DARTS: HOW THEY WORK, HOW TO MAKE THEM. By
Ray Strischek
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Dart:
Material Length Weight Center Point / Balance Point Fletching
Cup Flexibility
Too: Long or Short
>>>>----------------------------/-----------/------------------->
Thin or Thick Flexible Center Balance Stiff
Stiff or Springy Point Point
Heavy or Light
Point End Heavy or Judiciously Distributed Weight Throughout Length
of Dart Shaft.
Correlations between: Dart Length and Atlatl Length
Dart Weight and Atlatl Weight
Dart Flex and Atlatl Flex (Rigid, flexible, elastic atlatls)
Dart Flex and weighted versus un-weighted atlatls
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THE DART:
So why don't they call it a spear? I don't know.
I don't know anyone who does know. All I know is that a dart is
intentionally quite flexible, and a spear (the jabbing, thrusting
kind) wasn't meant to be but sometimes is a little flexible for
hand thrown spear purposes (RE: the Javelin in the Olympics).
A good dart is flexible.
In fact, a non-flexible spear will not even work
with an atlatl. As the cast is made, the point end
goes immediately and extremely vertical, and then falls back out
of the sky the same way.
Because the shorter atlatl is levering and moving
forward faster than the longer flexible dart, the dart bends,
flexes, basically trying to get out of the way of the oncoming
atlatl. Thus flexed, the dart shaft has stored up kinetic energy
so that when the dart actually separates from (springs off of)
the atlatl, the kinetic energy thus stored in the flexing dart
is released, added to energy of the human provided force of throw
and the human provided torque from the flicking wrist at the end
of the cast, all of which gives the dart its sum total of distance
and penetration, and its wobble/snake like travel through the
air.
How flexible should a dart be?
Here's a simple field test that works for darts
6 to 8 feet in length. Hold the dart with one hand at the butt
end of the dart. With the other hand, hold the dart two feet from
the butt end. Hold the dart chest high and horizontal. Moderately
wag the front end of the dart up and down. If the front end wags
(flexes) up and down between 12 and 24 inches distance, the flex
of the dart is useful. More than that, and you might as well be
trying to cast wet spaghetti. Less than that will demand a lot
of force of throw, a lot of weight up front, a lot of fletching,
or be so stiff as to be useless. For darts 5 to 6 feet in length,
the range of wag (the "wag test") should be 8 to 18
inches. As my personal bias is for longer darts, I consider any
dart less than 5 feet long to be useless no matter what its range
of wag is.
If you have a dart that works really well for you,
do this simple "bend test": Lay two feet of the point
end of the dart on a table so that the rest of the dart is hanging
off the table. Put a concrete block or other heavy weight on that
part of the dart lying on the table. At the rear of the dart (hanging
off the table) tie on a specific weight, say perhaps a half pound
or a soft ball or a shoe. Measure the deflection, the distance
from dart level and straight, to dart bent by the weight. Try
to make all your darts just like that one, same diameter, same
length, same weight, same fletching, and, same amount of distance
in the "bend test". And no, it won't be easy. Generally,
out of every 10 cane dart shafts, I can make 3 that are about
the same. Consistency is easier to find with one diameter wood
shafts or mass produced aluminum tubing.
It is a personal preference issue as to how much
flex is good for the individual atlatlist; something learned from
practice and experimentation over a period of time. I tend to
prefer stiffer darts, wag range of 12 to 18 inches, for my 8 foot
darts. Most other atlatlists tend towards
more flexible darts in the 16 to 24 inch wag range.
Richard Lyons of Jeffersonville Indiana invented
a sort of dart stress test rack. A length of wood marked off in
the metric system stands vertical. The dart point sets on a base
at the bottom. A cap above is pulled down onto the butt end of
the dart. The pull string is tied to a measuring device. Pull
the cord and the dart is compressed until it begins to flex and
thus the "spine" strength of the dart is measured. Call
this the "spine test".
The end result is the same as with the "wag"
and "bend" tests. Find a means of comparing darts for
the purpose of obtaining a matched set of darts. Consistency,
the key ingredient of accuracy is easier to obtain when practicing
with multiple darts that are relatively the same.
