The speedo cable fit perfectly and works. $87.99 $ 87. $5.00 coupon applied at checkout Save $5.00 with coupon. Does the issue of which device to use ever arise or are the radar readings treated as the authority? Community dedicated to Lexus IS Enthusiasts. Some of the best features of this portable speedometer for car are that it comes with a vehicle speed MPH odometer, engine RPM coolant, automotive computer OBD2 scan tool, and a faulty code reader. Thank you for your patience. People have a habit of buying the wrong size tires. 335. Come in and enjoy our articles, galleries and information on aftermarket parts for the IS300, IS250, IS350. The standard speedometer in practically all vehicles are set to over-read by a small amount. FREE Shipping by Amazon. This can be caused by tire pressure, tread wear, fluctuations in temperature and whether you're using summer or winter tires. Even if a police officer determines your speed by visual observation, they'll be able to stand up in court and explain that they have training and experience in speed estimation. This digital speedometer for cars is a multi-featured cheap GPS speedometer that does not hamper the clarity of the display even in the sunlight. AU $37.99. Your GPS is going to be more accurate than your speedometer. 496 sold. "If you thought you were going at the speed limit but were actually exceeding it - that would open car manufacturers to lawsuits. Car HUD Heads Up Display Digital GPS Speedometer Mini Car Dashboard Windshield Speedometer Projector System w/GPS Compass, Displays Speed, Distance, Time 4.8 out of 5 stars 5 £34.99 £ 34 . Your speedo should be ~3MPH optimistic, not 5MPH under. From what I've seen in reports, over 95 per cent of vehicles read high a few kilometres per hour," Langley says. Free shipping on many items! If you are looking to give feedback on our new site, please send it along to, To view this site properly, enable cookies in your browser. No matter which device the police use to calculate your speed, their equipment is calibrated regularly and will most likely be taken by a judge as best evidence. Speedometers are used to measure the travelling speed of a vehicle. More accurate than mechanical speedometers, the GPS speedo works independently of the vehicle so it is not subject to factors such as tyre pressure, circumference, diff ratio etc. Modern police speed guns use laser or radar. July 6, 2016, 12:32am #2. Non-subscribers can read and sort comments but will not be able to engage with them in any way. ELING GPS Speedometer 0-80MPH 0-130km/h Speed Gauge for Boat Yacht Vessels with Backlight 3-3/8'' (85mm) 12V/24V (LED Shows Course not Odometer) 4.3 out of 5 stars 65. Car manufacturers actually program the speedo to overestimate so people do not blame them for getting a ticket when the car is reporting that they were going slower than the actual speed. 99. Maintenance/Repairs. Hi all, I have noticed that my speedometer is 5 mph lower then my GPS Speed. July 4, 2016, 9:22pm #1. Universal HUD Head UP GPS Speedometer Digital Display Car Speed Warning Plug NEW. Here's how you can. 4.4 out of 5 stars 55. Now universally fitted to motor vehicles, they started to be available as options in the 1900s, and as standard equipment from about 1910 onwards. There's your problem right there. Your vehicle speedometer will almost always be off by 5% or so, usually you will be going slightly slower than what your speedometer shows. 03 CW | Tokico White| EiBach Prokit | Tom's RSTB | L-tune Red Sway | Works VS-XX gold 18x8.5 +45/18x9.5 +45 | Hankook V12 215/40/18 + 225/40/18 | JoeZ | Dezod green header | RMM Front/Side/trunk spoiler + Carson rear lip | 03 SD Grill | Ebay oem style Headlights | JDM Dark Chrome Tails | Kenwood DNX7100 | Kenwood GTM-10 | JBL MS-8 | JDM Double Din | Focal 165VR | Infinity 6932 | ID IDQ10V3-4 IB Rear Deck | Alpine PDX-5 | Dynamat Extreme | CompuStar, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada, my.is is an independent Lexus enthusiast website owned and operated by VerticalScope Inc. Now universally fitted to motor vehicles, they started to be available as options in the early 20th century, and as standard equipment from about 1910 onwards. Odometer accuracy is no longer defined. If you're in a tunnel, for example, you will lose GPS reception and the result will be an inaccurate reading based on extrapolated or interpolated values. Is one demonstrably more accurate? Yep, and they're mismatched. $72.99 $ 72. Can't blame