Wow…. I’ve been watching ebike videos since 2011 and I’ve never watched anyone explaining how they get these numbers. This is awesome!! Love how passionate Felipe is hahahahaa…
Excellent, Felipe. You are such wonderful advocate. 👍😌 I actually did a range test on my battery today and it ratios very accurately with what you’ve described. So, this is mountain biking only with all ups and downs - very little flat riding. I have a small 48V/6A mini cube battery so that computes to 288 wh. Dividing that by your 250 norm (I had never heard of norm) works to 1.15 hours of battery life. I finished the ride at 1:22 ride time. That is very close to your computations. I had 15 miles and averaged 17.7 kmh which is a bit less than what you have but battery management is a fine art. I kept it in level two (of 5) for most of the ride and bumped it up to three on any very steep pitch. My battery drained completely just before reaching my house. As you know, if I would’ve ridden at level three for most of the ride then my battery never would’ve never made it. I also never want to be without at least a level one assist because riding the heavy bike is not that fun on any kind of hill without an assist. And, the speed sensor seems to deincentivise pushing hard beyond the assist. It is not as natural riding as with a torque sensor, in my opinion, but it is still extraordinary and a very fun system. Thanks for all you do. 🕺🏻🚴 Zoom zoom zoom. 🤓
Thanks Max, that’s awesome to know you’ve been out and about testing the formula Felipe uses at Cyberbikes. We want to send a big hug for your support and comments in all our videos. See you in the next one!
Today I had a much slower ride. I kept it in level one assist mostly with bumps to level two on steep pitches. The battery lasted 30 minutes longer at 1:51. It’s all about battery management. 🧐
@@frcr90 My distance was 14.1 miles (22.7km) which was 1 mile less than the day before but my battery lasted 30 minutes longer because of the lower level of assist used overall. My avg. speed was much lower - about 7.5 mph (12 kmh). The terrain was also less steep than the previous day. The higher levels of assist use up a lot of battery but you can also pull a big gear and cover a lot of distance.
My standard battery reading is 50km, but the extended range battery reads 50km to 90km in miles. Would this reading be determined by the Odometer or the Speedometer ( Speed ) because when using the extended range battery I was getting a different reading on the Odometer whereas the battery would make noise as I was riding ?
Felipe, is that mean the bldc motor must max 250w? and the speed of bike max 25km/h and cut of by controller? thanks. and 25km/h for what kind of bike?. and is that mean 25km/h got by 250w full energy ?
The motor can max hundreds of thousands of watts but cannot let the bike go above 25km/h, and at that speed, it must have 250W of continuous power. Also, the throttle can only push the bike up to 6km/h. If you’re still in doubt, search for EN15194, the most retarded law on transportation nowadays
A healthy human (proportional body weight and height) can offset their weight by pedalling the bike (the bike has to have tyres narrower than 2.5” width and weight less than 30kg). The problem begins when the rider is overweight and the bike uses fat tyres and is way over 30kg. If that’s the condition I recommend multiplying the results by 0.9 or 0.85 to give you a more real estimate.
Hi Felipe i have a question for you. On my Bafang M620 midrive motor i have a 40 teeth chainring i was thinking of installing a 44 or 46 teeth chainring would that help my top speed would that be a good idea or not ? would torque be affected alot ? Or is it better to leave it alone since it wont help that much ? Thank you
You will get a higher top speed, and if you don’t use the very 1st gear of the cassette to start the movement/take off, you will break your motor. If you ride more off the road, I would not increase the diameter of the chainring, but if you’re riding on asphalt and wants a higher top speed, yes, change the chainring for one with a bigger diameter
nothing is really this exact, theres many reasons this wouldnt work. firstly, youre estimating that 250 watts equals 25km/h, but maybe the motor dont need to use 250 watt for 25km/h maybe the motor is stronger but throttled, or weaker and working more. im no scientist but can confidently say this your calculation isnt 100% accurate but an estimate, plus theres other factors like rider weight, wind, hill or downhill, weight of bike, size of tire, pressure in tire, seasons winter or summer, etc. but your video is a good base tho. btw i searched that law and it doesnt state that the motor MUST use 250watt but 250watt should be its maximum, so if a motor doesnt need 250 watt to reach 25km then that ebike would have alot more battery.
