I'll get the same number on my 26" bikes at the same speed. On a straight flat course with no wind, the two strategies are exactly the same. The first naive strategy is constant speed, the second is constant power. How does your weight impact the number of calories burned cycling? Analytic Cyclingprovides technical methods for evaluating and estimating cycling performance and parameters. So I weigh about 150, 5' 6", standard road bike. Speed is calculated by dividing cycling distance with used time. On a flat road, no wind, approximately how many watts to go 20 MPH? I'm 195 vs her 135 pounds/ I pedal continuously, while she goes on for a few seconds, off for a few seconds, so that duty cycle probably works in concert with the weight difference. FAQ. How to Convert RPMs Into MPH on a Stationary Bike. SPEED from Power, Metric units POWER from Speed, Metric units Tyres: Clinchers. I believe I was messed up in several ways actually. Cycling wattage is the power you produce with your legs to get your bike going (and, preferably, going fast). 25 MPH? Efficiency % % Predictions below: Power: watts watts Time: minutes minutes Calories: KCal KCal Weight loss: lbs lbs Go to: Home SPEED from … Drops Recently, I though it would be nice to know how many watts I’d have to produce during a workout to cover a certain distance, and in order to do that I knew I would have to crack the speed code. Photo Credit: wikipedia.org Average Speed of a Gran Fondo or Century (100 miles) The average speed of a Gran Fondo or a Century is very dependant on how hilly the terrain is. But speaking generally, I find that most 500-750W throttle e-bikes ridden at an average speed of 20 mph (32 km/h) on only slightly hilly terrain get me around 25 … The math: 200 watts at the powermeter x 3600 (seconds in an hour) = 720,000 joules = 720 kJ (kiloJoules) 1 kCal (A food Calorie is actually 1000 calories, small c, or 1 kCal) = 4.18 kJ. The efficiency of cycling humans is between 20-25% (so your body’s many systems and inefficiencies burn 4-5J of energy for every 1J you deliver to the pedals). Take any speed, square it, multiply that by.44444 and it will take you (only you) that many watts to go that speed. About BikeCalculator.com. Below is the amount of calories burned stationary bike for a 160-pound person. Options … To get some perspective for what power means in human terms, we can look at how many watts a typical rider uses on a standard bicycle. It makes extensive use of differential equations and advanced numerical methods. So 720 / 4.18 = 172.24 kCal . On our folding bikes, 20 x 2.0" tires, at 132-13 mph, I burn 9-10 WH/mile while my wife uses 6 WH/mil. Heated debates over the relative importance of weight saving and optimization of tires and aerodynamics are common in cycling. A 500 watt electric bicycle conversion kit may be listed as a 500 watt kit, yet a closer inspection could show that the kit comes with a 48V battery and a 20 amp peak controller. Each of our three sets of wheels were ridden for 10 minutes at 200W and 10 minutes at 300W. “Hit the gas to see what's your average watts. Just keep in mind that when you're a beginner, it's essential to go at your own pace. Then, how fast can an electric bicycle go? What The Law Says In the United States, the Consumer Product Safety Act defines a "low speed electric bicycle" as having fully operable / usable pedals, a motor of 750 watts or fewer, and a maximum speed of 20 miles per hour, or 32 kilometers per hour. Multiply this measurement by 3.14 to calculate the circumference of the wheel. Bartops I am just curious, too cheap for a power meter at this time. Home As a rider who recently started training with power...there is no substitute. Do not create enemies. 2. A fit human able to put out 200 watts, riding a quality bike on flat ground, can go about 20 mph, and can maintain this speed for an hour or so. The first naive strategy is constant speed, the second is constant power. 25 MPH? Analytic Cyclingprovides technical methods for evaluating and estimating cycling performance and parameters. So I weigh about 150, 5' 6", standard road bike. One cyclist might be more comfortable at 120 rpm, while another might be more comfortable at a lower rpm. Just pedaling along at a typical cruising speed for a non-sporting rider (about 9 mph) takes about 30 watts, about the same energy as normal walking. How many calories do you burn in 1 hour of cycling? It makes extensive use of differential equations and advanced numerical methods. Top track sprinters can put down around 2500 watts… The rolling hills of the Cotswolds are not the same as the Scottish highlands.So hearing from someone else that their average is, say, 20 miles per hour, means very little if you don't know where they are riding.Some areas are naturally and frequently exposed to high winds. Analytic Cyclingmethods respond in real time, characteristically returning tables and plots as products of the methods.. Take a couple of minutes’ rest, then ride as hard as you possibly can for 20 minutes and record your average power output figure in watts. ~25 mph at 260W is what I calculated from analytic cycling, for my weight on flat road. Highly inefficient for what? Assuming … Example: Consider that a bike is moving at a speed of 60km/hr. Bar ends POWER from Speed, US units Bike Calculator Estimate your Power from Speed. Mxus 3000w on a ;Mongoose Hitch fat bike with a 21s6p(78v) riding somewhat conservatively 20 -25 mph in the rolling Ozark hills I get 23 to 27 wh/mi rider and bike weight approx. Calories Burned from Cycling 9.4 mph (per minute) = (5.8 x 81.65 x 3.5) ÷ 200 = 8.29. A power meter can provide an extremely accurate measure for gauging the intensity of your workout, but it’s also an extremely expensive gadget. So if your average power is 200 watts, then your FTP is 180. The average weight of the top 10 bikes in road.cc’s 