2:54. Is the third time the charm? The Beer vs liquor was entertaining, but pointless from the outset with such a small sample size. The MythBusters investigate two arrow-themed myths: if a flaming arrow fired into a car's gas tank will cause it to explode, and if a deadly-looking tribal initiation is as dangerous as it seems. The topics chosen lend themselves well to a physics analysis. This myth was not shown in the actual episode aired in the United States, but was featured in the version of the episode aired outside of North America and on the MythBusters website and included in the iTunes download as an extra scene. Part of the reason may be that the Mythbusters got much better results than other people who have tried this: http://www.popularmechanics.com/automotive/new_cars/4316702.html. How did they handle that fact in their MPG ratings? Can Adam and Jamie escape a sinking car, underwater? By Darby Harn Jul 29, 2020. Comment. They discovered that the average gas mileage for the dirty car was 24 miles per gallon while the clean car … GTA 5 Online "MythBusters" Episode 2 Myth Busting "GTA5 Online Myths" EliteSnipersRF. https://www.autoblog.com/2009/10/22/mythbusters-golf-ball-like-dimpling-mpg The sheet metal is window dressing for the most part. Autoblog fait partie de Verizon Media. By mid-afternoon the white car had a temperature of 126 °F (52.2 °C), while the black car had heated up to a temperature of 135 °F (57.2 °C), about 9 degrees hotter in the Fahrenheit scale. The textured car did 11% better. Here’s a look at the rather interesting physics behind it. The Mythbuster car had big depressions about the 3" in diameter and 1" deep. A sharkskin exterior has been used by racing sailboats for many years. Not a bad episode. They covered a car with 1" of clay and smoothed it out. With Jamie Hyneman, Adam Savage, Tory Belleci, Grant Imahara. These provided extra strength at the expense of drag. I can imagine that it might be too expensive for standard production cars, but since when is expense a factor in race cars? My educated WAG: Increased manufacturing costs to include dimples >> improvements in fuel economy from said dimples. The strength is all in the frame. Agreed on making dimpled sheet metal would cost no more than the usual un-dimpled metal. I do not believe there is significant structural strength provided by the sheet metal at all. Well the dirty car got poorer gas mileage so the initial myth was busted. Manufacturing a dimpled sheet metal car body WOULD present problems, but how about a lightweight plastic cladding with dimples in it? I think that the FastSkinz dimples are not big enough to detach the laminar flow while the big dimples on the Mythbuster car do detach the flow. I think the average was around 183 yards. I thought the same thing. Saw an episode of Mythbusters last night - they began by testing if a dirty car gets better gas mileage than a clean car (based on the assumption of a dirty car giving a "golf ball effect" - the dimples on a golf ball break up the airflow and result in better aerodynamics). I can see several places in the manufacturing process that dimpling would add significant costs. Dimpled cars and aircraft (Mythbusters) Baal_Houtham October 22, 2009, 4:16pm #1 Last night’s Mythbusters (Oct 21) tested the hypothesis that a dirty car gets better mileage than a clean one. A possible reason why dimpling isn’t used on aircraft or race cars: they are already designed for great wind tunnel results. But a Formula 1 car looks pretty weird already. 3:29. The decrease in water drag has been demonstrated clearly. Zipp puts dimples on their wheels to reduce drag : http://www.zipp.com/wheels/detail.php?ID=149 14th February 2005 Some people that use the internet weren't even born at the time of the last post before the bump. 9:53. For all I know the B-2 and F22 may have micro-dimples in their skin. I DID find it an interesting result (and probably a more worthwile use of time than watching Grant throw up). A car is obviously not the same type of shape as a golf ball, but the idea behind MPG-Plus is that dimples on a car body could have a similar effect. I don’t know of any ww2, or ww1, aircraft with textured skins to improve drag. I don’t know why they don’t. Share Share Tweet Email. Pressing the sheet metal wouldn’t be one of them, thats just an alteration to the dies. This was a function of wing cross-sectional shape, not dimpled texture, but there are offhand references to it in history books that can be confusing. UightaHubert1230. On the last episode before breaking for Christmas, the Mythbusters build team undertook the slightly ambitious project of skipping a car across a pond, as shown in the movie Cannonball Run. 02:36 Adam and Jamie get down and dirty with the myth that a muddy motorcar gets better gas mileage than it's clean cousin. STILL... Mythbusters is awesome. The theory was that the dirt would have a dimpling effect similar to that of a golf ball, but their tests told a different story. Identifying the Independent and Dependent variables of an experiment with the Mythbusters Go to the following websites and begin the watching video. 36:35. But this one actually worked. I really didn’t expect the results, because I had figured that if something that simple would work, they’d already have dimpled race cars. It doesn’t. The sad passing of Grant Imahara is an opportunity to reflect on all the joy and science that the Mythbusters show delivered fans for … For airframe - the skin is very much part of the structural strength. IvoryKim7101. Monday 26th October 2009 Just been watching the new episode of Mythbusters, where they put golf ball style dimples on a car, and achieved an … If were assume the same weight of a car’s steel sheet metal for dimples vs non-dimpled dimpled skin would probably severely compromise the rigidity of the steel panel and probably affect the crash test safety of the car. The myth was based on the dimples of a golf ball vs. a smooth surface. They then took this same car and created golf ball like dimples across the entire vehicle, while running it through the same exact tests. Vous pouvez modifier vos choix à tout moment dans vos paramètres de vie privée. Nos partenaires et nous-mêmes stockerons et/ou utiliserons des informations concernant votre appareil, par l’intermédiaire de cookies et de technologies similaires, afin d’afficher des annonces et des contenus personnalisés, de mesurer les audiences et les contenus, d’obtenir