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Woods
Edexcel Product Design: Graphics
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Woods
• Hardwoods:– Jelutong– Balsa
• Softwood– Pine
• Aesthetic• Functional & mechanical
properties• Advantages• Disadvantages
• For the creation of models and prototypes
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Jelutong
• Colour: initially almost white, darkening to a yellowish brown color with age.
• Low density • Very easy to work with both
hand and machine tools• Known for uniformity, softness,
and stability• From South East Asia• Close grain
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Balsa
• Very light & soft• Fast growing• Large• From Brazil and North
Mexico• Excellent strength to
weight ratio• Open grain
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Pine
• There are about 115 species of pine
• Pines are native to most of the Northern Hemisphere
• Fast growing• Can be knotty
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Which wood is best for….
• Boats• Furniture• Model airplanes• Pattern making• Table tennis bats• Carving• Door frames• Photo frames• Small or intricate models
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Which wood is best for….
• Boats - balsa• Furniture - pine• Model airplanes - balsa• Pattern making – jelutong (balsa can be used)• Table tennis bats - balsa• Carving – jelutong (balsa can be used)• Door frames - pine• Photo frames – balsa or pine• Small or intricate models - jelutong
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Task
• Log onto the computers• Create a table:
Wood Aesthetics Functional & mechanical properties
Advantages Disadvantages
Jelutong
Balsa
Pine
For aesthetics get an image of the wood and write a brief descrition.For properties add things like lightweight or close grained etcThen put some advantages and disadvantages for eachPrint off