- You find the perfect grade on which you climb at 62.5W and 20Nm torque. This means you can dress more appropriately for prevailing weather conditions. Drive Unit Speed is the name of the new high-performance drive system from Bosch: This allows support of up to 45 km/h to be achieved, guaranteeing that tailwind feeling. The company focuses on all global e-mobility trends of the future. Then, there are the other retailers…the ones that don’t answer their customer service lines…they claim their kit will put out thousands of watts and will climb anything!…and then when you melt something, they refuse to help you. pspower.jpg. The official motor power is the power that can be delivered continuously without overheating or otherwise being overloaded. I inquired and was told that actually the motor does not have a thermal protection, it is the controller to protect the mosfets from the higher amp draw (730W at PAS 5) The problem installing a controller that allows draws to 1000W will leave the motor vulnerable to overheating. The older BBS02s had cheaper mosfets that would burn out … Run more power through your motor without overheating. You don't want an overheating battery coupled to an overheating motor just under the seat. It will be similar to a hub motor, people won’t hear you coming so be careful. The better designed bikes don't get as hot and you don't have to worry about their copper windings frying. Make sure your ebike is powering on and your display panel lights up. The company’s Turbo Creo SL is powered by a 240w motor and … Also, not all motors are created equally. You continue your climb at the same speed, with 125W and 40Nm torque. With this kind of motor you would need to throw it to full throw to expect the smallest assistance, which is far from being efficient. Check if your battery has an on/off switch. Our Services & Repairs ^ Basic Motor Inspection. 5 ml of Ferrofluid injected into a direct drive hub motor will effectively make your direct drive hub motor more efficient by making it run cooler. The only difference is that the 350w motor is capable of higher speeds out the box. If so, ensure the switch is on. Overheating issues can arise when the motor exceeds 1000W. The short story Bike hub motors can overheat if you work them too hard, too slow. If you do not get any power to the display then you should start with the battery as well as all the connectors. This is seen mostly on long uphill rides, which is one of the reasons people opt for higher watt motors. ECP battery cell management protects against overcharging and overheating. It only overheats on PAS 1 (about 90W) on PAS 2 (150W) it gets hot but does not overheat, and on 3,4 or 5 and it just gets warm. Focus are e-bike manufacturers from Germany and use their own system dual battery system which gives 756Wh, used with the renowned Shimano motor system. But I'm having an issue with my ebike and I can't seem to get to the bottom of it. The motor is powered by a rechargeable battery that must be plugged into a charger and charged before they can be used to power the ebike motor. I strongly recommend getting an ebike that the motor has a heat sensor on. BESV have managed to cram 762Wh into a single battery – for example on their TRB1 Urban model. If you are in a city, the sound of the motor will mostly get drowned out. I also needed a folding bike to fit into the back of my PriusV. - The grade doubles again. We offer a wide variety of Electric Bike motor services and repairs to maintain your E-Motor in it’s best working order. Vastly improve the thermal management and power handling of hub motors with ~200% better overall thermal dissipation allowing much higher power levels and/or endurance to be achieved with higher motor … Then, a Lime e-bike caught fire in Seattle. It flew back up the mountain using way less than half the charge to do it. For example, the Biktrix Ultra, an e-bike that Electrek will be reviewing soon, costs $2,999. Note that the power of a permanent magnetic motor is a relative term. With a hub-drive eBike, the motor drives the wheel, which can spin very slow on a steep hill. If a motor is running in a much warmer environment than it was designed for, it can overheat because the ambient temperatures will make it more difficult for the motor to cool down properly. The BBS02 will get hot if you lug it at low rpms, revving it high will cool it off. It is perfectly possible to hold a conversation while riding a bike with this motor. Overheating causes the motor winding insulation to deteriorate quickly. Attachments. The use of Statorade, Statorade and Hubsinks, or drilling of large Vent Holes in the side plates can all greatly improve the thermal dissipation of a direct drive hub motor allowing you to push higher sustained power levels without overheating. The debate rages on about which type of motor is best for eBikes. The 350w motor will always be illegal to use on the road as its above the motor wattage limit. You continue your climb with 125W and 40Nm torque at half speed on the "less powerful" bike. One should monitor the motor temperature while driving, as electric bike motor overheating can cause a motor breakdown. What may suit your etyle of riding may not suit another. How many miles will I get from my battery? Wear what you want while you ride. Please remember that when riding over rough terrains such as sand or gravel, or uphill, the engine is subject to increased stress. And just so you know, the higher torque bikes are almost always the ones that have overheating problems unless its a really good engineered motor with a cooling system. There's an article on electric bike blog on how to keep track of motor Temps using an $8 aquarium thermometer and some silicon. We investigated the reasons why electric bike lithium-ion batteries burn up. A CUSTOM ebike or etrike built for you! Hi I own a 72volt Viaggio