des informations sur les audiences et à des fins de développement de produit. Last night’s Mythbusters (Oct 21) tested the hypothesis that a dirty car gets better mileage than a clean one. … This is the norm when analyzing and solving real-world problems. engineering the size and placement of the dimples-- they just made the car look like an oversized golf ball).Imagine if MIT or whoever got their hands on this and squeezed a little more out of it. http://www.bikesportmichigan.com/shop/product.php?productid=16682. To keep the weight the same, they took the clay they cut out and put it inside the car. The myth was that a dirty car actually got better fuel economy than a clean car. The Mythbuster dimples were supposed to be on the same scale as a golf ball while the Fastskinz are not. Stop the video when told and then go the following websites below and answer the questions before starting the 1 st video again for the next instructions. Season 11, Episode 6 Invisible Assassins . Is the third time the charm? He thin hit a normal golf ball and averaged around 280 yards. Mythbusters was one of the most fun and creative shows of its time. The series premiered on the Discovery Channel on January 23, 2003. It was a lovely thing to see. There are so many vanes and various doodads that it’s hard to believe the airflow isn’t going exactly where the designer wants it. The added weight may offset the reduced drag. It got 26 mpg in a precisely controlled mileage test. The official MythBusters website lists episodes by calendar year. The MythBusters used two identical cars, one black and the other white, and left them both out in the summer heat with thermometers in both. There is no consistent system for organizing MythBusters episodes into seasons.The show does not follow a typical calendar of on and off air periods. The Mythbusters tested if a car gets better mileage with golf ball dimples and the dimpled car got 11% better mileage than the same car with a smooth finish. MythBusters - S06E16 - Alcohol Myths. However, the crew then built a car with a (golfball-like) dimpled surface. Mythbusters Episodes. The myth they were testing in this episode was whether or not dirt on the exterior of your vehicle makes your car more fuel-efficient. While dimples help on a round golf ball and cars with average aerodynamic efficiency, maybe they wouldn’t have much effect on a Prius or a P-51 Mustang. Spanning over a decade, there are many episodes in contention for the best. They got the car up to test speed before recording fuel consumption. All frame. I’d love to know if they’ve considered it, though. Mythbusters S05E14 Baseball Myths. They started by having a PGA pro hit a golf ball with no dimples. If what the Mythbusters did can be replicated, you might see it in the future. Meanwhile Kari, Grant and Tory are hitting the sauce and comparing hangovers to test an age old adage about beer and liquor. Hey folks, Saw an episode of Mythbusters last night - they began by testing if a dirty car gets better gas mileage than a clean car (based on the assumption of a dirty car giving a "golf ball effect" - the dimples on a golf ball break up the airflow and result in better aerodynamics). MythBusters is an Australian-American science entertainment television program created by Peter Rees and produced by Australia's Beyond Television Productions. They tested with the 1 inch of clay as a smooth surface, then cut dimples in the existing clay surface on the car. What are the manufacturing problems in applying the idea to fiberglass bodies? Mythbusters Adam and Jamie test the golf ball dimple effect on a car along 15th Street at the old Concord Navel Weapons Station, ammunition bunker area. If it can make the car go faster or need fewer pit stops, it seems like they’d be all over it. I didn't think the golf dimples would work because a golf ball has a symmetrical shape and travels through the air with no set front or back. The wings do their job, but if some other part of the car would benefit from lower drag, they’ll consider it. MythBusters Stunned by Fuel Efficient 'Golf Ball' Car Commonwealth Club - Cubberley Community Theatre Jamie Hyneman and Adam Savage, the men behind Discovery Channel's "MythBusters," share behind the scenes stories from their daring, often rudimentary and typically inadvisable tests of myths, rumors and complete hogwash with Kevin Kelly, Wired magazine's founding … 0. Can you fold paper more than 7 times? At first this probably seems like a ridiculous thing to try — of course, on Mythbusters, what isn’t? The bonus is that they show a resistance to barnacles too. Adam and Jamie covered a car in dirt and mud and drove it down a track at highway speeds to measure its fuel efficiency, and repeated the test after the car was cleaned. Wait, isn’t a car covered in 1" of clay heavier than the same car with 1" less clay? I disagree on the structural strength though. There was also this http://en.wikipedia.org/wiki/Zimmerit , but it was a defensive measure for tanks, not for increasing their speed. MythBusters - Sniper Myth. Experiment 1: Problem Dimple car: 1. Keep reading to learn about ten of the best car-based myths featured on Mythbusters! They found that the dimpled car achieved 29.65 mpg, an 11% improvement! The guys investigate lingering car smells and a raccoon in the drain. For aircraft, it may be a strength/weight thing or a cost of manufacturing thing. And the OP is probably thinking of aircraft with corrogated metal skins, best seen in the Junkers Ju52/3m. Sweaty Kari | MythBusters . Pour autoriser Verizon Media et nos partenaires à traiter vos données personnelles, sélectionnez 'J'accepte' ou 'Gérer les paramètres' pour obtenir plus d’informations et pour gérer vos choix. Race car designers will go to spectacular lengths for the tiniest improvement in performance. For race cars? Look at a dune buggy as an example. I think I’ve read about WW2 fighter aircraft with textured surfaces, but a quick google didn’t turn up anything. I saw a great episode of Mythbusters last night. Episode Viewers and Ratings. The topics, in general, do not fit neatly into individual and separate concept groups. The Mythbusters didn't even do it in a very scientific way (I.E. The designers of the time focused on getting everything as smooth as possible. Mythbusters. 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Just an alteration to the following websites and begin the watching video ( golfball-like ) dimpled..