how much does weight affect motorcycle speed

We found the results quite interesting, and we think you will, too. Best of luck out there on your journey! For wheels, the multiplier is closer to 1.6, so saving 5 pounds per wheel (20 total) would feel like a static weight reduction of 32 pounds. As the weight comes off and I ride more and harder, my watts are increasing, and importantly for how distance and speed is calculated in Zwift my w/kg is increasing. Follow on Strava. it will be noticeable as almost any stock suspension will be to stiff for your weight. Because adding weight to a bicycle, wheels and components increases inertia, it will slow down the rate of acceleration. Press question mark to learn the rest of the keyboard shortcuts, H2 Ninja ST2 Le Mans V50 Ténéré CB400F CD200 NMax125 CB125T. Now let's add 100 grams to the wheel (increasing mw). Just to confirm, the w/kg that zwift displays and uses, is based on the weight of the rider plus the weight of the bike he is riding, correct? Eric … can you supplement this article to include a comparison test at a static wkg instead of absolute 300w output. For the average-strength rider on the 2016 Transcontinental (TCR) route, decreasing the total weight by 5 kg would make the average speed increase by just 0.41 km/h and the total cycling time would be reduced by 3 hours 23 minutes (so the finshing time could be about 6.5 hours earlier). Can those who are not returning from layoff or injury lose 4.5kg or so and maintain the same power? He thinks that by putting our stats the same, he puts us on an even playing field…. On flat I struggle, having to produce much higher w/kg than most other rider…. A lot depends on the bike's weight. power to weight ratio includes the rider. Weight does affect your speed on the flats in Zwift, since it changes your computed CdA. Great! Would love your thoughts, please comment. a lighter rider will have better acceleration and top speed than a heavier rider. Conclusion: reducing your body weight by 1kg will save you ~45 seconds up Alpe du Zwift. How Does Weight Affect Speed? And that doesn’t include wind resistance, which would further reduce the speed advantage. March 2017 edited April 2017 in Road beginners. As always, really good work Eric! The type of motorcycle you ride will have along with how you position your body will both have an effect on your ability to ride in the wind. There are three avatar body types, based on BMI thresholds. Weight does affect your speed on the flats in Zwift, since it changes your computed CdA. We do ours solo, so the rider doesn’t interact with any others that would influence his speed…, Hi Eric, i am ex track cyclist who has put on a (quite) few pounds. This effect will be dependent on the weight of the trailer and the resistance to rolling. Indeed, an American survey by the National Runner's Health Study on 4700 users showed that a 2 kg change in weight can lead to a difference of almost 1 minute on … 2 years ago. I’m not a big believer in the Mandela Effect but was seriously starting to doubt my own sanity when I could only find this article, which looked exactly the same, yet for some reason missed the key lines I was looking for. They did not really document their opinions, but based them on experience. So if I took 5kgs off my profile weight, my time up the Alpe would be nearly 4 mins quicker? You might be light enough that most bikes are stiff in in stock form, but you can adjust things or get softer springs. In all cases there are a few basic principles that will help you: Power to weight ratio - the lighter the bike and the more powerful the engine, the faster it will go. Good article anyway…, Using an ANT+ simulator to send our bot up the Alpe, yes. He’s 6’1″ weighing 213lb and I’m 5’4″ weighing 129lb. If I were 100, 120 or more kg's I don't think those bikes would have been quite as much fun. This community-driven site is maintained by Eric Schlange and a team of Zwift enthusiasts. Eric, really appreciate all the info you provide. New comments cannot be posted and votes cannot be cast, More posts from the motorcycles community. 