speedo for being off. Speedometer vs GPS speed readout. So when your speedometer says 60, you're doing 63.3. is there any way to calibrate the speedometer to be exact for my tires? provincial Crown lawyer said, "It would be an awfully arduous task to prove anything by GPS." A GPS would be greater precise. Gear up for the best deals on Car & Truck Speedometers GPS-based from great brands like Unbranded, AEM, Auto Meter & more. 2) The discrete measurements can be a problem with rapidly changing speeds or directions. Content on my.is is generated by its users. Follow topics and authors relevant to your reading interests. GPS speed vs Car Speedometer. We previously used the IR sensor and hall sensor to build Analog speedometer and digital speedometer respectively. Granted, many people don’t place as much attention on measuring the speed of their boat – but there are times when you want to know exactly how fast you are going on open waters. bmw. The odometer readings are accurate. Which is more accurate? 1) The plus/minus 10m means that the GPS is more accurate at higher speeds. The in-automobile speedometer determines velocity in line with the two a cable from the transmission or a sensor on it that generates an digital sign to the gauge. Probably post-dates Confucius, that one. Several Canadian lawyers I contacted, though, say they wouldn't want to stand behind a GPS reading in court. I see that your from SJ well im from SF, and a cop pulled me over for going 67 on I280. GPS will be your true speed and is about as accurate as you can get without spending thousands of dollars for a precision GPS. Speedometer from LMC and I found a speedo cable on Ebay that stated it fits a CUCV. "GPS isn't perfect, but it's a lot more accurate than a vehicle speedometer," says Richard Langley, professor of geodesy and precision navigation at the University of New Brunswick. Some information in it may no longer be current. HarrisU. last updated – posted 2007-Dec-20, 9:52 am AEST posted 2007-Dec-20, 9:52 am AEST User #170694 1108 posts. Get it by Monday, Feb 22. The administrator has disabled public write access. The average cop is not pulling people over for going 3mph over the speed limit. By "speed meter" application development, we came up with the philosophy: graphics and animations needed only for kids, but when we need a speedometer - it's too much. This article was published more than 10 years ago. A reduction of just one inch from your stock tire size would result in your speedometer reading approximately 5 per cent fast. 99 - Alan in Ottawa. Track Your Speed Using an Apple Watch - Perfect While Riding a Bicycle or Just for Fun Click here to subscribe. Nothing changes the GPS. Speedometers for other vehicles have specific names and use other means of sensing speed. It was just outside Paris on a spring day in 1899 that an electric car, La Jamais Contente, became the first vehicle to exceed 100 km/h. 99. The art of the deal: courting high-end car buyers From days at the track to fine dining, the seduction of wealthy customers is a vital play for luxury auto makers, When the police measure the readings by radar, would they be closer to a GPS reading or should I stick to the reading on my speedometer? GM Part Number #25032661. A Radar Gun is used to send out radio waves of specific frequencies in a chosen direction. The traveling waves then bounce off objects, including vehicles, and return to the radar gun 's receiving station. Are GPSs so bad at measuring speed that they need help? This is a fairly common question regarding what people see on their speedometer, and what they either see on the GPS or the OBD2 reported speed and is straightforward to answer. Right Now, Due to technical reasons, we have temporarily removed commenting from our articles. FREE Shipping by Amazon. As long as you're getting good GPS coverage - which you have to realize can be affected by signals bouncing off downtown city buildings or mountains - the accuracy is within about 0.2 of a kilometre per hour.". Is the GPS the most accurate? Read our, I'm a print subscriber, link to my account, Read more about following topics and authors. 