project-fall-08 - ENGR 111C Project Air-Powered Car Fall...

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ENGR 111C Project Air-Powered Car Fall 2008 Objective For the air-powered car shown in Figure 1, your team will do the following: design build test evaluate report Figure 1. Schematic of air-powered car. Constraints tank material of construction = polyvinyl chloride (PVC) schedule 40 pipe pipe diameter = 3 inches maximum pipe length = 12 inches maximum end caps = PVC all pressurized components must be selected to withstand at least 100 psig Safety Issues Joints: PVC is joined by applying a cleaner and then glue. Allow 24 hours for joints to cure before applying pressure. Hydrostatic pressure test: After the vehicle is assembled, fill it completely with water and then apply 100 psig pressure. (A bicycle pump can be the source of pressure.) Inspect the vessel for integrity and leaks. (Note: High-pressure water does not contain as much energy as high-pressure gas, so a hydrostatic test is a safe way to verify vessel integrity.) Safety glasses: Wear safety glasses when assembling equipment and operating the air-powered car Air Velo Car Velo Compressed Air Tank Valv e Whee
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Penetrations: Do not drill or cut into the pressure vessel as this may disrupt vessel integrity. All connections must be made using standard off-the-shelf fittings. Maximum pressure: On the compressed air tank, put the following label: Schedule Class 12.2: Turn in sketches of your design to your graphics instructor Class 15.1: Demonstrate your air-powered car in class December 5: Submit your team report to your graphics instructor Sketch The sketch should identify all components in detail. Be sure to address detailed issues such as how the vessel will be charged with compressed air, how the wheels will be mounted, and how the car will be steered. Determine sources of off-the-shelf equipment,
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This note was uploaded on 09/01/2009 for the course ENGR 111 taught by Professor Walker during the Spring '07 term at Texas A&M.

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project-fall-08 - ENGR 111C Project Air-Powered Car Fall...

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