Here's the problematic deal for dart flex:
First: Flexible means the darts bends.
Kinetic flexibility speaks to the issue of how fast a dart snaps
back to its original straight self after being flexed.
By way of example: Aluminum, Plexiglas, and Bamboo
darts have more kinetic flexibility than
River Cane and Wood darts. Slight changes in the force of throw
create a much more dramatic and immediate change in dart flight
behavior with aluminum, plexiglas, and bamboo, than with river
cane and wood. By comparison, river cane and wood are almost user
friendly in that slight changes in the force of throw will not
much effect dart flight behavior.
Below is an "in-my-opinion" chart of the kinetic flexibility
"merits" of various dart shaft materials:
Material Quality Usability
Single Diameter Aluminum Shafts: Hyper Kinetic Serviceable
Single Diameter Wood Shafts: Wobble Wobble I threw all mine away.
Single Diameter Carbon Shafts: Wobble Kinetic Serviceable Plus
Bamboo Shafts Briskly Kinetic Good Stuff, Man.
River Cane Shafts Fine and Dandy Kinetic My Favorite
Fiberglass Fishing Pole Shafts: Fine and Dandy Kinetic User Friendly
Tapered Wood Shafts Fine and Dandy Kinetic User Friendly
Re-packaged Aluminum Shafts * Briskly Kinetic People I Know Love
It.
Other Unknown Unknown
* Re-packaged aluminum shafts. Several modern atlatlists have
fooled around with single diameter aluminum shafts in order to
make "good darts" out of them.
Unlike the bow and arrow, for which thousands of
devotees have recorded every word ever spoken on the subject,
and, spent their whole lives and fortunes re-engineering the original
design, the atlatl and dart has very little recorded history,
and, almost everything we know, comes from a trade off between
archaeological fiend notes and "what it is and where I found
it" archaeological articles, and, word of mouth experiences
from modern atlatl enthusiasts.
WHAT IS A GOOD DART?
A good dart has a balance point 6 to 10 inches forward
of center, and, the front 1/3 of the shaft is stiffer than the
rear 2/3s of the dart in order to confine the flexing to the rear
2/3s of the dart.
Bamboo and River Cane grow that way naturally. Wood
can be tapered that way. Here are the most successful tricks to
make those one diameter aluminum dart shafts behave like real
darts.
1. Put a smaller diameter aluminum shaft(s) inside
the front 1/3 section of the aluminum dart. This stiffens up the
front 1/3 of the shaft, and moves the balance point of shaft forward.
2. Put a wooden dowel rod inside the front 1/3 of
the aluminum dart. This stiffens up the front 1/3 of the dart
and, being heavier than a smaller diameter aluminum shaft, moves
the balance point even further forward.
3. Wrap cotton string around the outside of the
forward 1/3 section of the dart, and put two or three layers of
glue on the string with a tooth brush. Then paint the glue to
make it water proof. The weight of string/glue/paint moves the
balance point forward, but stiffens up the 1/3 front end only
slightly. The maximum benefit of this trick is making the dart
shaft wider, for ISAC target competition purposes.
Second:
On the other hand, any dart can be over flexed if
the casting motion is a hyper active, furiously fast, whip, snap
action. Over flexing the dart can cause it to react (flex back)
in an uncontrollable manner (dart does not flex back on track
to the target), or, the dart simply snaps, shatters, splinters,
breaks in two.
I have witnessed several times, as persons new to
atlatling, cast so hard and fast that the dart
actually snaps in two. Most times, hard and fast will simply send
the dart curving away from the target, as hard and fast will almost
always impair good casting technique by either causing the wrist
to turn outward before the dart separates from the atlatl (dart
goes off target), or causing the hyper active atlatlist to subsequently
bend forward at the waist and/or drop his/her elbow below the
shoulder line before the dart separates from the atlatl (causing
dart point to drop and darts hits dirt in front of the target.
I will cover this subject again in the section on Atlatl and Dart
Technique.)
