GM also invested a reported US$75 million in the company. Likes the BMW i3, but it's just too damned wide An excellent analysis of in-wheel motor pros and cons, John. I understand that I can unsubscribe at any time. The liquid-cooling circuit constitutes the active cooling of the L1500. Some of those loads acting on the L1500 are internally generated. This inescapable relationship means in-wheel motors need big rotors to make enough power to deliver customer-satisfying performance. Manufacturers seem to have decided that the solution to packaging occupants and their luggage while providing a range of 450km+ is to adopt increasingly wide skateboards. Following static testing, fatigue tests are performed to simulate the effects of multiple loads over the service life of the motor, and to see how many repeated loads the motor could take before its components finite elements begin showing signs of deterioration. The controller is integrated inside, as well as a torque sensor that is enclosed in the bottom bracket. One, by maximising the cooling surface, we achieve the highest potential torque densities possible. And, with a powerful rear-wheel drive 350-Watt motor and large 10-inch inflatable tires, the . I capped it out at 72V, but I also used a 52V battery to get to my racing destination at an empty track nearby. After examining where the earliest deteriorations appear, the design loop is (where necessary) executed again from the start in order to optimise the chamfers, radii and other small shapes and details of the components before actual fabrication. However, wire strands can suffer significant damage as a result. An OEM in collaboration with Elaphe can select their preferred bearing that fits within these parameters and most existing OEMs and suppliers produce bearings that are suitable.. I agree to receive emails from Motor Authority. 3D CAD: SolidworksMultiphysics tools: Abaqus SimuliaMultiphysics tools: Altair HyperworksCNC machining: Hartford, CNC machining: HeidenhainCNC machining: PinnachoCoordinate measurement: Brown & SharpeAutomated winding machine: in-house, Castings and stampings: MWS and other, undisclosed suppliers, MCU: Inineon TriCoreBraking components: APG and other, undisclosed suppliers, Testing systems: DewesoftTesting systems: Kistler. Our technology enables manufacturers to design and produce electric or hybrid vehicles rapidly and cost-effectively without compromise to their existing vehicle architectures or complex packaging, said Elaphe CEO, Gorazd Lampi. You can switch out the stock controller, rated for 65 amps, and easily swap in an ASI BAC800, which has a higher rev range. Aside from replacement parts available for the gearbox, the windings, mounting, and more, CYC is going after hot rodders who eat fear for breakfast. 3) Rated Power: 12KW (12000W), peak power 27kw (27000W). Grew up in country NSW, way back when petrol was laced with lead. Sponsored. And in-wheel motors tend to be heavy things. Within 5 minutes the L1500 can be integrated into or removed from a car wheel for routine maintenance, such as brake inspections and replacements. Of course, e-bike motors come as part of the bike itself and aren't yet a component that you can swap out and upgrade, so it's important to know what you're getting into when choosing from the best electric bikes. Each has its benefits and pitfalls. DC synchronous modular. 2) Motor Version: V4. Did I mention you can customize and tune the X1-Pro? Four in-wheel motors will be more expensive to manufacture than one or two chassis-mounted motors. Mountain bike designers have readily adopted the new EP8 system, but Shimano says that its compact size and linear power delivery, calibrated to run seamlessly at high cadence, is perfectly adaptable to commuter and touring bikes, too. Rated Power: 5000W Voltage : 48V-120V KV : 9KV Max torque : > 250N.M Efficiency : > 90% Hall sensor : yes, have two sets, one is for spare Temperature : Yes Drop out : 150mm Axle size : 10mm x 16mm Brake : disc brake PCD6*44mm Freewheel : single freewheel Net weight : 12 . A key challenge with in-wheel motors is how to deal with temperature gradients, Gotovac explains. At 637 horsepower in launch control mode, Audi says that the RS e-tron GT is the most powerful vehicle they've ever produced, gas or electric. Being from Namibia, he knows a good gravel road when he sees one, and he has raced some of Africas best-known mountain bike stage races, such as Wines2Wales and Berg&Bush. The