be drawn on
the arrows at the owner's discretion. However,
the NAA requires that all arrows be marked with
the owner's initials so that they can be
unequivocally identified while embedded in the
target.
The Basics
of Target Archery
Archery is a sport in which the participant uses
a bow to shoot arrows at a target which has ten
concentric circles. The score of each arrow
depends upon where it lands on the target. The
highest score, a ten, is achieved by shooting an
arrow into the center, or bull's-eye. Scores go
down from nine for the next circle out to one
for the outermost circle. Missing the target
results in a score of zero for that arrow. For
indoor compound archery, a ten is scored only
when the arrow lands inside the inner ten ring.
After each end of arrows is shot, the arrows are
scored. The number of hits (non-zero scores),
tens and Xs (hits within the inner ten ring) are
also recorded for the purpose of breaking ties
in the final scores.
Outdoor
Most major outdoor target archery
competitions in the U.S. follow the same format
of a FITA Round followed by an Olympic Round.
The FITA Round consists of 36 arrows shot at
each of four distances (90, 70, 50 and 30 meters
for men; 70, 60, 50, 30 meters for women) for a
total of 144
arrows. Scores are then totaled to determine
seedings into the Olympic Round. Arrows are
generally shot in groups (called ends) of six
within a specified time
period.
The Olympic Round is a direct elimination,
head-to-head style of competition, all at 70
meters. The winner of each match advances until
a gold medalist is
determined. All matches are 18 arrows, except
the quarterfinals, semifinals and finals, which
are 12-arrow matches.
The U.S. Target Championships utilize a FITA
followed by an Olympic Round. FITA scores are
totaled to determine seeding into the Olympic
Round. The targets used at outdoor events have
122 cm diameter faces.
Indoor
Indoor tournaments are held for the Olympic
(recurve) and Compound Divisions. Olympic
Division events are generally held at either 25
meters or 18 meters.
In a 25-Meter Indoor Round, archers shoot 60
arrows at a 60 cm diameter target face. In the
18-Meter Indoor Round, archers shoot 60 arrows
at a 40 cm
diameter target face.
Championship events employ a Grand Indoor
Round which starts off with a Combined Indoor
Round (both 25-Meter and 18-Meter rounds)
followed by a direct elimination competition for
the top 16 archers. These direct elimination
matches are 15-arrow matches shot at a special
20 cm diameter target face.
For the compound division, a Combined Indoor
Round includes 60 arrows shot from 25 meters at
40 cm diameter target face. A Double Compound
Indoor Round includes two successive Combined
Indoor Rounds.
The Grand Indoor Round is used in
championships. It consists of a Double Compound
Indoor Round from which the top 16 archers go
into a direct elimination
with 15-arrow matches from 25 meters at a
special 20 cm diameter target face.
Archery's
Costs
Beginners' Level: Equipment can be rented for
approximately $3. Used beginners' equipment
(bow, arrows), can be bought for less than $100.
Beginners' equipment (new) can be bought for
about $100. Basically, archery is like golf when
it comes to equipment - if you want to go out
and buy top of-the-line equipment at the start,
you can spend up to $1,500 or more.
Competitive Level: Equipment (bow, arrow,
sights & other accessories) can range from $800
to $1,500, or more.
The Metric
System in Archery
Since FITA is an international organization with
a French name, started in France by Europeans it
is not unusual that it should have chosen to use
metric measurements rather than English one.
However, the English system, and the influence
of British Archery tradition, have not gone
unfelt. The traditional indoor shooting distance
was 20 yards; the metric equivalent of 18 meters
is only about a foot shorter, a trivial, though
duly marked, difference. The target sizes of 40,
60, 80, and 122 centimeters closely match
English equivalents of 16, 24, 32 and 48 inches.
Longer shooting distances are approximated with
this chart:
|
Meters |
Yards |
|
30 |
32 |
|
50 |
54 |
|
60 |
65 |
|
70 |
76 |
|
90 |
98 |
In the end, archery is a mental game of skill
and coordination. The ultimate aim is
consistency; the ability to do exactly the same
thing over and over again. The skill must be
learned into habit through practice, while
providing the ability to recognize and
selectively correct out or incorporate changes
into the archery routine.
This
page was made possible by the National Archery
Association.
|