Hey, thank you for your comment. If you're an engineer, you will know that no equation is 100% accurate, but seems that you still need to start your engineering career. I suggest you do so when you finish high school. The fact is that the AU15194 rules ebikes to maximum continuous power of 250W. It does not mean maximum power. It means maximum continuous power, you could have an ebike peaking 2000W and it could technically still be legal if capped top speed of 25km/h and maintaining 250W of continuous power. As the title says, this is a simplified equation that can roughly predict 80% of the range of the ebikes in the market. It's a much better approach than simply believing whats' said by any seller. Cheers
@@Cyberbikesau if you actually passed your education you wouldve learnt to read and realized i said, i searched that law and it doesnt state that the motor MUST use 250watt but 250watt should be its maximum ( you didnt say anything new), so if a motor doesnt need 250 watt to reach 25km then that ebike would have alot more battery. i also said "youre estimating that 250 watts equals 25km/h" basically, since you failed your school, i would explain it in simple terms. you dont need 250watts to go 25km/h and if a bike can reach that speed with less watts it would have more range than a bike that reaches that speed with higher watts. read my statements carefully. a so called "simplified equation" by an illiterate can still be false. so dont hide your ignorance with your simplicity. youve met your teacher.
@@truthseeker6804 If you cannot differentiate Maximum Power from Maximum Continous Power, I have to affirm again that shows you haven't been to engineering school, not me. Please read EN15194/AU15194 again. Please tell me, when was the last time you've been on an ebike and measured less than 250W at 25km/h? The formula is the most simple and accurate estimate available in the market. Anyone can use it. Don't come here preaching things that you don't even know how to calculate. More or less, the bike will be 250W 25km/h on average. If you want to be more precise, please write your own calculation and post it here. Let's judge your formula's accuracy. Maybe in a few years when you decide to go to uni and pursue a career.
@@Cyberbikesau if you had common sense you would realize we are talking about watts in use. not watts when the motor is off or its potential, therefore, in use according to the law it should be a maximum of 250watts not more but definetely can be less. prove your illogical equation that state that you need 250watts to get 25km/h. your teacher misses you for dropping out of school. go back to my main comment i gave you reasons why its possible for someone to reach a faster speed. if you cant read, take my message to a family or friend to help you out. hopefully they can read.
it will depend on how the batteries are connected, and you can estimate the range by doing this 48x21 + 48x13 = total Wh of both packs working together. That total amount divided by 250W will give you the number of hours you can ride it at 25km/h
What if you have a 750W motor, or does the 250W count for just battery usage, and what about it's range ? Standard 48V 13ah 50km in range, and 48V 21ah 50 - 90 km in range ?
If you haven't been to school yes that's what happens. You're only thinking of speed and time. Have you ever thought that speed is always distance divided by time? That means if your ride at 50km/h for 3 hours you will have travelled 150km that's the basic knowledge a human being needs to know to be living on earth. If you're going faster you're going to consume more energy, that's how it works on this planet. If you live in another world where you can ride at 50km/h consuming the same amount of energy as riding at 25km/h (250W) then great you're god living on your own planet. What you're missing out on is the amount of energy you need to ride your bike at 50km/h. Give me this amount of energy and I can calculate the range for your ebike based on your battery pack size. PS: Go get an engineering degree as Felipe does
@@paulschlemme4885 Paul you started your comment with “WTF” and ended it with “!” Don’t you think you’ve been rude first and I answered on the same tone than your comment? You learned two things in one comment, you’re winning 🥇
Wow…. I’ve been watching ebike videos since 2011 and I’ve never watched anyone explaining how they get these numbers. This is awesome!!
Love how passionate Felipe is hahahahaa…
Thanks Bruno it’s awesome to have you here because we admire your work so much too! Cheers brother all the best
Excellent, Felipe. You are such wonderful advocate. 👍😌
I actually did a range test on my battery today and it ratios very accurately with what you’ve described. So, this is mountain biking only with all ups and downs - very little flat riding. I have a small 48V/6A mini cube battery so that computes to 288 wh. Dividing that by your 250 norm (I had never heard of norm) works to 1.15 hours of battery life. I finished the ride at 1:22 ride time. That is very close to your computations. I had 15 miles and averaged 17.7 kmh which is a bit less than what you have but battery management is a fine art. I kept it in level two (of 5) for most of the ride and bumped it up to three on any very steep pitch. My battery drained completely just before reaching my house. As you know, if I would’ve ridden at level three for most of the ride then my battery never would’ve never made it. I also never want to be without at least a level one assist because riding the heavy bike is not that fun on any kind of hill without an assist. And, the speed sensor seems to deincentivise pushing hard beyond the assist. It is not as natural riding as with a torque sensor, in my opinion, but it is still extraordinary and a very fun system.
