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SeaPerch. Design Challenge and Construction Overview. Introduction. The SeaPerch is a simple ROV (remotely operated vehicle) made from PVC pipe, motors, and floats. You will utilize the design process to create an ROV that meets this year’s specific challenge(s).
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SeaPerch Design Challenge and Construction Overview
Introduction • The SeaPerch is a simple ROV (remotely operated vehicle) made from PVC pipe, motors, and floats. • You will utilize the design process to create an ROV that meets this year’s specific challenge(s). • You will work in teams to construct and test a working ROV.
The Design Challenge • You will work in pairs for this challenge. • The ROV is expected to: • Be remotely controlled • Be connected to a tether • Submerge in water • Move left and right • Rise to the surface • Each student is responsible for creating his or her own design sketches.
The Design Challenge Each student is expected to: • Create 4 different sketches of your ideas for a structural system (the PVC pipe). • Evaluate your ideas with your partner. • Select a final design idea (standard or modified structure). • Draw your final idea for the structure. • Give reasons for your final choice (in writing).
Design Constraints • 5’ – 8’ of ½” PVC pipe • PVC connectors • 3 motors with props, holders, and containers • 2 floats • Tether wire • Netting with tie wraps • Screws • 1 – 12 volt battery • 1 circuit board • 1 control box • CAT5 wire • Wire • Solder • Electrical Tape • Rubber Tape • Tools Each group will have the following materials:
Design Constraints (2) • The frame is made of ½” PVC pipe • The frame must hold the motors, floats, and weights (as needed) • The motors are positioned on the frame • The motors are expected to submerge the ROV, move it left and right, and raise it to the surface • The ROV is powered by a 12-volt battery and tethered to the control box, which allows the student to maneuver the ROV.
Tools In order to build your SeaPerch ROV, you will use a variety of tools: • Safety glasses • Saw • Screwdriver • Drill • Drill bits • Vise/clamp • Pliers • Ruler • Scissors • Hot plate • Soldering iron
Construction Overview • There are four different steps to the construction of your ROV: • Structural System • Mechanical System • Electrical System • Integration/Quality Control/Testing
Structural System • Design the frame to be made out of ½” PVC pipe. • The frame must hold motors, floats, netting, and weights as needed. • Students may use a standard structure (see picture at left) or develop a modified structure of their own.
Mechanical System • Identify the position and direction for the three motors. • The motors must submerge and raise the ROV, and move it left and right. • The motors must be sealed tightly from the water, using wax.