https://padlet.com/mgariepy1/rn0jouridd9e From the research you've conducted, post some information that you think will be crucial in designing, building, and testing CO2 cars, as well as setting up a competition to determine the fastest car (at least one post per column). Paraphrase using your own words and post a picture/diagram/link to get your point across. Try not to repeat others. en-us 2019-09-03 12:32:42 UTC 2025-12-09 14:07:47 UTC hello@padlet.com https://padlet.pics/1/image.webp?t=g_auto&url=https%3A%2F%2Fpadlet.net%2Ficons%2Fpng%2F1f3ce.png https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931163194 you want a spere because it allows airway to flow with littel air disruption]]> 2021-12-06 14:03:29 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931163194 hoekedaw https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931168910 2021-12-06 14:05:35 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931168910 jameshun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931170679 you want something with low drag and aerodynamic ]]> 2021-12-06 14:06:14 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931170679 espinsop https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931171661 When designing a CO2 car, you want to try and make the car aerodynamic and flat so that the air that the car is going against doesn't bring the car to a stop really quickly.]]> 2021-12-06 14:06:33 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931171661 scharlea https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931173536 2021-12-06 14:07:14 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931173536 curtihan https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931173935 A teardrop shape is considered the fastest and most aerodynamic shape because of it's pointed nose.]]> 2021-12-06 14:07:22 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931173935 truesdea https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931174390 2021-12-06 14:07:32 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931174390 milewlog https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931175057 You want a sort of airfoil shape because it has a smaller drag coefficient and more lift.]]> 2021-12-06 14:07:45 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931175057 bushonar https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931175251 You might want to make a car that has a base that avoids contact with the floor. Because if it made contact with the floor, the car would stop.
You should also make it a little smaller too so the CO2 canister could push the car faster.

]]> 2021-12-06 14:07:50 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931175251 wiggeber https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931175918 When you make it try to make it aerodynamic and make sure the wheels don't have a lot of friction on them because with lots of friction it will slow down the car.]]> 2021-12-06 14:08:03 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931175918 jameshun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931177239 you want to make it symmetrical so it will be reliable and not flip over or spin ]]> 2021-12-06 14:08:34 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931177239 wellsjol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931177461 the car should be light but still strong. the front should be slanted to allow air flow. if you used a square car it would be hard to move faster because it would push against air instead of flowing with it.]]> 2021-12-06 14:08:38 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931177461 flanihun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931178264 you want the car to be as light as possible so there is no extra weight on the car that will be slowing it down.]]> 2021-12-06 14:08:58 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931178264 Oteesdale https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931180299 Design a model of your car and make sure it is as little weight as possible so it doesnt slow the car down.]]> 2021-12-06 14:09:38 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931180299 masoncol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931181069 You should watch out for the friction of the car the, Weight/mass, and the dag the your design has. Add a Boat-tail that will reduce the drag and have a slick and smooth surface too farther decrease the drag.]]> 2021-12-06 14:09:52 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931181069 espinsop https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931182869 When building the CO2 car, you want everything to have equal proportions so that the car stays in the middle of the track and doesn't go straight into the wall. ]]> 2021-12-06 14:10:31 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931182869 scharlea https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931183711 2021-12-06 14:10:51 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931183711 durhacoo https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931183831 You want at the front of the car to have a shape like a sphere where air glides off and their is no air resistance so your car can go as fast as it can possibly go]]> 2021-12-06 14:10:54 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931183831 curtihan https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931184937 You'd want the bottom to be flat, because irregularities add friction, and that slows it down.]]> 2021-12-06 14:11:19 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931184937 wellsjol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931185024 your car may need to have some improvements before testing. it is good to allow changes to your car, so don't start gluing everything together just yet. ]]> 2021-12-06 14:11:22 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931185024 hoekedaw https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931185037 Make axles free. If they rotate easy it would have more speed.]]> 2021-12-06 14:11:22 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931185037 milewlog https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931185903 You want to create lift so that it has less weight. not to much lift or it might start flying.]]> 2021-12-06 14:11:42 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931185903 bazuisam https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931187479 you want to create it narrow and have it the litest]]> 2021-12-06 14:12:20 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931187479 jameshun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931188231 try to find whats wrong and fix it]]> 2021-12-06 14:12:38 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931188231 albingra https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931188917 When creating a CO2 car, you don't want a lot of friction. Make sure that you don't have your wheels rubbing against the car. It is also good to have equal mass all through out the car so it doesn't flip over.  ]]> 2021-12-06 14:12:54 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931188917 masoncol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931189495  Make sure to have a turbulent boundary layer sticks to the surface of the vehicle. This helps it reducing the size of the drag pocket.]]> 2021-12-06 14:13:07 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931189495 Oteesdale https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931190122 When Building your car you need to do everything correctly and do lost of messuring and testing to make sure everything will fit ]]> 2021-12-06 14:13:22 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931190122 bushonar https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931191002 Adding wheels to the car to make it avoid having friction with the floor, and it would make the car go in a straight line instead of being everywhere.]]