Bosch Cargo Line also plays nice with both internally geared hubs and traditional derailleur drivetrains. As a result, all wheel integrations using the motor will also incorporate standard, off-the-shelf automotive bearings and braking systems (of which a range exists), including standardised brake rotors, calipers and electronic parking brakes. More. The tests investigated CoG acceleration and the external lateral loads on all four wheels with particularly severe cornering (more than 1.1 g of lateral acceleration) producing roughly 14,000 N of force on one of the cars right-hand tyres. Most electric bikes I ride feature a motor in the range of 250W to 1,000W. In-wheel motors aren't new. In comparison, the two electric motors used in Jaguar's I-Pace weigh 88 pounds each and deliver just 200 hp. How good is it? While normal bearing deformations arent a major problem, excessive deformations in an in-wheel motor can cause deflections between the rotor and stator. Mid-drive motors are removable, as they have to be, for serviceability. Not so with the X1-Pro. Bosch-made in-wheel motors are popular in small electric motor scooters, like those produced by the Chinese brand Niu. Now, British carmaker Lotus has introduced a proper, lunch-money . It might weigh less and be more compact, enabling better frame integration, but the Shimano EP8 is 10Nm more potent than its EP8000 predecessor, delivering 85Nm of output. Our insights and models for e-motor optimisation are part of our proprietary knowhow, Lampic adds. Others are skeptical. Is waiting patiently for someone to make a good and affordable EV that will fit inside his tiny underground garage in northern Italy, where he's lived for the past decade. As with hairpin stators, compact multiphase wave winding uses thick, pre-deformed bands (essentially long, thin rods) of copper, rather than strands or thin sheet-cut tapers, for its conductors. Electric Bicycle Motor Kit 36V 350W Front Wheel Powerful Motor E-Bike Conversion. The AW 26inch Rear Hub Motor Conversion Kit only comes as a rear wheel hub motor with a 7 speed freewheel on a 26 inch wheel. Installation: 14-50 plug. Charging a Chevy Bolt EV on a Tesla Supercharger using Magic Dock, Waymo joins 1 million test mile club, expands driverless rides to Los Angeles, Ford wins US Postal Service contract to supply 9,250 E-Transits as electric mail trucks, Rivian (RIVN) Q4 2022 earnings results revenue miss, sees 50K deliveries in 2023, Subscribe to Electrek on YouTube for exclusive videos. Dr. Peter Harrop. Engineers have managed to do what all riders desire from their mid-drive motors, be lighter and more powerful. Perhaps the better compromise between one or two chassis mounted motors driving differentials is to use four chassis mounted higher RPM motors with (as you say) 2-cog gears driving each wheel (via CV joints to allow for both steering (at front obviously) and wheel suspension bounce (all four). HyperPower said ten of them could be mounted on a common shaft to deliver 13,400 hp. GoTrax GLX V2. Rory Jackson reports on how it was developed. Slovenian company Elaphe is known in the e-mobility industry for its in-wheel propulsion technology, which is used in a range of automotive applications around the world. We have patented this approach, and since then some major OEMs have adopted helical multiphase wave winding, but weve kept developing our automated winding machinery and stator testing procedures. The installation of the motor was not nearly as hard as I expected. While we can use MOSFETs, IGBTs, SiCs and GaNs, weve found that the L1500 is most popularly paired with a COTS silicon IGBT inverter with a 200 kVA maximum output, installed on board the vehicle, Gotovac says. Brushless DC Motors: 6374 /6354/ 5065 /5055 motor kit 2. Yamaha also claims that its CE is the quietest running mid-drive motor it has ever produced, and that means you can use all the pedal-assistance power available, without ever feeling guilty about producing too much electromechanical noise. This changes the shape of the air gap, which causes vibrations as well as loss of efficiency owing to the increasing resistance to magnetic flux between windings and magnets where the gap widens, and decreasing flux resistance where it shrinks. The companys Turbo Creo SL is powered by a 240w motor and targeted at those road riders who have the fitness, but not the flexibility of schedule for those five-hour training rides. It's a great mid-range wheel with a