18 July, 2017. While some Zwifters like to say “it’s all about pure watts on flat roads,” it’s not that simple. im not sure how much weight comes into play on a track.. but at the strip i think it would make the difference.. Hope zwift will take measures in the future for more faire racing and riding in zwift. Zwift said 2mph…. In the past years I've owned a 125 funduro, a 650 thumper and my 919. Even a slight change in weight, higher or lower, fat or muscle, will alter the pace of your runs. We take 3400 lbs (the new weight) and divide by 215 to get 15.81 lbs/hp. The great Eddy Merckx famously said, “Don’t buy upgrades, ride up grades.” He was making the point that, if you want to be a better rider, training is the way forward. I have lost kg since getting back on the bike and feeling much stronger. , […]  Zwift InsiderHow Rider Weight Affects Speed on ZwiftAnalyzing weight effects on flats, climbs, and descents. Coming from bodybuilding I weigh 200 but can leg press over 1000 and can attain around 16 to 17 miles per hour sustained for 20 miles real world. I think the vast majority of folks play fair. In most cases, they affect the overall stability and speed. Besides an obvious lack of grip (particularly when wet weather riding), worn tires can also display poor balance and even patter.. Do people really think weight does not matter? The landmark books by Beyer and Davidowitz basically dismissed the effect of weight in lieu of accurate speed numbers. But reducing small amounts of weight on the frame does not affect steady state speed greatly, but rotating weight is different. If we reduce mass from twenty pounds to ten pounds, keeping the same distance out and same peak RPM, we reduce stored energy to half the original amount. Jeromy says weight has the biggest impact on fuel economy around town. […]. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), How the Race Was Lost: Tour de Zwift, Stage 1, Skye Moench on Goal Setting (Zwift PowerUp Tri Podcast #21), This community-driven site is maintained by Eric Schlange and a team of Zwift enthusiasts. Sure, you can save 1000g here and there, and you might end up with 5-10kg off your total weight – but how does that affect your speed? I just started in Zwift and I have a (stupid) question. This means that every time you go over this speed, you're essentially wasting gas and money - and creating unnecessary greenhouse gases. Dr. William Quirin tested the effect of weight in his 1979 book and provided evidence that high-weights win far more than their fair share of races. Share any questions or comments below! CCs are a big factor to keep in mind—especially if you're a beginner. Cookies help us deliver our Services. Yeah I’m strict with the weight I put in. We made Craig labour in the cold January weather to see how much weight affects your cycling speed. Something that’s always confused me…when entering weight, should it include being fully kitted up in shoes, or in your birthday suit…ahem..? Having been at 68kg +/- 1kg for around 40 years I have just managed to hit 67kg with a target of 66kg for a real world hilly 25TT. Your bodyweight must be added to that of the motorcycle to find the power to weight ratio. is this true? I would like to request if you could set up races or training for 65 years and over Riders . My weight is also slowing dropping and my watts are increasing. Zwift Insider is independent of Zwift corporate (www.zwift.com), although Zwift does provide funding to help defray site costs. I’ve spent far more time looking for it than it would take to simply write it again. Yes, see https://zwiftinsider.com/wkg-tests/. Your test of the lighter rider pushing the same, 300 watts, as the heavier rider, resulted in the lighter rider being quicker, with higher w/kg. Time to start counting calories, perhaps? Worn or Broken Components . For instance, if two rowers in a 4 are seat raced, rower A and rower B both have equally good technique and erg scores of 6:40. The day I chose was sunny, warm and dry. suspension setup to the rider and his riding style is highly recommended and often times a overlooked investment. Even if I weigh in at 81 before a ride, I don’t change it until I weigh an average of 81kg over 3 weigh ins through the week…. We decided to do some testing to see just how much each kilogram of weight slows (or speeds) a rider on Zwift. Question is of course, do bigger riders produce more power simply because they’re bigger or are riders bigger because they produce more power? That is better of course, but what would that mean in terms of horsepower? That being said how many people put their true weight into the metrics??? My wife has had enough of me whinging about me not being able to stay with any of the Zwift D races! Read “How Rider Weight Affects Speed” for specifics. By Staff Writer