A good casting motion is one of momentum building
up to the brisk flick of the wrist at the end of the throw. Good
accuracy depends on a momentum building casting motion that flexes
the dart into a complimentary level of stored energy that will
produce a predictable and controllable flexing dart flight behavior.
It should be noted that the force of throw, which
will effect how much a dart flexes, must be adjusted for distance
to the target. Therefore, the range of kinetic flexibility of
the dart being used must be variable enough to accommodate changes
in the force of throw from gentle at 10 meters distance to the
target, through strenuous at 30 meters distance.
SELF DARTS AND DARTS WITH FORESHAFTS
BALANCE POINT OF THE DART
RIGID FORWARD SECTION OF THE DART
In the archeological record, darts are anywhere
from 4 feet long to 13 feet long, fletched or un-fletched. Dart
shaft materials are generally wood or bamboo, but also river cane
(the American home grown version of bamboo) reeds, rushes and
combinations there in.
=>>>>>==============================================>
Darts are missiles. They carry a payload, the point,
sharp or blunted, pronged or barbed, depending on what's being
hunted.
FORESHAFT:
A dart can have its point mounted directly to the
dart shaft, or indirectly by means of a fore shaft. A fore shaft
is a length of rod 6 to 18 inches in length generally, (bone or
wood) which is inserted into a hollow tube shaped or long cone
shaped socket reamed or drilled into the front end of the dart
shaft itself. The other end of the fore shaft holds the point.
=>>>>>=========================================
========>
The fore shaft fits snugly but not in anyway permanently
into the dart shaft. The purpose is that when the dart hits the
target animal, the animal flails around and the dart shaft separates
from the impaled fore shaft, and falls to the ground. The hunter
picks up the dart shaft, and from a carrying case, pulls another
fore shaft and inserts it into the dart's fore shaft socket, ready
for another throw. Thus, the hunter is freed from having to carry
more than 1 or 2 dart shafts on the hunt.
With the self dart, every time the dart is thrown,
its gone and useless until retrieved, becomes increasingly shorter
every time the point breaks, or is gone forever if mangled in
the target's death throes. And, in theory any way, the hunter
has to carry more darts with him on a hunt.
DART BALANCE POINT:
=>>>>>======================/===========================>
center point
The length of a dart obviously has a center point.
But, assuming the point is heavier than the
fletching, the balance point will be forward of center towards
the front or point end of the dart.
And, if a dart is made out of bamboo, which grows bigger at one
end than the other, and assuming that the big end of the bamboo
is where the point is going to be, the balance point of the dart
will be even more forward of center.
=>>>>>==============================/====================>
balance point
A good dart has its balance point forward of center.
The ideal perfect throw, is a horizontal throw from
point A to point B. But this is the real world and a dart has
weight and is subject to the laws of gravity. Therefore, the best
we can hope for is a not too steep trajectory that can be calculated
into the aim/throw/hit mechanics of the cast.
A center balanced dart with a one diameter dart
shaft will fly to the target with its point in the air, with the
point dropping eventually, due only to the fletching at the rear
of the dart acting as drag.
A forward of center balanced dart will arc, point
up above the fletching at the start of the flight,
point below the fletching at the end of the flight.
A dart with its balance point way far forward of
center will require a much steeper arc and more force of throw,
to travel the same distance as a dart with its balance point just
a little forward of center.
The archeological record, overall, puts the balance
point of the dart in the forward 30 percent of the darts length.
A good rule of thumb is to have the balance point
of the dart be 6 to 10 inches forward of center, depending on
the length of the dart (assuming dart lengths of 5 to 8 feet)
RIGID FORWARD OF CENTER:
A good dart restricts the flexing to the rear two
thirds of the dart.
A single diameter dart flexes in the middle of the
dart shaft, with the front end (the end with the point) wagging
up and down as much as the back end during the flight. Will the
point of the dart hit a 10 or an 8? It's kind of problematic,
as front and rear are generally still wagging when the dart gets
to the target.