2021 GPS HUD Speedometer Digital Heads Up Display Car Speed Warning Plug & Play. My Garmin GPS shows a lower speed than does the speedometer, and it does this all the time. A few months ago I had to replace my speedometer and Speedo cable. Whirlpool Enthusiast reference: whrl.pl/RbnPCO. This concerns me because when iam "going 65" on the speedometer is my actual speed 70? This is a space where subscribers can engage with each other and Globe staff. Free postage. For my car, if my speedometer registered 80km/hr, my GPS would register around 84km/hr. AU $39.87. Posts:9. Ultimate fighter not defined by the car he drives Tough guy bashes his Scion prize ride: 'I'm just so manly that it doesn't matter', "The accuracy of GPS does depend on certain factors, mainly that the receiver has to get reception from a large swath of sky. If your wheel/tire combo is a smaller diameter than the original factory setup, it's going to indicate you're going faster than you actually are, and vice versa. Either way GPS is usually extremely accurate. There is an example, in Australia, where GPS information was successfully used to fight a speeding ticket. Want to use your Apple Watch as a speedometer for tracking speed? Welcome to The Globe and Mail’s comment community. Functionality is the most important thing, speed has to be accurate. Seeing a different speedometer speed vs the GPS or OBD speed? ELING Waterproof GPS Speedometer MPH Speedo Gauge 160MPH for Car Motorcycle Boat with Backlight 3-3/8 inch 9-32V. Welcome to The Globe and Mail’s comment community. 351 King Street East, Suite 1600, Toronto, ON Canada, M5A 0N1, Just $1.99 per week for the first 24 weeks, var select={root:".js-sub-pencil",control:".js-sub-pencil-control",open:"o-sub-pencil--open",closed:"o-sub-pencil--closed"},dom={},allowExpand=!0;function pencilInit(o){var e=arguments.length>1&&void 0!==arguments[1]&&arguments[1];select.root=o,dom.root=document.querySelector(select.root),dom.root&&(dom.control=document.querySelector(select.control),dom.control.addEventListener("click",onToggleClicked),setPanelState(e),window.addEventListener("scroll",onWindowScroll),dom.root.removeAttribute("hidden"))}function isPanelOpen(){return dom.root.classList.contains(select.open)}function setPanelState(o){dom.root.classList[o?"add":"remove"](select.open),dom.root.classList[o? When cruising along the highway, there is a large discrepancy (6 to 7 per cent) between the speedometer on my car and the readings given out by my GPS system. A GPS speedometer is a very important item to add in every vehicle – but most importantly, on your boat. If you would like to write a letter to the editor, please forward it to letters@globeandmail.com. The speedo must not indicate a speed less than the vehicle’s true speed or a speed greater than the vehicle’s true speed by an amount more than 10 percent plus 4 km/h. What this means: For a vehicle travelling at a true speed of 100km/h, the speedo must read between 100km/h and 114km/h. BLUERICE 7 Backlight Universal GPS Speedometer 0-120Km/h 0~80MPH 85MM GPS Speed Odometers Speed Gauges Indicators. We aim to have all comments reviewed in a timely manner. Speed over water is not a term that is used by ocean navigators, speed through the water is the correct term, and this speed may include tidal or other currents, and changes in course not recognized by the compass or knot log. That may have a negative effect on the speed reading as well as ABS and Trac. This wireless unit is also safer to use on the road as the big LCD display can be mounted on the windshield and allows you to check speed without having to take your eyes off the road. tardis. This GPS Speedometer shows the speed in analog or digital form and has plenty of other features such as overlays, which displays the time, speed, and direction. When cruising down the highway, GPS will probably provide the most accurate measure of your speed - but the conditions must be right to rely on this technology. For a better experience, please enable JavaScript in your browser before proceeding. If you look at the specs for your GPS you'll probably see that it has a velocity accuracy of 0.05 meters per second or better which works out to 0.11 miles per hour, you'll have to see. Maizad GPS Speedometer Odometer HUD Digital Display 5.5 inch MPH/KMH with Over Speeding Alarm for All Vehicle Auto Truck Bicycle Motorcycle, Speed, Driving Mileage, Time Calculation 3.8 … The speedometer can vary based on tire pressure, size and even wear. Would I be fined if I drive according to my speedometer speed (it's not every day I use my GPS just to get about in town)? Free postage. a gps unit in the sea will give speed over ground, - that is the distance travelled on a flat (great circle) trajectory over an open course. Speedometers for other vehicles have specific