ebike and I'm also in the process in learning to become an ebike mechanic at a local ebike shop. Vastly Improved Thermal Dissipation & Performance for eBike Hub Motors. Bafang employs about 700 staff worldwide in eight locations. A 250W motor can easily deliver a much more power, for example 500W, and that occurs in practice, when accelerating and going uphill. How long is a piece of string? Now this 350w Bosch motor gives the exact same assistance levels and torque as the 250w motor. It also has a lag for updating as it takes time for the motor heat to make it into the controller. Electric bike motors are usually a hub motor but on some more expensive complicated bikes, it may be a mid drive. Any thoughts welcome - or the bin will have it . The sweetest mid drives allow you to use the bicycles transmission to have multiple gears. Sep 4, 2013 1,194 366. This post is about how motors heat, and how to avoid ... bruceteakle.blogspot.com I have three SWX02 motors installed on three bikes Two with 48v/500w models and one with 36v/250w. Wen my charger says it fully charge I try to take it out for a ride but I can't, cuz it like has little or no power going to the motor. With the battery being the most cost heavy part of an e-bike, this translates into additional savings. Using a bigger motor means using a bigger battery to travel the same distance. However if you plan to use the ebike both on and off-road. So an ebike motor connected to a 24V battery being supplied with 10 amps of current would be powered at 24*10=240 watts. They've all been problem free with 3500, 1000, and 200 miles respectively. Especially using PAS. I have looked into a higher geared (lower speed mor torque) motor but at 750W the seem all rated at 80Nm. FOR MORE INFO SEARCH HUBSINK. It has been concluded that more than 55% of the insulating failures are caused by over heating. 4. 2. Most e-bike controllers can be used with most motors, however pairing a high power controller with a low power motor will likely overheat the motor. With an electric bike neither need to be a problem when you can tap into your electric motor as and when you need it. - The grade doubles. Bafang, one of the leading manufacturers of e-mobility components and complete e-drive systems, has been developing components and complete systems for electric vehicles since 2003. Yes, they do tend to be more expensive, but for a serious rider, they are often the top choice. The cheap mosfets also generate their own heat. Ed designed the ETG Ebeast Turbo just for me and it worked beautifully. When the probe reads 140, the motor is probably over 180. HubSink (WITH STATORADE)- Electric Bike cooling & performance for Ebike Hub Motors. Over heating occurs due to a number of factors. Ebike batteries should not be overcharged. Lyft suspended e-bike service in San Francisco following four battery fires. Plus 10S lipos aren't that expensive, I wouldn't cheap out on this. We only offer these services if your motor is over two years old and out of its original warranty period. The number of watts used by an electric motor at any moment equal the voltage supplied by a battery multiplied by the current flowing from the battery to the motor. HubSink - Electric Bike cooling & performance for Ebike Hub Motors. A massive benefit of not exerting as much energy while you cycle means that you won’t overheat and sweat as much as you might do on a traditional bike. Let's assume you ride an electric bike with wheel motor. 110 or 230 Volts; Charging time: max. However, if you run over 2,000W through the bikes gears, any more will wear out the components very fast (or maybe … 2.5 hours; Compact dimensions; Light weight (< 1.0 kg) 2012 Even more speed for the eBike. Legitimate sellers under-rate their kits, because so many buyers will overheat their E-bike and want to have the motor and controller replaced due to heat damage. A mid-drive motor invariably offers a more natural, smooth and powerful cycling experience. Most ebikes would either not have the power or would overheat the motor on a climb like this. About Bafang. With a 20A BBS02 and a smaller chainring it is unlikely that you will burn out the controller from overheating. M800 Mini Mid Motor. 2.8 MB Views: 22. awol Esteemed Pedelecer. As when I use the motor about 85% is on PAS 1 it is next to useless for me. When a motor is spinning slow and the rider is requesting lots of help from the hub motor, it can sometimes overheat, leading to a temporary shut-off (best-case), or permanent damage to the magnets inside (worst-case). A motor that is too small will not be able to dissipate heat quickly enough, and the motor will overheat. What would also be hard to figure out is power management. If you have an LCD Display (with digital screen) press and hold the “M” button for a couple of seconds to turn the kit on or off. With the SL 1.1 motor, Specialized has shown how light a high-performance road e-bike can be. Benefits of a Mid-Drive e-bike. Avoiding e-bike motor overheating. Easy to install in 10 - 15 minutes. For every ten centigrade rise in temperature, the insulation life is cut in half. Every electric motor has a design temperature. We specialise in E-Motor inspections, diagnostics, servicing, bearing and belt replacements or full rebuilds. With mid drives you can change the gearing just by changing a sprocket. This motor is quieter than many prebuilt, brand name e-bikes. While charging the battery itself is simple enough, a lot of people worry about what might happen if they overcharge the battery. Learn More about M800 Visit derosa.it. As its your motor controller that sets the maximum battery current, you must select a battery that can supply as many amps as your controller is rated for or more. However, the best advice is that they will both turn your bike into a great ebike, and each has pros and cons. High ambient temperatures.