2016 bike of the year. It’s easy to calculate the calories burned stationary bike at speed of 10 mph or any other speed. In 60 minutes of cycling on a flat level surface, a … Such fit humans have to work to achieve and maintain such cycling performance. In the USA, ebikes are limited by federal law to a maximum of 20 mph, yet ebike kit motors having 350 watt motors are considered small. Training according to the cadence (RPM) and the cycling power (Watts) ... • Train for 20 minutes: - 2 min 60 Watt - 2 min 80 watt - 4 min 100 watt - 4 min 120 watt - 4 min 140 watt - 2 min 160 watt - 2 min 180 watt • Recover for 10 minutes. Here is a chart using watts of energy on a stationary bike. JavaScript is disabled. Find someone you can ride with who has a powermeter. Probably no more than 4-5 between both wheels depending on your weight and conditions - still in the quest for speed that’s excellent value. I would expect it to take into account the physiological behavior of the rider (e.g., recovery time after cracking) as well as the non-linear effect of air resistance. On a flat road, no wind, approximately how many watts to go 20 MPH? The cycling power is measured in Watts. How many watts equals an average of how many miles per hour over a flat windless course? Go up to 20 mph, and … Six segments, Power-US Most Americans seem to be opting for at least 500 watt motors, and many are encouraged to think they need 600-750 watt motors. 300 lbs. Similarly, increasing your average speed from 20 kmh to 25 kmh requires that you produce an extra 45 watts of energy, while the same increase in speed, from 35 to 40 kmh, needs an increase of over 100 watts - and you need to already be producing over 250 watts, which is already quite an achievement for most of us apart from shorter stretches of road! 750 W – 1,000 W electric bicycles. I am starting training for a time trial. You can think of it as the ultimate measure of your biking skills: the more power you can produce, the better cyclist you are. I presume you are considering racing rather than training. On our folding bikes, 20 x 2.0" tires, at 132-13 mph, I burn 9-10 WH/mile while my wife uses 6 WH/mil. Watts are a better indicator than the resistance level since the resistance level may vary from one bike to another. (damn conversion factors), The algorithm uses zero wind and flat road, which never really exists.[/QUOTE]. Speed - kmh (mph) Power (watts) Increase in power needed to increase speed by 2.5kmh: 20 (12.5) 75 : 22.5 (14) 95: 20: 25 (15.6) 120: 25: 27.5 (17.2) 148: 28: 30 (18.7) 180: 32: 32.5 (20.3) 218: 38: 35 (21.9) 262: 46: 37.5 (23.4) 311: 49: 40 (25) 366: 55: Figures assume a flat road on a windless day. The same way we can say "my e-bike can cover so many mi/km per watt-hour" or "my e-bike uses so and so many watt … When I was 41, I was about 80 lbs overweight and decided to lose weight. A version for Metric units is here. The Wattbike Atom is the perfect home gym equipment you won't want to hide. I am just curious, too cheap for a power meter at this time. A pro climber will probably average about 350 to 375 watts on the climb up the Col du Tourmalet. Analytic Cyclingmethods respond in real time, characteristically returning tables and plots as products of the methods.Try a selection from the "Tool Kit". Just pedaling along at a typical cruising speed for a non-sporting rider (about 9 mph) takes about 30 watts, about the same energy as normal walking. During a ride I like to measure my ride by miles per amp hour. It’s easy to calculate the calories burned stationary bike at speed of 10 mph or any other speed. Tom Compton, http://www.google.com/url?sa=t&sour...IcAHc6bzgS6CO7TyQ&sig2=CEBIL4O4JpFaRiokJ5s5Gw, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I usually check the wh/mi after a ride. If you live in Norfolk, where hills are few and far between, your experience will bear little comparison with a rider setting off to the Lake District each week. Watts indicate your cycling power when you are riding an exercise bike. This means we should divide any measured joules figure by 0.2 to 0.25 to find out our actual expenditure. Bike riding speeds vary widely depending on your riding conditions. Stationary cycling, 100 watts 5.5 395 Bicycling, 12-13 mph 8.0 575 Bicycling, 14-15 mph 10.0 715 Bicycling, 16-19 mph 12.0 860 Bicycling, 20+ mph 16.0 1145 *Approximation based on 150 lb. Riding at a prescribed watt allows no waste. iPhone 6 – The iPhone battery stores about 5 watt-hours of power, so you could theoretically charge it in 6 minutes. Ride next to them at a prescribed watt for 20 minutes or so and try to assign perceived exertion. You would have to increase power from 150 to 215 watts to compensate (see one of the "Power" calculators). FITNESS FOR ALL THE FAMILY. A 200 pound rider pushing 200 watts will go 8 miles per hour up a 5% grade. I'll go with Blaz.. on the 16~17 mph, now when you start to see 200 watts don't assume you would be now going 20 mph on the open road, as go faster wind resistance increases and a doubling of speed requires a cubing of the watts required. This ebike conversion kit features a 48-volt 500-watt brushless motor, which can propel your bike to a maximum speed of 20 miles per hour. That's 17,500 calories you've got to burn without replacing. How many watts is that, and how fast would you go? One Watt corresponds to one Joule of energy produced every second. The article claims that a typical fit cyclist might be able to crank out 250 to 300 watts as an average for a 20 minute FTP (functional threshold point) test, while the pros usually average 400 watts. There is a new version of this calculator! It should also be noted that 500 W is usually the minimum power necessary for an e-bike to surpass 32 km/h (20 mph) of speed. person *Approximation based on 150 lb. 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