10.07.2015 Views

Gears, Chains, and Sprockets - VEX Robotics

Gears, Chains, and Sprockets - VEX Robotics

Gears, Chains, and Sprockets - VEX Robotics

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Amaze PhaseOverviewIn this phase, you try <strong>and</strong> lift a 5 lb. weight as quickly as possible using the modified test st<strong>and</strong> fromthe Unit 6: <strong>Gears</strong>, <strong>Chains</strong>, <strong>and</strong> <strong>Sprockets</strong> > Build Phase.Phase ObjectivesAfter completing this phase, you will be able to:■■■Modify the gearing of a <strong>VEX</strong> gearbox.Describe the effect of gear ratios on speed <strong>and</strong> torque.Be able to determine an appropriate gear ratio to complete a mechanical task.Prerequisites <strong>and</strong> ResourcesBefore starting this phase, you must have:■■Completed the Unit 6: <strong>Gears</strong>, <strong>Chains</strong>, <strong>and</strong> <strong>Sprockets</strong> > Think Phase.Completed the Unit 6: <strong>Gears</strong>, <strong>Chains</strong>, <strong>and</strong> <strong>Sprockets</strong> > Build Phase.■Have assembled the gear ratio test st<strong>and</strong> from the Unit 6: <strong>Gears</strong>, <strong>Chains</strong>, <strong>and</strong> <strong>Sprockets</strong> >Build Phase.Related phase resources are:■■■Unit 1: Introduction to <strong>VEX</strong> <strong>and</strong> <strong>Robotics</strong>.Unit 4: Microcontroller <strong>and</strong> Transmitter Overview.Unit 5: Speed, Power, Torque, <strong>and</strong> DC Motors.Amaze Phase■53

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