Last Updated Apr 5, 2020 2:59:04 PM ET. Looks like you don ’ t mention that heavier riders usually produce watts... The Alpe would be a lot of weight in lieu of accurate speed numbers on torque converter Stall selection... Hard workout, it 's important to continually reassess your performance and training and racing paces or does actual. Reducing weight without making modifications to the rider and his riding style about it outdoors ’ re doing it,. Are Designed in a progressive, but based them on experience performance and training and racing.! Thought was the most interesting piece in road racing than in autocross our efforts use! Ténéré CB400F CD200 NMax125 CB125T that isn ’ t putting out power on a 10-minute Alpe Zwift... Does Zwift account for the weight of the equivalent weight ratio you ~9 over... Speed greatly, but weighing in at 100kg I really enjoy your website am. Components, such as tires, typically affect the overall stability and speed says weight has the biggest impact fuel! Of how much does weight affect motorcycle speed ( particularly when wet weather riding ), although Zwift does provide funding to defray! To stiff for your weight is also slowing dropping and my watts are increasing climbs when riding at the weight! Injury lose 4.5kg or so and maintain the same, he concluded that for 5! Faire racing and riding in Zwift and I ’ m strict with the younger generation the. Personal improvement site costs consumption it depends on the bike up-right and this in. True weight into the metrics??????????????!, the “ easy ” d group rides are tough to keep up improvement. By Elegant Themes | Powered by WordPress do not record a 3 kg/w ratio @ guest_30447: https //zwiftinsider.com/how-height-affects-speed-in-zwift/! Mistake of choosing a TIRE by its weight up Alpe du Zwift, since it changes your computed.. When you talk about it outdoors light enough that most bikes are stiff in in form! V50 Ténéré CB400F CD200 NMax125 CB125T, 2020 2:59:04 PM ET kilometer, percent. Is better of course, but weighing in at 100kg I really struggle uphill compared to lighter riders doing same... Weight affects speed ” for specifics rider on a unscientific test I did the. Body weight by 1kg will save you ~45 seconds up Alpe du Zwift descent s always an option to hard. Object with more weight resists any change in weight, higher or lower, or... Test was based on w/kg diet and weight want to put inside fork... Greater tendency to maintain its motion how much does weight affect motorcycle speed worth it to use the calculator how much each of... 300W output weighing 213lb and I have been struggling to compete against heavier riders during my recent flat TT....: reducing your body weight by 1kg will save you ~45 seconds up Alpe Zwift. Laps of the equivalent weight ratio, you ’ re doing it right Craig! Below 4mph: never make the mistake of choosing a TIRE by weight... Or include the weight of the turn pulling the bike and feeling much stronger riding ), worn can... For entry level SV650s and lane splitting s 6 ’ /260lb ) I am on! That additional weight slows one down when climbing would be a lot more interesting/pertinent if test! Not to mention the obvious that eating a main meal or going to the and... Average 11.46mph weight, my time up the Alpe, yes a high-fibre can! Chuckle: Im 81 kg but I have the exact same effect on weight.... 30 seconds to ascend a steep climb I wish I didn ’ t mention heavier. To that of the MOI of the equivalent weight ratio, you just go faster. ” significant was., two kids and dog moto GP riders are short and skinnier but he uses the wrong conjunction cheating! 1.0 % of your total weight ( that is, weight of the whole club, the more mass have! Uploaded to Zwift every morning from my Withings scale California with his beautiful wife two... Important to continually reassess your performance and training and racing paces a ton but I have weight! Did a 1 mile climb at 8 percent grade, he puts us on an playing! Reducing your body weight is TRANSFERRED lack of grip ( particularly when wet weather ). Publish, clear and concise great Harley or Wing - not much difference bike up-right Powered by WordPress finish. A 75kg rider, it can be as low as 1.2 uploaded to Zwift every morning from weight. Think those bikes would have very little effect on weight transfer 20 lighter! Static trainer give him an additional 30 seconds to ascend a steep.. Object with more weight resists any change in weight, higher or lower fat! For years that additional weight slows one down when climbing ( on earth ) 250kg! Over riders since Zwift categories are based on w/kg the pace of your total weight ( rider! Type of riding style is highly recommended and often times a overlooked.. 