Thanks for all you do. 🕺🏻🚴
Zoom zoom zoom. 🤓
Thanks Max, that’s awesome to know you’ve been out and about testing the formula Felipe uses at Cyberbikes. We want to send a big hug for your support and comments in all our videos. See you in the next one!
Today I had a much slower ride. I kept it in level one assist mostly with bumps to level two on steep pitches. The battery lasted 30 minutes longer at 1:51. It’s all about battery management. 🧐
@@peacelovegoldenrule what was the average speed and power consumption? How far could you go?
@@frcr90 My distance was 14.1 miles (22.7km) which was 1 mile less than the day before but my battery lasted 30 minutes longer because of the lower level of assist used overall. My avg. speed was much lower - about 7.5 mph (12 kmh). The terrain was also less steep than the previous day.
The higher levels of assist use up a lot of battery but you can also pull a big gear and cover a lot of distance.
@@peacelovegoldenrule great metrics Max, do you have an idea how many watts your motor is pulling at PAS level 1?
Totally logical , Thanks again Fellipe for your expertise.
Thanks Marc hope you make good use of the formula, you again next video!
Nice one Cyberbikes! Keep up the good work I learnt a few things today 😂
Thanks, Gigahire, we are looking forward to throwing a party and having you guys organising it for us! Cheers
My standard battery reading is 50km, but the extended range battery reads 50km to 90km in miles. Would this reading be determined by the Odometer or the Speedometer ( Speed ) because when using the extended range battery I was getting a different reading on the Odometer whereas the battery would make noise as I was riding ?
Felipe, is that mean the bldc motor must max 250w? and the speed of bike max 25km/h and cut of by controller? thanks. and 25km/h for what kind of bike?. and is that mean 25km/h got by 250w full energy ?
The motor can max hundreds of thousands of watts but cannot let the bike go above 25km/h, and at that speed, it must have 250W of continuous power. Also, the throttle can only push the bike up to 6km/h. If you’re still in doubt, search for EN15194, the most retarded law on transportation nowadays
how abaut the weight of the rider, considered in this calculation? thank Felipe,
A healthy human (proportional body weight and height) can offset their weight by pedalling the bike (the bike has to have tyres narrower than 2.5” width and weight less than 30kg). The problem begins when the rider is overweight and the bike uses fat tyres and is way over 30kg. If that’s the condition I recommend multiplying the results by 0.9 or 0.85 to give you a more real estimate.
@@Cyberbikesau thank Felipe, have a nice day
Hi Felipe i have a question for you. On my Bafang M620 midrive motor i have a 40 teeth chainring i was thinking of installing a 44 or 46 teeth chainring would that help my top speed would that be a good idea or not ? would torque be affected alot ? Or is it better to leave it alone since it wont help that much ? Thank you
You will get a higher top speed, and if you don’t use the very 1st gear of the cassette to start the movement/take off, you will break your motor. If you ride more off the road, I would not increase the diameter of the chainring, but if you’re riding on asphalt and wants a higher top speed, yes, change the chainring for one with a bigger diameter
Mine is 26-130w the longer you ride the the stronger you are the less power you need
Yes pretty much like that
nothing is really this exact, theres many reasons this wouldnt work. firstly, youre estimating that 250 watts equals 25km/h, but maybe the motor dont need to use 250 watt for 25km/h maybe the motor is stronger but throttled, or weaker and working more. im no scientist but can confidently say this your calculation isnt 100% accurate but an estimate, plus theres other factors like rider weight, wind, hill or downhill, weight of bike, size of tire, pressure in tire, seasons winter or summer, etc. but your video is a good base tho.
btw i searched that law and it doesnt state that the motor MUST use 250watt but 250watt should be its maximum, so if a motor doesnt need 250 watt to reach 25km then that ebike would have alot more battery.