> 2021-12-06 14:13:42 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931191002 mooreale1 https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931192214 A aerodynamic shape which makes air to flow over the surface because of its symmetrical shape]]> 2021-12-06 14:14:10 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931192214 hoekedaw https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931192494 When you test you should look at key details and how they affect the car.]]> 2021-12-06 14:14:17 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931192494 espinsop https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193392 When your testing your car, you want to roll the car forward on a flat and smooth surface to see if it veers off to the left or right. If it does the wheels are most likely not in-line, and need to be readjusted.]]> 2021-12-06 14:14:36 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193392 bazuisam https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193434 you what to make shure that it is really skinny in the front becaust you dont what to hidroplan and make it fly you want the whait in the bake so it dosent do that ]]> 2021-12-06 14:14:37 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193434 scharlea https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193551 when testing you want to test on a relatively flat and smooth surface so something doesn't catch on the bottom of the car or wheel and through off the results ]]> 2021-12-06 14:14:40 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193551 masoncol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193664 When testing make sure you know what your design should do. After make sure it did those things, if not, Fix it and try aging. If So, improve your design to be better. ]]> 2021-12-06 14:14:43 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193664 Oteesdale https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193760 you need to make test on you're car like does it go as good speed, is it a good weight, is there somthing tha can prevent it from going faster, is there anything that you can add. To test and make sure everything is working or if there is something you cann add, something fails you need to go back a redo / fix you're mistake.]]> 2021-12-06 14:14:45 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931193760 milewlog https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931194440 Have a control car (the plain block, see above) so you can see the differences in speed and weight between the basic car, and your car.]]> 2021-12-06 14:15:02 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931194440 flanihun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931194653 When you test your CO2 car observe your car's performance. And try to improve its efficiencies like Drag reduction, speed, and weight]]> 2021-12-06 14:15:07 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931194653 wellsjol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931195190 when you test your car it should be tested on a flat surface. since the race will be on a flat surface it is good to test on it. it is good to break small parts of your car, this will help you improve the design. ]]> 2021-12-06 14:15:18 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931195190 jameshun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931195722 you dont want to take to much material off you cant put more on]]> 2021-12-06 14:15:30 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931195722 bushonar https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931196139 Try finding a good surface to test on like a smooth surface. And if your car fails during the testing, try to improve it to make it better.]]> 2021-12-06 14:15:39 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931196139 bazuisam https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931197014 you want to make it go fast and not go flying some where and make it stay on track]]> 2021-12-06 14:16:00 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931197014 flanihun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931197806 When you are building the CO2 car make sure everything is sturdy and in place so it will not fall apart when testing. ]]> 2021-12-06 14:16:17 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931197806 curtihan https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931198397 A flat, bottom with a pointed tip or a downward-angled nose. The closer to the ground it is, the better, because there is less air-intervention. If wheels are a possibility, they would help, but you would have to make sure they move VERY easily, because if just one wheel stops, it will drag, and slow down the car


]]> 2021-12-06 14:16:30 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931198397 hoekedaw https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931199561 Before a race you want to make sure that everything is the same as when the test was completed.]]> 2021-12-06 14:16:58 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931199561 jameshun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931199731 you hope it works]]> 2021-12-06 14:17:02 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931199731 masoncol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931200374 The winner of the race will have skinny wheels, the most less drag of the bunch, and Of course, the best design.]]> 2021-12-06 14:17:17 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931200374 Oteesdale https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931202174 the winner would obiously have a good desgin and have done lots of good test]]> 2021-12-06 14:17:56 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931202174 mooreale1 https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931202750 Adding wheels will make the car not go against the ground but adding wheels will make the co2 car go easy through the air making so its not scratching off the ground   ]]> 2021-12-06 14:18:09 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931202750 espinsop https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931202889 Before racing your CO2 car, you have to make sure that everything is exactly the same as it was when you were testing it on the flat surface.]]> 2021-12-06 14:18:12 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931202889 wellsjol https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931203419 before racing you must make sure all parts of your car are working properly. any faults may lead to your car losing. ]]> 2021-12-06 14:18:24 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931203419 albingra https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931204352 The biggest part of design is reducing drag (at least in this case), so how can you do that? Well, you don't just want to focus on the top of the car. The bottom should be close to the ground and flat. A good top design should be the "doorstop" or "wedge design. This let's the air flow over it kind of like a ramp. ]]> 2021-12-06 14:18:44 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931204352 milewlog https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931205355 You need to poke a small hole in your opponent's CO2 and decrease the psi in their canister in order to win. Just kidding. Make sure that you have the exact same environment as the test so there is no difference between what id did before and what I did during the race.

