Crane Construction Challenge

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Crane Construction Challenge
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The Task

• Design and make a beam for a crane. Your beam
  must be at least 60 cm long.
• How many baked bean tins will it lift?

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The Cambridge Skyline
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Tube Production Line

• Person 1 The sticker

Person 2 The roller
Person 4 The chief engineer
Person 3 The puncher
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A Busy Construction Site
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Why dont they fall over?

• All tower cranes have
• Large counter weights
• Large concrete base
• Tower and beam are made from triangles. This is
  called a TRUSS

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Large Concrete Base
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The Counter Balance!
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Use Triangles
The square collapses
?
A diagonal tube is added to make 2 triangles.
This is called a 'brace'.
OR
?
?
?
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Spot the Triangles
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Where to start?

• Where should you brace the structure?

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Erecting a crane!
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Erecting a crane!
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When it goes wrong!
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When it goes wrong!
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When it goes wrong!
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When it goes wrong!
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When it goes wrong!
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When it goes wrong!
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When it goes wrong!
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