Most Americans seem to be opting for at least 500 watt motors, and many are encouraged to think they need 600-750 watt motors. Yet, many … Watts increase with the square of the speed. AND you get to see the answer in 7 other different units !! The number of calories you burn while exercising is dependent on the exercise you do, your weight, and the time spent doing the exercise. A combined human and e-motor power of 150 watts is enough to make bicycle technology work and work well to meet much of our transportation needs. Besides rated wattage, wind generator manufactures also normally provide a so-called Power Curve (also known as a Performance Graph or Power Output Graph), that plots the output in watts or kilowatts as a function of instantaneous wind speed. http://www.gribble.org/cycling/power_v_speed.html, https://kurtkinetic.com/technical-infor ... ower-tech/, viewtopic.php?f=40044&t=13020685&p=19496365#p19496365, viewtopic.php?f=40044&t=13020702&p=19589281#p19589281, http://www.slidingseat.net/cycling/cycling.html. A kilowatt is 1,000 watts. Looking for the number of lumens of a 15 Watt LED, incandescent, halogen or CFL bulb? I wonder if anybody has any idea how many watts you push at various speeds?? If in zero wind you are riding at 16mph with a power of 100 watts, then you ride into a headwind of 10mph but still maintain 100 watts by how much will that headwind reduce your speed? watts = 2.80/pace³; pace = ³√(2.80/watts) where pace is time in seconds over distance in meters. A 12 volt 1ah (amp hour) battery is rated to put out 12 watts for 1 hour before it is fully discharged. To. Cadence 100. what did you put in for the other variables (rider weight, bike weight etc). Only went to 30 but here you go, use it wisely! There is a new version of this calculator! The speed of an object is the magnitude of its velocity. Have a look for an iPhone app called bike calculator, it gives very good estimates of wattage for various gradients, speed, wind speed, weight and even position on the bike. Ready, Set, Bike! The energy E (Wh) in watt-hours is equal to the electric charge Q (mAh) in milliamp-hours times the voltage V (V) in volts (V) divided by 1000:. See profile for picture. Depends on the amp hour rating. 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. Holding 20MPH. Convert speed to watts. I need a chart with all other variables factored in except it taking. 18 mph: 26 mph: Average Bike Speed up an 5% hill: 9.5 mph: 15 mph: Average Bike Speed up an 8% hill: 7 mph: 12 mph: Fastest Downhill Bike Speeds: 47 – 57 mph: 69 – 81 mph: Average sustainable watts for 1 hour (FTP) 200 watts: 415 watts: 5 second Sprint: 33mph/700 watts: 40mph/1250 watts: Tour De France Average Speed: N/A: 25mph (average of the 3 weeks) The Calorie Burned Calculator is used to estimate the number of calories burned after exercise.It's very simple, you only need input your weight and exercise duration. watts = 1 × 15A × 120V = 1800W. Duration: 1 hour, 35 min. There are many different standards and types of horsepower. The calculators on this page calculate power from your speed and other parameters. Although a 250 watt e-bike can go over 15 mph, the throttle need not be cranked to max when not at a dead stop. Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. Is it me, or if this mystical chart existed and was reliable would we all be wasting our money on power meters, when we could just buy a cheap speedo? Note that rounding errors may occur, so always check the results. Here (kg) is the weight of the car plus passengers in kilograms (pounds divided by 2.2), V is the average speed of the car in meters per second (65 mph is 29.1 m/s), DV is the change in speed (10 mph is 4.47 m/s), Dt is the average time interval in seconds, and P is the power requirement in watts … watts w = 115.007 + (-15.8397 × s) + (1.15006 × s × s) The rating is somewhat like a car's horsepower figure. Will you be replying to any current threads too? watts … In simple, Speed is a way of measuring how quickly something is moving or being done. For example: a 2:05/500m split = 125 seconds/500 meters or a 0.25 pace. Interesting - These charts seem to show zero wind conditions. What difference would there be if riding into a head wind of say 10 mph? From. Watts are then calculated as (2.80/0.25 ^ 3) or (2.80/0.015625), which equals 179.2. Watts are basically the miles-per-hour measurement of the electrical world--they tell you how fast the electrons are speeding down the highway. ... spin 15 mph around the same 20-mile loop three times a week expecting to make measurable fitness gains. View our conversion table here. Let's start with that 60-watt lightbulb. 1 min at 130-140% watts of your FTP. Of course you can only estimate your drag numbers, but for a general reference, you're at about 170 watts at 20 mph, and 300 watts at 25 mph. 4 min recover. The aero drag force acting against you increases with your speed squared, i.e. Well, it takes me more like 180w to average 15mph on a ride. 15 Kilowatts = 15,000 Watts (exact result) Display result as. 1 watt is equal to 0.0013404053117582 HP. For inductive load (like induction motor), the power factor can be approximately equal to 0.8: watts = 0.8 × 15A × 120V = 1440W. but it is 10% of a bigger number, so the power needed is still more, if you ease off the power you will slow down! We assume you are converting between watt and horsepower [water]. 1) 287 watts 2) 25.61 mph (29:07) 3) 20k 4) 203 lbs 5) Cervelo P2C, wheelbuilder cover rear, Easton Vista SL front. 300 watt mid-drive motor…this is the most efficient bike on this list, meaning it will get you further per watt hour (we estimate 15 watt hours per mile). FIRST CHOOSE WHAT YOU ARE SOLVING FOR In this case we are solving for ENERGY, so click on that button. How many watt in 1 HP? Evo CX tires with Michelin latex tubes. You need to also account for rider weight and bike and so forth. You missed the point. A rider like Bora–Hansgrohe’s Peter Sagan might hit 1,500 watts at the ... 