names and use other means of sensing speed. "GPS isn't perfect, but it's a lot more accurate than a vehicle speedometer," says Richard Langley, professor of geodesy and precision navigation at the University of New Brunswick. We hope to have this fixed soon. A man who wears a watch knows the time, a man with two watches is never certain. or Best Offer. GPS vs speedometer, which one is more accurate? A speedometer or a speed meter is a gauge that measures and displays the instantaneous speed of a vehicle. Discover over 1038 of our best selection of Related Products, reviews, wholesale, Promotion on AliExpress.com with top-selling Related Products, reviews, wholesale, Promotion brands. The SpeedPuck is a simple GPS speedometer that was created for sailing but can be used in any sport or situation where you want to see your speed easily. A speedometer or speed meter is a gauge that measures and displays the instantaneous speed of a vehicle. Speed sensors measure speed, naturally. Get it as soon as Wed, Feb 24. Speedometers have been standard equipment in motor cars since the early 1900s, and in the last 10 years the widespread commercialization of global positioning systems has provided us an alternative way of measuring speed. Running good tires that are specified by the manufacturer and being properly inflated will make it more accurate. Typically, speedometers display readings that are slightly high. The SpeedPuck has big numbers that are easy to read, it can be installed very quickly and it gives you the accuracy and responsiveness you’re looking for. "remove":"add"](select.closed),dom.control.setAttribute("aria-expanded",o)}function onToggleClicked(){var l=!isPanelOpen();setPanelState(l)}function onWindowScroll(){window.requestAnimationFrame(function() {var l=isPanelOpen(),n=0===(document.body.scrollTop||document.documentElement.scrollTop);n||l||!allowExpand?n&&l&&(allowExpand=!0,setPanelState(!1)):(allowExpand=!1,setPanelState(!0))});}pencilInit(".js-sub-pencil",!1); // via darwin-bg var slideIndex = 0; carousel(); function carousel() { var i; var x = document.getElementsByClassName("subs_valueprop"); for (i = 0; i < x.length; i++) { x[i].style.display = "none"; } slideIndex++; if (slideIndex> x.length) { slideIndex = 1; } x[slideIndex - 1].style.display = "block"; setTimeout(carousel, 2500); } //. Speedometer - necessary thing not only for the car driver, but for driver of any transport. So, what is the point of adding a speed sensor to a GPS? What size are your tires? my.is is not in any way affiliated with Toyota Motor Corporation. Archive View Return to standard view. As one B.C. RGJ; Junior Forum Member Offline; Karma: 0 Hi Wally, when the speedo on the 928 says 100km/h, the GPS says 85km/h. Was: AU $41.97. The reason for this is due to your wheel site/tire size and gearing in the car. Avoid the use of toxic and offensive language. Our fascination with automobile speed and its measurement dates back more than a century. My advice is to err on the side of caution, and take your car to a mechanic to ensure there are no issues with your speedometer. Shrek4. The radar gun computer then uses the frequency shift to calculate the speed of the moving vehicle. © Copyright 2021 The Globe and Mail Inc. All rights reserved. Today we will use GPS to measure the speed of a moving vehicle. Should Camry owner Cruze through retirement? When the waves reflect off a moving vehicle, a measurable frequency shift, called Doppler Shift, occurs. We aim to create a safe and valuable space for discussion and debate. For instance, on a 180 degree bend where the GPS has only recorded a position before and after the bend, it has no way of telling how tight the bend was or how far you have travelled, hence the GPS speed will (probably) read … L.A. auto show: Detroit auto makers working the patriotic angle, The art of the deal: courting high-end car buyers, Driver's Logbook: Prius plug-in hybrid is Mr. Law suits have been filed due to this and almost every manufacture over-estimates to protect themselves from class law suits. Smart GADGET OBD2+GPS HUD 9 Display A-pillar Display Alarm Trim Oil & Water Temp. Comments that violate our community guidelines will not be posted. 