Co2 car-powerpoint
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Transcript of Co2 car-powerpoint
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CO2 Dragster ProjectCO2 Dragster Project
Mrs. SeminatoreMrs. SeminatoreOceanside Middle School Oceanside Middle School
TechnologyTechnology
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About the ProjectAbout the Project
Students will convert a wedged shape piece of Students will convert a wedged shape piece of wood (about 12” in length) into a sleek racecar wood (about 12” in length) into a sleek racecar body using hand and power tools. Paint, wheels, body using hand and power tools. Paint, wheels, and decals are added to make the car race and decals are added to make the car race worthy.worthy.
The cars speed down the track and cross the The cars speed down the track and cross the finish line in speeds of up to 50 mph.finish line in speeds of up to 50 mph.
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About the Project ContinuedAbout the Project Continued
Students will follow guidelines that are Students will follow guidelines that are given out by the teacher.given out by the teacher.
Students will use the Design Process Students will use the Design Process when building their CO2 Dragster. when building their CO2 Dragster.
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About the RaceAbout the Race 2 Cars are set up2 Cars are set up Cars ride on guide wire from start of track Cars ride on guide wire from start of track
to end of trackto end of track Co2 cartridge is punctured propelling car Co2 cartridge is punctured propelling car
forwardforward Two cars raceTwo cars race Cars go through end gateCars go through end gate Light goes on for fastest carLight goes on for fastest car Race time is recorded for each carRace time is recorded for each car
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Race Video
co2 dragster race -Race
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Race RulesRace Rules
Let us review the CO2 Dragster rules Let us review the CO2 Dragster rules together.together.
Upload your official CO2 Dragster Rules Upload your official CO2 Dragster Rules on Edmodo. This sheet will then go into on Edmodo. This sheet will then go into Notability under the Tournament Notability under the Tournament Rules/Rubric category.Rules/Rubric category.
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Dragster Design ProcessDragster Design Process 1) Understanding the problem or purpose1) Understanding the problem or purpose
Problem Statement: Explain how you are going to solve your problemProblem Statement: Explain how you are going to solve your problem Knowing your limitations/specificationsKnowing your limitations/specifications Being aware of safety regulations, materials allowed, functionality, Being aware of safety regulations, materials allowed, functionality,
tournament regulationstournament regulations 2) Brainstorm2) Brainstorm
Sketch 5-10 different possible design ideas for Top View and Side ViewSketch 5-10 different possible design ideas for Top View and Side View 3) Choose a solution3) Choose a solution 4) Plan/Design4) Plan/Design
Detailed Drawings, Details about materialsDetailed Drawings, Details about materials 5) Modeling and Prototyping5) Modeling and Prototyping 6) Test 6) Test 7) Analysis7) Analysis
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Problem Statement Create the most eff icient dragster to race
on a 32’ track following the CO2 tournament guidelines and specifications to enter my car in the race.
EFFICIENCY: The relationship between energy input and energy output.
More efficient car = Less energy lost = More Power
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Design Requirements
See CO2 Dragster Rubric
Follow Specifications for CO2 Dragsters
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Length: 200-305mm
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Width @ Back Axle: 35-42mm
Width @ Front Axle: 30-42mm
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Minimum Width: 13mm(Other than Axles)
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Front tip: Can only come to a point in one view
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What is a dragster?
Dragster: A car that is aerodynamically designed for speed
Drag racing is a sport where cars and motorcycles race down a track with a set distance as fast as possible
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Rail Cars Narrow
External Wheels
Body is Lower to the Ground
Weighs less
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Show Cars
Stunning Design Creativity Showy Paint Jobs
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COCO2 2 Powered DragsterPowered Dragster
What do we use to power our dragster?What do we use to power our dragster?
Compressed C02 – Carbon Dioxide
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Carbon DioxideCarbon Dioxide
Power is created by CO2 gas propulsion – Power is created by CO2 gas propulsion – CO2 gas is in the metal cartridges.CO2 gas is in the metal cartridges.
Plants use CO2 in photosynthesis to make Plants use CO2 in photosynthesis to make carbohydrates. carbohydrates.
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FrictionFriction Friction is a force that is Friction is a force that is
created whenever two created whenever two surfaces move or try to surfaces move or try to move across each other.move across each other.
On the CO2 car, friction On the CO2 car, friction occurs:occurs: Between the wheels and Between the wheels and
groundground Between the axles and car Between the axles and car
bodybody Between the eye-hook and Between the eye-hook and
fish-line trackfish-line track
How can we reduce friction?
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Reduce FrictionReduce Friction
•Make sure the axle and tires are free to rotate
•Make sure the wheels are not rubbing on the car body
•Install eye-hooks properly