TECHNOLOGY
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TECHNOLOGY |
GLOSSARY
Look at a traditional birchbark canoe, from Native Org: http://www.nativeweb.org/NativeTech/brchbark/bigcanoe.htm
TOP VIEW
The ratio between width (beam) and length gives a speed boat with low ratio (ex. 1:10) or a cargo boat for fishing with high ratio (ex. 1:3)
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Old Town Canoe specifications (historical): http://www.wcha.org/catalogs/old-town/specific.gif
CUTAWAY
THE SIDES
Sides with tumblehome are comfortable to paddle. Frare ones help to keep waves outside. Plumb is a compromise
THE BOTTOM
A round bottom is not very stable and is used mainly in races. A flat bottom is good for big charges. An arch bottom is a good and usual compromise. A "V" bottom is also good for speed, but is difficult to turn
SIDE VIEW
A high rocker canoe is good for quick pivots and turns in a river, a straight keel is berrer suited for speed on flat water
BOW STYLES
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ALGONQUIAN |  |
ALGONQUIAN FUR TRADE |
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ATHABASCA |  |
CREEK |
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KOOTENAY |  |
MICMAC |
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OJIBWAY |  |
PASSAMAQUODDY |
See also Canadian Museum of Civilization, Wave Eaters: http://www.civilization.ca/membrs/fph/watercraft/wainteng.html
MATERIAL
BIRCHBARK
The oldest kind of boat, now few people can make one, hand made.
WCHA: http://www.wcha.org/birchbark.html
WOOD
Generally heavy boats, must be soaked to keep water.
WHCA: http://www.wcha.org/wood.html
WOOD AND CANVAS
Fragile, needs care and maintenance
WCHA: http://www.wcha.org/wood-canvas.html
STRIPPER
Strips of wood betbeen two layers of fiberglass. Possible to self made.
WCHA: http://www.wcha.org/cedar_strip.html
ALU
Not very light. Makes noise. Cold in winter end hot in summer
FIBERGLASS
Mainly good for flatwater. Easy to repair.
KEVLAR
Same as fiberglass, but more expensive material.
ABS, ROYALEX, RAM-X
Usually the shape is not very good, and the form can change. Very good in white water because slips over the rocks.
See also material specifications from Mad River Canoe: http://madrivercanoe.com/mrc/htm/construct.shtml
LINKS
To learn more, go to:
Canoe shapes and sizes in Gorp: http://www.gorp.com/gorp/publishers/menasha/pad_tand.htm
How to chose a canoe in Gorp: http://www.gorp.com/gorp/publishers/ics/how_cano.htm
To find canoe builders, go to page Gear
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