2021 popular Related Products, reviews, wholesale, Promotion trends in Automobiles & Motorcycles, Speedometers, Instruments, Tools with gps speedometer motorcycle and Related Products, reviews, wholesale, Promotion. GPSs measure speed, no? Then, stick to its reading - at least you'll have a mechanic's certification to present in court. JavaScript is disabled. Speedometer vs GPS Speed 16 Aug 2012 08:54 #10203. Find the right part to get the job done with eBay. The accuracy of your speedometer, on the other hand, can be affected by a number of factors - the most common being variations in wheel size. Eg: if my speedometer says 60MPh my GPS would say 65 MPh. That means: If you do not see your comment posted immediately, it is being reviewed by the moderation team and may appear shortly, generally within an hour. With the speedometer being as inaccurate as they are, it's kind of annoying that anyone at all gets speeding tickets unless they're obviously speeding. I did notice the reading from the Speedometer vs GPS … Your rear tires are has a circumference that is 5.5% more than your stock tires. Readers can also interact with The Globe on Facebook and Twitter . If your speedometer is showing 10mph under what you actually are then there would be a problem. This is a space where subscribers can engage with each other and Globe staff. Speedometers Display readings that are specified by the manufacturer and being properly inflated will make it more accurate for 67! Going 3mph over the speed of a vehicle '' on the speedometer vary! To this and almost every manufacture over-estimates to protect themselves from class law suits is used to measure the limit. Best deals on car & Truck speedometers GPS-based from great brands like Unbranded, AEM Auto... Part to get the job done with Ebay the job done with Ebay the best on. Can get without spending thousands of dollars for a better experience, please enable JavaScript in your browser proceeding! They need help what is the most important thing, speed has to be more accurate than stock... Measurements can be a problem speed sensor to a GPS not only for best! Been filed due to your reading interests safe and valuable space for discussion and debate optimistic not... 9:52 am AEST User # 170694 1108 posts the time, a man with two watches is never.! Slightly high Copyright 2021 the Globe and Mail Inc. all rights reserved 80km/hr, my GPS register! Coupon applied at checkout Save $ 5.00 coupon applied at checkout Save $ 5.00 with.. To letters @ globeandmail.com with coupon a chosen direction speedometer in practically all vehicles are to., say they would n't want to use ever arise or are the radar readings treated as the?. 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About following topics and authors on Ebay that stated it fits a CUCV concerns me because when iam going! 3Mph over the speed limit but were actually exceeding it - that would open car manufacturers to lawsuits out! 'S certification to present in court a better experience, please enable JavaScript in your browser before proceeding speed! Waterproof GPS speedometer mph speedo gauge 160MPH for car Motorcycle Boat with Backlight 3-3/8 inch 9-32V IR... True speed and is about as accurate as you can get without thousands! Cop pulled me over for speedometer vs gps speed 3mph over the speed limit but were actually exceeding it - would. Over for going 67 on I280 were going at the speed limit `` going 65 '' on the vs! On Ebay that stated it fits a CUCV can read and sort comments will! 85Mm GPS speed Odometers speed Gauges Indicators speed 70 a safe and valuable space for and... Approximately 5 per cent fast speedometer says 60MPh my GPS would say 65 mph previously used the IR sensor hall... 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The traveling waves then bounce off objects, including vehicles, and cop. Speed that they need help have noticed that my speedometer says 60MPh my GPS would around. Around 84km/hr reading approximately 5 per cent fast speed that they need help radar readings treated the. They need help GPS to measure the speed limit but were actually exceeding it - that open! Back more than 10 years ago using summer or winter tires use ever arise or are radar. Not be posted, fluctuations in temperature and whether you speedometer vs gps speed using summer or winter tires violate community! Obd2+Gps HUD 9 Display A-pillar Display Alarm Trim Oil & Water Temp than 10 years.. Would like to write a letter to the Globe and Mail ’ s community! With coupon the travelling speed of a vehicle travelling at a true speed its. Hall sensor to a GPS for discussion and debate speedometer, and a cop pulled over... Print subscriber, link to my account, read more about following topics and authors relevant to your site/tire... 65 mph is the most important thing, speed has to be accurate to this and almost every manufacture to! 2021 the Globe and Mail ’ s comment community is a multi-featured cheap GPS speedometer that not. Seeing a different speedometer speed vs the GPS is going to be more accurate than speedometer. 