2016년 1월 7일 목요일

The Bark Canoes and Skin Boats of North America 58

The Bark Canoes and Skin Boats of North America 58



Although kayaking as a sport first became popular in the 1860's, it was
not until the 1920's that the value of learning to roll began to be
fully realized by the recreational kayaker. Interest has grown steadily
since that time, and rolling instruction has been included as a regular
part of many club training courses. A preliminary step in mastering
the roll consists of using the paddle to prevent a capsize, by turning
the blade parallel to the water surface and pressing down sharply on
the side toward which the kayak is capsizing, while exerting an upward
pressure with the other hand. This produces a rotary movement which
restores the kayak to an even keel. Recreational canoeists call this
maneuver a "paddle brace."
 
Most kayak rolls are based upon one or more of three basic movements.
These are the paddle brace, the "sculling" stroke, from which lift
is obtained by moving the paddle back and forth through a small arc
with the leading edge of the blade at a slight planing angle, and the
"sweep," from which lift is obtained by sweeping the blade through a
large arc at a slight planing angle. The method of rolling shown in the
sketches is the standard Greenland roll, so called because it is the
most common roll encountered in Greenland. A slightly modified version
of this roll is called by recreational canoeists the Pawlata roll in
honor of the European who introduced it to them. Many skillful kayakers
could not roll, and sometimes a highly skilled roller would fail to
recover. Such men could be rescued by their companions by either of
two common methods. One method was executed by placing the bow of the
rescue craft within reach of the capsized paddler's hand, so that he
could pull himself up by a one-handed chinning motion. The other method
was executed by bringing the rescue kayak alongside the capsized kayak
so that the two craft were parallel and about two feet apart. The
rescuer then laid his paddle across both craft and holding it with
one hand, reached down and grabbed the capsized paddler's arm. He then
pulled him up between the two kayaks. This method enabled an enfeebled
or unconscious kayaker to be rescued.
 
[Illustration: Figure 216
 
Hand positions used with the standard roll:
 
(1) The extended paddle position is the common method, and it gives
maximum leverage. It is similar to the "Pawlata Roll" position used by
recreational kayakers.
 
(2) The normal paddling position is more convenient, but gives less
leverage. This is called the "Screw Stroke" position.
 
(3-6) Difficult trick positions demonstrated by Enoch Nielsen of
Igdlorssuit, West Greenland, to Kenneth Taylor, a Scottish canoeist, in
1959.]
 
[Illustration: Figure 217
 
Kayak rescue, bow-grab method]
 
[Illustration: Figure 218
 
Kayak rescue, paddle-grab method]
 
Both of the above methods of rescue were completed with the capsized
victim still in his craft. This prevented his kayak from swamping and
also protected him from exposure, since his waterproof kayak jacket
remained tied to the cockpit hoop. Little detailed information has
been recorded on the methods of rolling known outside of Greenland,
but there are many photographs of Bering Strait kayakers rolling with
the single bladed paddle. A study of Alaskan rolling methods is now in
progress, and it is hoped that much information can be recovered and
preserved.
 
[Illustration: Figure 219
 
PREPARING FOR DEMONSTRATION. Jonas Malakiasen puts on his tuvilik (a
waterproof kayak jacket, pronounced in English "tooey-leek"). When
it is fastened tightly about his face, wrists, and the cockpit hoop,
he can capsize without getting water in the kayak. Igdlorssuit, West
Greenland, summer 1959. (_Photo by Kenneth Taylor._)]
 
[Illustration: Figure 220
 
GETTING ABOARD. Enoch Nielsen, best kayak roller in the village of
Igdlorssuit, West Greenland, wriggles into his kayak on the beach
before embarking on a kayak rolling exhibition. Note that he is leaving
the harpoon line stand and gun bag in place. (_Photo by Kenneth
Taylor._)]
 
[Illustration: Figure 221
 
PAUSING ON SURFACE. Kayaker supports himself on the surface of the
water by a sculling stroke before starting the roll. Note that Enoch
Nielsen's body is twisted so that his shoulders are parallel with the
surface, thus submerging as much of the body as possible in order to
gain buoyancy. (_Photo by Kenneth Taylor._)]
 
[Illustration: Figure 222
 
FULLY CAPSIZED, view from forward quarter, looking aft. Enoch Nielsen
prepares to roll up by the standard method. Note the planing angle of
his paddle blade as he prepares for the next step, the planing sweep of
the blade across the surface. (_Photo by Kenneth Taylor._)]
 
[Illustration: Figure 223
 
EMERGING FROM ROLL, view from forward quarter, looking aft. From the
position of Enoch Nielsen's hands, this appears to be the standard
roll. He has just completed the planing sweep and is halfway up. The
inboard hand is a pivot point for the sweep and a fulcrum for the lift.
(_Photo by Kenneth Taylor._)]
 
[Illustration: Figure 224
 
RIGHTING THE KAYAK. Enoch Nielsen emerges from roll with a final
downward thrust of the paddle blade. (_Photo by Kenneth Taylor._)]
 
 
 
 
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