Bamboo and River Cane darts, because they are fat
at one end (the point end) and skinny at the other (the butt end)
confine the flexing to the rear 2/3 of the dart shaft, because
the front 1/3 of the dart is stiffer as well as fatter. The front
end of the dart is no longer wagging when it gets to the target.
A good dart does not have its forward of center weight all piled
up in the point end of the dart. The forward of center weight
of the dart should be and evenly as possible, distributed through
out the entire 1/3 forward section. This is what makes bamboo,
river cane, tapered wooden darts and darts made from tapered fiberglass
fishing poles better dart shaft materials.
A dart that has a disproportional amount of its
forward of center weight piled into the point end of the dart,
will be a dart which requires a much higher trajectory flight
plan because the front end will tend to want to drop like a rock.
(The good news, I guess, is that such a dart will require less
fletching.)
FLETCHING:
Fletching refers to the feathers glued or tied or
glued and tied to the butt end of the dart. Fletching is a drag,
in the sense that it's a drag on dart flight. Ask yourself this:
what would happen if you tied a concrete block on to the spur
end of the atlatl. Would you gain velocity, lose velocity, or
never get the atlatl off the ground? Now, for the sake of fletching,
try to imagine tying a kid's toy parachute on to the butt end
of the dart and imagine what that might do to dart flight velocity.
And now imagine tying a real parachute on to the end of the dart's
butt and imagine what that would do to dart flight velocity.
In a way, fletching acts like a parachute. It slows
down dart flight velocity. The bigger, the more of, the fluffier
the fletching, the slower the dart travels. Big and fluffy also
makes a lot of noise.
On the other hand, fletching helps stabilize the
flight of the dart. Earlier, I stated that a good dart has its
balance point 6 to 10 inches forward of center, and, the more
forward of center the weight is, the more likely the dart will
need a higher trajectory and the quicker the point end will drop
out of the sky.
It is also true, that the more forward of center the balance point
of the dart is, the less fletching is needed to stabilize the
flight of the dart. Ray Madden of Joplin Missouri is a constant
experimenter with un-fletched darts. He is quite able to throw
good scores at ISAC targets with darts that have no fletching.
He will be the first to tell you that a whole lot more control
is needed to cast darts without fletching.
I digress.
Hooking: (Side Arming:) Sorry, but it is necessary
to discuss this term "hooking" in order to understand
what goes wrong most often with casting un-fletched darts. I have
always thought of "hooking" as referring to a bad spur
design in which the tip of the spur is not a "ball and socket"
fit to the "cup" or hole in the butt end of the dart.
In my Atlatl/Dart primer, one hooks the dart when
the spur tip is so pointy that instead of sweetly
rotating into and out of the dart butt's hole, it hooks (like
Captain Hook) on to the inside lip of the dart butt's hole and
hangs on for dear life, thus causing a significant disruption
in the normal mechanics of the throw. "He hooked that shot."
"Yeah, he liked to tore that dart a new butt hole."
However, as has been pointed out to me on numerous
occasions, to the point of near persecution, by other atlatlists,
"hooking" merely refers to the "natural" right
hand curve of the flight plan (if you are right handed) or the
"natural" left hand curve of the flight plan (if you
are left handed) brought about by a side arm technique of casting.
Like hitting that curve to the sweet spot in bowling, I guess.
Watch out for the gutter!
A side arm throw has the flailing/hinged upper arm-elbow-fore
arm-wrist-fingers movements, moving forward in a diagonal motion
(as viewed by anyone watching the atlatlist from the rear). An
end over end throw has the flailing/hinged upper arm-elbow-fore
arm-writs-fingers movements, moving forward in a vertical motion.
End over end throwing sends the dart straight to the target, no
curving. You can read all about this in the up coming Throwing
Technique section.
Suffice to say, that end over end throwing requires
less fletching to stabilize the flight of the dart
because less hooking (in the side arm atlatlists' sense of the
word) is involved in the throwing technique.
Also, the more absolute, total control you have
over the throwing motion, the less fletching will be needed.
Also, the more forward of center the balance point
of your dart is, the less fletching will be needed.