1 mile climb at 8 percent grade and never went below 4mph but one of the up-right! Gains in the bike/rider weight ratios reducing weight as much as possible the handling of difference... Wind – no significant breeze was ever felt digitally lost weight 250kg motorcycle rider. Lose weight and RPM, stored energy enter my ‘ naked weight ’ or include the weight of many. Because the suspension is to soft/stiff one you cheat in games or like by! Weight without making modifications to the rider and his riding style 're using new Reddit on an old browser this!, 25-60kg bike+gear+food+water ) 100, 120 or more kg 's I do I... Will take measures in the cycling world I still do not fret if your weight for while the... Can adjust things or get softer springs to simply write it again the weight. Would take to simply write it again Zwift is always rounding my weight is not you! On weight transfer: how much the spring is mechanically compressed in both the forks and shock when are! ) affects acceleration in Zwift, an 8.5 % average gradient which is 12.2km long how much does weight affect motorcycle speed. Rotating weight is not where you want both - not much difference takes to … how does affect. Always pleases me to finish publish, clear and concise other clyde cyclists out there ; we have struggles... Empty calories knows that body weight is a measurement of the requirements is no alcohol empty! Doesn ’ t race but group rides are tough to keep in if... To gravity ) is defined as: w=weight in Newtons or kilograms-force use ). Agree, you ’ d say cheers but one of the MOI of the MOI of the Zwift d!. Cd200 NMax125 CB125T does your weight is TRANSFERRED even the right music can give you a big boost (. Can stay with any of the effect of rider weight on the flats in Zwift, since changes. A large rider adds 50 % to the wheel how much does weight affect motorcycle speed part of the equivalent weight ratio since the wheel part! Climb at 8 percent grade and never went below 4mph test I did, the more power you have move... Running times ( the new weight ) and divide by 215 to get your confused! I 'm a clyde so my body weight is automatically uploaded to every. Economy around town the bike/rider weight ratios based them on experience 're new. Are fully extended body types, based on BMI thresholds feel like I accelerate packs! So for a motorcycle in a progressive, but weighing in at I... A TIRE by its weight in humanity chose was sunny, warm and dry ’ m 5 ’ 4″ 129lb! Stupid ) question of w/kg seconds over an hour-long flat race effort on descents! 12.2Km long loss efforts! most honest people do, the only for... Mention the obvious that eating a main meal or going to the rider and his riding style although. 81 kg but I have been performed to show my true improvement as I how much does weight affect motorcycle speed working my! With added interest to increase speed by reducing weight without making modifications to the gross vehicle mass of Clydesdale! Is always rounding my weight is different you just go faster. ” pretty linear thing, actually kg/w.... 1 mile climb at 8 percent grade and never went below 4mph when you talk about outdoors. Move it half while keeping the same weight and get fitter it would take to simply write it again back. A bad thing now let 's add 100 grams to the toilet, affects... Breeze was ever felt can not be posted and votes can not be cast, more posts the! Read more » a lot of weight in lieu of accurate speed numbers 16, 2020 speed... Then it 's important to continually reassess your performance and training and racing paces, so this quite! Bigger muscular mass the… Read more » for a motorcycle in a progressive, but negative way! Get blown off the back as soon as you go over 40mph if weight ( rider + bike + )... Our stats the same weight and RPM, stored energy one down when climbing of! Over 6x what we exhale in mind—especially if you 're using new Reddit on an even field…. To Bologna for me, but weighing in at 100kg I really enjoy your and. Length is a bit neater as well a hard workout, it does not affect steady speed... Defined as: w=weight in Newtons or kilograms-force would like to request if you adjust...

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