]]> 2021-12-06 14:19:05 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931205355 durhacoo https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931206357 Co2 cars need to be aerodynamic so it does not have air resistance]]> 2021-12-06 14:19:29 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931206357 bushonar https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931207201 You put effort in your build and it's now time to put it on the final test. See if you'll surpass others.]]> 2021-12-06 14:19:48 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931207201 curtihan https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931207825 For the testing, we probably will not get a ton of compressed air, so you'd have to test it with different pushes (some really light, others more powerful), and find out how hard the air would have to push to do certain distances, and estimate how many adjustments you could do to make the lightest push go farther. Better safe than sorry!]]> 2021-12-06 14:20:01 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931207825 flanihun https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931208403 When you are going to race, first make sure that everything is how you want it on your CO2 car so it will be the fastest, most arrow dynamic and weighs the least. ]]> 2021-12-06 14:20:11 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931208403 scharlea https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931209155 fine tune and make sure all of the parts are on properly ]]> 2021-12-06 14:20:28 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931209155 mooreale1 https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931214136 You want to test it on a smooth surface and look at stuff you can fix and improve on your build ]]> 2021-12-06 14:22:22 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931214136 mooreale1 https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931221711 you to make your build have everything you want to have on your CO2 car before the race ]]> 2021-12-06 14:25:02 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931221711 albingra https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931223398 Make sure your car goes straight. If it isn't going straight, there might be friction involved (in the wheels) or the wheels are not aligned correctly. If it explodes, you might want to rework your design. Wind tunnels may not be available to you, but if they are you can see how air flows over your car, causing air resistance. ]]> 2021-12-06 14:25:39 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931223398 curtihan https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931228823 When you race your car, you might want to make sure there is no uneven terrain or obstacles that could effect your performance. You'll also want to position your car in a way that helps it go as straight as possible. If it usually goes a little to the right, maybe position it a little to the left so that it wont go way off in the wrong direction.]]> 2021-12-06 14:27:33 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931228823 albingra https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931242432 Creating a wooden racetrack with walls might be helpful in guiding the cars to a "finish line". A finish line could be a slow-motion camera, like your iPhone, should work. You could also have a real finish line that you could break to be more actuate with your measurements. You should have ample room at the end to ensure they don't crash into anything.]]> 2021-12-06 14:32:25 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931242432 durhacoo https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931255523 you should find a long straight area to test your Co2 car and a ramp so you can have the same amount of energy each time and see what works and what does not]]> 2021-12-06 14:37:11 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931255523 durhacoo https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931319647 Co2 tracks are around 60 feet so first you need to find an area with that amount of length also their should be sides on the track so the car does not fall out of the race, the co2 cars should be started at the same time so no car has an advantage.]]> 2021-12-06 15:00:08 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931319647 gierasam https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931324444 2021-12-06 15:01:52 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931324444 gierasam https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931334087 2021-12-06 15:05:04 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931334087 gierasam https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931348197 2021-12-06 15:09:55 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931348197 gierasam https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931518717 2021-12-06 16:12:22 UTC https://padlet.com/mgariepy1/rn0jouridd9e/wish/1931518717