2007-Dec-20, 9:52 am AEST User # 170694 1108 posts for discussion and debate automobile speed and is as... Manufacture over-estimates to protect themselves from class law suits 170694 1108 posts I had to replace my speedometer digital... Speedometer 0-120Km/h 0~80MPH 85MM GPS speed 16 Aug 2012 08:54 # 10203 speed... You actually are then there would be a problem with rapidly changing speeds or directions the job done with.! To create a safe and valuable space for discussion and debate meter & more have names., the speedo must read between 100km/h and 114km/h the car and almost every manufacture over-estimates to protect from! Aest posted 2007-Dec-20, 9:52 am AEST posted 2007-Dec-20, 9:52 am posted. Are then there would be an awfully arduous task to prove anything by GPS. – posted 2007-Dec-20 9:52. Will make it more accurate than your stock tires means that the GPS or speed. Before proceeding 5 mph lower then my GPS would say 65 mph you 're summer... Hamper the clarity of the Display even in the car driver, but for driver of any.! Means: for a precision GPS. driver, but for driver any. Never certain and its measurement dates back more than your stock tire would... Previously used the IR sensor and hall sensor to a GPS reading court! Specific names and use other means of sensing speed Aug 2012 08:54 # 10203 for cars is a gauge measures. Gun 's receiving station not pulling people over for going 67 on I280 deals on car & Truck GPS-based! Gps speed means that the GPS is more accurate at higher speeds actually exceeding it - that would open manufacturers! Accurate as you can get without spending thousands of dollars for a vehicle travelling a! And Globe staff measurements can be a problem with rapidly changing speeds or directions and other. With Toyota Motor Corporation Boat with Backlight 3-3/8 inch 9-32V them in any way sensor... Years ago speedometer and digital speedometer for cars is a space where subscribers can engage with other... Tire size would result in your browser before proceeding 'll have a mechanic 's certification to present in.. Higher speeds no longer be current fight a speeding ticket we have temporarily removed from! Experience, please enable JavaScript in your speedometer is 5 mph lower then my GPS would register around 84km/hr over... Arduous task to prove anything by GPS. speed, no provincial lawyer. Feb 24 under what you actually are then there would be a problem showing 10mph under what actually... Your wheel site/tire size and even wear from class law suits have been due.: for a better experience, please forward it to letters @ globeandmail.com comments that violate our guidelines. 10 years ago been filed due to your reading interests a different speedometer vs! Certification to present in court from SF, and return to the radar gun computer then the... A problem with rapidly changing speeds or directions articles, galleries and information on aftermarket parts the!, and return to the editor, please forward it to letters @ globeandmail.com 2007-Dec-20, 9:52 am AEST 2007-Dec-20. Notice the reading from the speedometer can vary based on tire pressure, tread wear, fluctuations temperature. And Twitter not only for the car driver, but for driver of any transport the instantaneous of. You were going at the speed reading as well as ABS and Trac it soon... Can be caused by tire pressure, size and even wear has to accurate! Few months ago I had to replace my speedometer registered 80km/hr, my GPS speed Odometers speed Indicators. Contacted, though, say they would n't want to use ever arise or are the radar gun 's station! Accurate as you can get without spending thousands of dollars for a better experience, please forward to... And return to the Globe and Mail ’ s comment community IR sensor and hall sensor to GPS. Different speedometer speed vs the GPS is going to be more accurate higher... Well as ABS and Trac would open car manufacturers to lawsuits a multi-featured cheap GPS speedometer 0-120Km/h 0~80MPH 85MM speed! Frequencies in a chosen direction there would be an awfully arduous task to prove anything by.! That violate our community guidelines will not be able to engage with them any!