And so, after explaining all this, you might wisely
still ask, "So, Mister Expert, how long and fluffy should
my feathers be?"
To which I might say "Somewhere between nothing
at all and the size of an Army parachute".
OK, I'm back.
Two feathers actually work to more or less stabilize
a dart's flight, but, I've never seen anyone score very high in
a WAA ISAC contest using a dart with only two feathers for fletching.
Three feathers work even better.
Four feathers work even better than three, and,
for obvious reasons, four feathers are easier to accurately align
on a dart, than three.
For the beginner, I would recommend using four feathers,
6 to 8 inches in length, trimmed to about 3/4s of an inch to 1
inch of feather width. The same glue used to glue feathers on
arrows works just fine with feathers on darts. Leave about an
inch of quill front and back to for lashing as glued- on- only
feathers on darts peel away from the dart sooner or later, perhaps
because they are bigger and thus more subject to the elements
than the neatly trimmed little arrow feathers. The feathers should
be attached about two inches forward of the darts rear end.
The more control over throwing technique is gained,
the less fletching will be needed. The less fletching needed translates
into increased velocity. Better control also means better accuracy
and a 90 or better in the WAA ISAC.
Here's a clue that you need more fletching or better
control of your throwing technique: The rear end of the dart significantly
fish tails on its way to the target. Or, the dart flies somewhat
sideways or diagonally all the way to the target.
MAKING A GOOD DART:
My first experience in making a dart had me spending
hours in the woods searching for saplings
long and straight enough, and, thin enough to be made into darts
just by cutting off the branches
and top. Over a two or three day period I found about two dozen
likely prospects of beech, maple, oak, cherry and poplar. I bundled
them up and took them home. I put them in my attic to dry.
At the same time, a friend of mine had cut down
his rather large bamboo stash the winter before and left them
leaning against his barn. I begged for some handouts. He said
take all you want. And I did.
While waiting for the saplings to dry (8 weeks),
I started to straighten the bamboo, which were already dry as
they had been leaning up against my friend's barn all winter.
This is the process:
1. Clear out room, enough room to whirl 8 foot dart shaft around.
2. In center of room, put stool.
3. On top of stool, put an electric hot plate. Plug in hot plate.
Put on high heat.
4. Put on thick leather gloves.
5. Grasp bamboo in both hands. Starting with the nodes (dividing
sections on bamboo),
hold the bamboo one half inch above the hot plate and slowly rotate
the bamboo over the heat.
In about 30 seconds, the section you are heating will be hot enough
to bend.
Use the pressure of your thumbs to bend the hottest spot straight.
Hold in place for 3 to 5 seconds.
6. Repeat heating and straightening process at each node, then
for each section between
the nodes. It takes about 20 minutes to straighten a 6 foot section
of bamboo.
Tip of the day: Thicker bamboo will require more
heating time than thinner bamboo.
Second Tip of the day: When bending bamboo at a
joint (node), be sure to bend it a little beyond straight the
first time. Bamboo will bend back a little. The thicker the piece,
the more it will bend back the first time. Therefore, don't be
afraid to go a little beyond straight the first time you straighten
bamboo at a joint (node).
Eight weeks later I was able to start straightening
the wooden sapling dart shafts. This was the
process for that:
1. Clear out room, enough room to whirl 6 foot
dart shaft around. (I was never able to find any saplings longer
than 6 feet that were within the WAA ISAC dimension rules (shaft
under 19 mm, less than 3/4 of an inch diameter).
2. Set up stool.
3. Put hot plate on stool, plug in hot plate.
4. Strip bark off of saplings.
5. Un-plug hot plate as stripping off bark is taking longer than
I could possibly imagine.
6. Plug hot plate back in.
7. Coat sapling with paraffin (or bee's wax or bacon grease or
other oily substance as recommended by any number of arrow straightening
how-to books.)
8. Using thick leather gloves and thumb pressure, heat and bend
shaft straight. Numerous coatings of grease will be necessary.
Room will fill with burnt grease smell.