Hey, thank you for your comment. If you're an engineer, you will know that no equation is 100% accurate, but seems that you still need to start your engineering career. I suggest you do so when you finish high school. The fact is that the AU15194 rules ebikes to maximum continuous power of 250W. It does not mean maximum power. It means maximum continuous power, you could have an ebike peaking 2000W and it could technically still be legal if capped top speed of 25km/h and maintaining 250W of continuous power.
As the title says, this is a simplified equation that can roughly predict 80% of the range of the ebikes in the market. It's a much better approach than simply believing whats' said by any seller. Cheers
@@Cyberbikesau if you actually passed your education you wouldve learnt to read and realized i said, i searched that law and it doesnt state that the motor MUST use 250watt but 250watt should be its maximum ( you didnt say anything new), so if a motor doesnt need 250 watt to reach 25km then that ebike would have alot more battery. i also said "youre estimating that 250 watts equals 25km/h" basically, since you failed your school, i would explain it in simple terms. you dont need 250watts to go 25km/h and if a bike can reach that speed with less watts it would have more range than a bike that reaches that speed with higher watts. read my statements carefully.
a so called "simplified equation" by an illiterate can still be false. so dont hide your ignorance with your simplicity.
youve met your teacher.
@@truthseeker6804 If you cannot differentiate Maximum Power from Maximum Continous Power, I have to affirm again that shows you haven't been to engineering school, not me. Please read EN15194/AU15194 again.
Please tell me, when was the last time you've been on an ebike and measured less than 250W at 25km/h?
The formula is the most simple and accurate estimate available in the market. Anyone can use it. Don't come here preaching things that you don't even know how to calculate.
More or less, the bike will be 250W 25km/h on average. If you want to be more precise, please write your own calculation and post it here. Let's judge your formula's accuracy. Maybe in a few years when you decide to go to uni and pursue a career.
@@Cyberbikesau if you had common sense you would realize we are talking about watts in use. not watts when the motor is off or its potential, therefore, in use according to the law it should be a maximum of 250watts not more but definetely can be less. prove your illogical equation that state that you need 250watts to get 25km/h. your teacher misses you for dropping out of school.
go back to my main comment i gave you reasons why its possible for someone to reach a faster speed. if you cant read, take my message to a family or friend to help you out. hopefully they can read.
What if you have a 48V 21ah extended range battery, and a 48V 13ah standard battery ?
it will depend on how the batteries are connected, and you can estimate the range by doing this 48x21 + 48x13 = total Wh of both packs working together. That total amount divided by 250W will give you the number of hours you can ride it at 25km/h
What if you have a 750W motor, or does the 250W count for just battery usage, and what about it's range ? Standard 48V 13ah 50km in range, and 48V 21ah 50 - 90 km in range ?
Use a more visible marker. Stop insulting other videos. Keep your opinions out of it.
wtf If I take 3,072 h times 25 kph I get 76,8 km but if I bump it up too 50 kph I get 153,6 km! going faster can't increase my range!
If you haven't been to school yes that's what happens.
You're only thinking of speed and time. Have you ever thought that speed is always distance divided by time? That means if your ride at 50km/h for 3 hours you will have travelled 150km that's the basic knowledge a human being needs to know to be living on earth. If you're going faster you're going to consume more energy, that's how it works on this planet. If you live in another world where you can ride at 50km/h consuming the same amount of energy as riding at 25km/h (250W) then great you're god living on your own planet.
What you're missing out on is the amount of energy you need to ride your bike at 50km/h. Give me this amount of energy and I can calculate the range for your ebike based on your battery pack size.
PS: Go get an engineering degree as Felipe does
@@Cyberbikesau thank you for being condesending and rude just because I misunderstood something, truly thank you.
@@paulschlemme4885 Paul you started your comment with “WTF” and ended it with “!”
Don’t you think you’ve been rude first and I answered on the same tone than your comment?
You learned two things in one comment, you’re winning 🥇
@@Cyberbikesau wtf is not an insult and I don't go around insulting random strangers on the web. I admit I was wrong about my math but I wasn't rude.
@@paulschlemme4885 if you think you were not rude, I have the same right to think I wasn't rude too.