22 to 24 mph. look at my sig - I've got a whole load about it my link there. Of course there are a lot of variables, weight, aerodynamics, incline, etc., but let's say something like: 150 lb rider. To those not prone to maniacal laughter, 15 mph (25 km/h) is enough. Watts are like miles-per-hour. 20 lb. The number of \"horses under the hood\" doesn't indicate the fuel efficiency or top speed without vehicle weight, driving conditions, and other stats. As asgelle noted, analyticcycling.com is your source for quality power calculations. Note that rounding errors may occur, so always check the results. For AC power supply, watts are equal to the power factor times amps times volts. Watt is defined as the rate of consumption of energy in an electric circuit where the potential difference is one volt and the current one ampere. assume medium aerodynamic. On firm, flat ground, a 70 kg (150 lb) person requires about 60 watts to walk at 5 km/h (3.1 mph). At least most car buyers have already owned a car, so they have a rough ide… 15A to watts calculation with voltage of 230V AC. A headwind would add nothing to your speed..... Obviously a headwind would add nothing to your speed. This is the equivalent of a 0.73% grade. Electric cars, just like gas powered cars, come in a wide range of sizes, and have motors with a wide range of power. How many watts equals an average of how many miles per hour over a flat windless course? The following graph shows the effect on a rider putting out 150 watts for two positions, on the hoods (lower) and using an aerobar (upper): A headwind of 5 mph reduces speed by nearly 3 mph. We assume you are converting between watt and kilocalorie/hour [I.T.]. How many watt in 1 kcal/hr? I just read somewhere "It takes 100 watts to do 15 mph on level ground". Log in or register to join the conversation. = 1123.1342 watts. However just for the hell of it I'll pretend this thread has a sane future. Usain Bolt's maximum power output while sprinting was about 2.6 kilowatts. Let me put it another way. 15 MPH = 90 Watts (+14) Note how it takes double the watts to go 15 MPH than it does to go 11 MPH! You can view more details on each measurement unit: watt or kcal/hr The SI derived unit for power is the watt. Wh to mAh calculator milliamp-hours to watt-hours calculation. Most turbines have a power rating in kilowatts (kW). You would have to increase power from 150 to 215 watts to compensate (see one of the "Power" calculators). 1 watt is equal to 0.85984522785899 kcal/hr. How long is a piece of string? 3) A woman with a mass of 95 pounds is running at 10 miles per hour. The answer is 746.043. I'm confused by the unusually reasonable and bike-related nature of your query. Could you place a rough wattage range on that scenario? Watts is the SI unit of power. This bike uses Panasonic 18650 Lithium Manganese cells (LiMn) which are considered the highest quality Lithium cells in the industry. Try This Science-Backed Strength Training Method for Maximum Watts. swap units ↺ Amount. 15 Watt in Lumens > find 15 watt replacement. What is 15 kilowatts in watts? But that doesn't account for the loss of watts from a poorly indexed front mech and rubbing quick links. Power Current Voltage; 5 Watts: 0.4167 Amps: 12 Volts: 10 Watts: 0.8333 Amps: 12 Volts: 15 Watts: 1.25 Amps: 12 Volts Two common definitions used today are the mechanical horsepower (or imperial horsepower), which is about 745.7 watts, and the metric horsepower, which is approximately 735.5 watts. The answer is 1.163. Manc33 becomes interested in power numbers. Click the CALCULATE button and this equals 61.149 miles per hour. person Would you just add an extra 10 mph to your speed? Speed is defined as the rate at which someone or something moves or operates. For a more accurate calorie burned calculator, please view our Calorie Burned By Heart Rate.It can help to determine your more precise calorie consumptions by specify heart beat rate. METs Calories per 60 mins* Stationary cycling, 50 watts 3.0 215 Bicycling, leisurely 3.5 250 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. = 115.007 + (-15.8397 × 60) + (1.15006 × 60 × 60) Firstly, rewrite the initial watts to amps formula into the amps to watts equation: P = 3 * V * PH * I, As long as all of the values have desired units, simply input them into the formula: P = 3 * 100 V * 0.9 * 15 A = 4050 W, The outcome can be expressed as: "15 amps to watts, for the VLN equal to 100 volts is 4050 W." Cool down: 10 min (Easy spin followed by stretching) Easy endurance ride. On the home page. A turbine rated for example at 5000 watts at 30 mph will produce only 625 watts or less at 15 mph. "In many ways, my story was that of a raging, Christ-like figure who hauled himself off the cross, looked up at the Romans with blood in his eyes and said 'My turn, sock cookers'". Thats odd, at around 15-20 MPH each MPH gained takes around +15% more power. It shows which engine or turbine is bigger, but isn't a direct measure of the machine's full energy output. Let the thread-fest begin... based on the above and your hypothetical 100W at 15mph, just take the velocity, multiply by 2/3 then square. Or it could do 24 watts for a half hour. bike. So watt-hours is equal to milliamp-hours times volts divided by 1000: flat course. Power is a measure of the rate at which energy flows, and in electrical systems it is measured in watts (W). I have found it to be reasonably accurate compared to power meter result on q climb for example. That same person on a bicycle, on the same ground, with the same power output, can travel at 15 km/h (9.3 mph) using an ordinary bicycle, [6] so in these conditions the energy expenditure of cycling is … Find out how many calories you burn for Treadmill: 5% Incline, 4 mph (15 minutes per mile). 15 kW to W conversion. Estimate your Power from Speed. Cars motors are often rated in the rather old fashioned unit of horsepower. Equivalent wattage and amperage values at 12 volts. Easily convert speed to watts using this online speed to watts conversion calculator, Consider that a bike is moving at a speed of 60km/hr. Or the other way 10mph headwind and you maintain 16mph by how much would you have to increase your power? Use the calories burned calculator below to see how many calories you burned during your workout. 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