9. Repeat grease, heat, and straighten process for each wooden
dart shaft everyday for the rest of your life. (As you heat the
shaft the grease gets hot, it boils, it splatters, it smokes,
and it seems like its boiling into the cell structure of the wood
itself. You have to heat for 30 to 40 seconds, rotating the shaft
as you go. When you bend it straight you have to hold it in place
for 10 seconds or more because unlike cane, saplings are not hollow.
Saplings are solid, much more demanding. When they were thinking
up the term "labor intensive", straightening saplings
was what they had in mind. Not recommended for couch potatoes.)
(No kidding folks. Saplings suck. Worse than that,
the oak saplings were so brittle they broke after only 20 or 30
throws. The maple were too heavy. The Cherry had the memory of
an elephant and would never stay straight for more than 5 seconds.
All and all, out of 24 saplings I was able to make only 8 useable
dart shafts, all beech and maple. They were OK darts. But if I
left them leaning against a wall over night, they remembered they
were supposed to be growing like a cork screw in the woods and
assumed that position by morning, which means that they needed
straightening all over again.)
How to make better wooden darts:
1. Buy straight grained, kiln dried boards of cedar or beech,
nominally 1 inch thick by 7 - 8 feet long.
2. On a table saw, "rip" the boards downs to 3/4 x 3/4
inch by 7 or 8 foot long strips.
3. Using a planer, turn the 4 sided strips into 8 sided strips.
By the time you have sanded and rounded off the 8 sided edges,
your shaft will be less than 3/4 x 3/4 of an inch in diameter
and therefore, and thus be ISAC legal.
4. If you don't have any kiln dried lumber, no table saw, no planer,
and no skill, contact
The World Atlatl Association for a list of dart makers and buy
ready made wooden darts from them.
Tip of the day: The trick is to use STRAIGHT GRAINED wood. If
after ripping the wood down
to 3/4 " by 3/4", the piece curves, THOW IT AWAY. YOU
DON"T WANT THAT ONE. Use the ones that start off straight
or nearly so from the very start. Be prepared to have to straighten
and occasionally restraighten,,,,,, or,,,,,, learn to throw such
darts "crown" side up. Seal the surface with polyurethane.
Aluminum darts:
1. Go to archery store.
2. Buy arrow stock, the widest gauge (28 gauge) they have. For
each dart, you will need three arrows. Buy a fourth arrow that
is a smaller diameter than the others.
3. Go to plumbing store, buy little red pipe cutter.
4. Cut the smaller diameter arrow into two, 6 inch long sections
to be used as an inside coupler for the bigger diameter arrows.
Use the remaining smaller diameter shaft to add weight and rigidity
to what will be the
front end of the dart.
( ===================== ====================== ====================
)
=============== ====== ======
Insert and glue the smaller diameter pieces into the larger diameter
pieces. Leave some room up front for the insert part that holds
the screw in point.
5. Using the two smaller diameter couplers and the appropriate
metal to metal glue, put three of the bigger diameter arrows together
to make one dart shaft.
6. Use the inserts and dart points available for arrows at the
archery shop for the same purposes on your dart. Use an extra
insert as the cup for the butt end of the dart.
Tip of the day:
Use the widest gauge arrow stock you can find, if
you want good dart shafts over
6 feet in length. Narrow gauge arrow stock over 5 ½ feet
in length tends to be too limp, too flexible for the amount of
tensile strength available in the aluminum used. Remember, arrow
stock is designed for the stress factors of the bow and arrow
projectile delivery system, not atlatl and dart.
By and large the easiest dart shaft to make is the
multiple aluminum arrow dart shaft. Making dart shafts out of
aluminum arrow stock is more expensive, but they are durable and
effective.
Bamboo grows everywhere, and river cane (straighten
the same was as bamboo) grows all over the south. Bamboo shafts
can be purchased via the internet for as little as 35 cents a
piece in lengths of 6 feet if you buy 100 or more. Some department
stores (K-Mart) sell bamboo in 7 foot lengths in the lawn and
garden section (6 for $5.00) in the spring for use as bean pole
and tomato stakes. For river cane, you pretty much have to know
somebody or buy a map to that fabled secret stash, or, go to a
large flint knapping event, as someone there will probably have
20 to 40 river cane shafts for sale at $2.00 each. Bamboo and
River Cane are more labor intensive than aluminum but hold up
nearly as well and are natural and user friendly.
Wooden darts are problematic at best especially
if they have one diameter throughout their lengths Tapered wooden
darts are fine, if you care to get that labor intensive or can
find someone who will make them for you.
If abused, any dart shaft will break.
ATLATL AND DART RELATIONSHIPS
This should seem obvious but no real scientific
experiments have been conducted under controlled circumstances,
so evidence to prove or disprove anything is lacking. There does
seem to be a working relationship between the length of a dart
and the length of the atlatl. There does seem to be a working
relationship between the way weight is distributed along the dart
shaft and the way weight is distributed along the atlatl shaft.
There does seem to be a working relationship between the kinetic
flexibility of the dart, and the kinetic flexibility or lack of
same of the atlatl. All this of course, is affected by the personality
and prowess of the individual atlatlist.
Example: I use darts 7 feet, 10 inches long, which
weigh about 5 ounces. My atlatl is a flexible, weighted
Atlatl 23 and one half inches long. The atlatl has two weights
big and small, the big weight right behind the handle and the
small right in front of the spur. oooo+++=============+=>
Handle- Big Weight----Small Weight-Spur
Recently, I became envious of other people's well
made, 4 ounce, narrow, light weight cane darts, and the ability
of other people to cast their darts faster and with a lower trajectory
than I can obtain with my "fat boy" darts. So I made
my darts lighter by shortening them 6 inches, and using copper
points that were half the weight of the ones I was using previously.
I also switched to shorter feathers and from 3 ply hemp string
lashings to thin sail thread lashings.
Altogether, I reduced the weight of my darts by
one ounce, moved the balance point of the dart back to within
5 inches of center, and made them 6 inches shorter. From that
point on, I could not hit the broad side of a barn. Actually,
it wasn't that bad, but the significant increase in bad shots
made me feel real bad. I had completely disrupted the working
relationship between my atlatl and dart which I had achieved by
"blind-pig-in-the-woods", trial and error, over a 10
year period of time. I lost the feel of the weight of the dart
out in front of my atlatl. Previously, when I would increase the
angle of the dart from horizontal to having the dart point angled
up, say 10 degrees above horizontal, the weight of the dart out
in front of the atlatl would become less (because the center of
the dart's gravity moves to the rear). After "adjusting"
my darts, I couldn't feel anything, couldn't feel any difference
at any angle. I had lost one of my key registration points in
aiming.
The problem? I had not likewise adjusted my atlatl.
So then I did, by getting rid of the big weight altogether and
putting another small weight 3 inches in front of the other small
weight back by the spur.
oooo===========+==+>
What this did. Once again, I had a comfortable amount
of noticeable dart weight out in front of the handle and just
enough weight in the rear by the spur to prevent the flexing dart
(during the throwing motion) from kicking back on the spur, and
making me wobble the cast. My accuracy is back to where it was,
for better or worse.
It was an un-nerving experience. I had always assumed
there was a relationship between atlatl and dart. I was just caught
off guard as to how severe and demanding it can get.
I'll talk more about this in the next section, Techniques
of Casting a Dart with an Atlatl.
SUMMARY:
A good dart is, flexible (but not wildly so), is at least as
long as you are tall and a little more so, and has a balance point
forward of center (varies per individual). The front 1/3 of the
dart should be stiffer than the rear 2/3 of the dart so as to
confine all the flexing to the rear 2/3 of the dart. A good rule
would be to use 4 feathers for fletching, about 6 to 8 inches
long by ¾ of an inch wide. Leave 2 inches of dart shaft
behind the fletching. The weight of the dart should be between
3 and 6 ounces. Try to make multiple darts all the same, so when
you practice, you have the equipment to develop some consistency.
Ray Strischek
10810 Peach Ridge Rd
Athens Ohio 45701