price to match. Most electric bikes I ride feature a motor in the range of 250W to 1,000W. Rotational speed: 1,500 rpm. Not having a locked-in inverter also opens up the possibility for reducing costs on a powertrain-wide level. Founded in 2018, the start-ups plant in Lordstown, Ohio, was bought from General Motors. Where once the market was dominated by electric bikes for commuting, it is now rich with the best electric road bikes and the best electric gravel bikes as well. The Cargo Line is one of the newer Bosch mid-drive motors and has some tidy upgrades. Elaphe L1500 in-wheel motor Applications for the L1500 in-wheel motor include Sportscars (above), pick-up trucks, SUVs and urban vehicles (right), among others (Images courtesy of Elaphe Propulsion Technologies) Fit for duty The L1500 has been designed to enable it to be used in a wide range of OEM EVs and HEVs. As the CEO notes, Elaphes proprietary holistic motor optimisation algorithm takes into account (among other information) a wide range of magnet parameters as it evaluates an overall motor design. Get ready to explore the world of mid-drive and hub motor e-bikes as you learn the advantages and disadvantages of each type of motor. Targeted at e-bikes for the road, gravel and commuter applications, packaging was a crucial parameter within FSAs engineering goals. In the early years of developing our in-wheel motor technologies, we used mainly N40UH magnets [which have a maximum working temperature of 180 C] in our prototypes in order to ensure good thermal performance, Gotovac recalls. Maybe Lordstown, Lightyear and others will change the situation, but it seems unlikely theyll change the minds of manufacturers using chassis-mounted motors with reduction gears and differentials. Excess preloading from manufacturing, introduced mostly during machining and casting, can also cause residual internal stresses to build up in motor designs before they are tested. So its more challenging for engineers to make an EV with in-wheel motors ride smoothly and handle well. Heres how it works. The RadRunner Plus is a Class 3 bike because of the 750W/80Nm motor with throttle operation and 28mph max speed on pedal assist mode. In terms of ride feel, the PW CE delivers a natural-feeling ride. In relative terms, far fewer wire connections need to be made, which improves consistency of quality, reliability and production costs. The KingSong 18XL is a limited edition version of the KingSong 18L. . The FEA includes static simulations (that is, one-off impacts) of how stresses and deformations would be distributed across the motor under varying load speeds, the levels of and ways in which friction occurred between components and connections, and other properties of the designs structural integrity. Free shipping. This gets a bit complicated, so pay attention. That's right - even more power than the V10 R8.. The idea has been around almost as long as the automobile, In fact, Ferdinand Porsche, founder of the famed German auto company, mounted a pair of hub motors that used electricity from a. The M700 was the first motor Elaphe fully validated according to existing automotive standards, and both motors have some architectural similarities. BAFANG BBS02B 48V 500W 750W HD 1000W Motor Electric Bicycle. It will be interesting to see how road and cargo frame designers approach Shimano's EP8 over the next few years. Ive got it equipped on a Specialized hardtail. What we did in our capacities as physicists was to analyse the electromagnetic, thermal, mechanical and control aspects of the motor simultaneously, from the outset of the L1500s development. The described assembly of rotor, stator, brakes and bearing transfers loads from the road (which will vary depending on vehicle weight, braking dynamics, cornering and ground roughness) directly to the vehicle knuckle via the bearing, protecting the electric motor components from such impact loads. This Slovenian outfit has a licensing agreement with Lordstown. Thoughtful article John. The selection of an adhesive for bonding the permanent magnets in their slots is tested and validated in a similar way to the structure of the rotor and stator. Copyright 2021 High Power Media Ltd All rights reserved. Keen to control the convergence of batteries, drive motor efficiency and pedal-assistance sensitivity, FSA has developed its own 250Wh lithium-ion energy source and control units. To flesh out the ideal design of the housings and motor interfaces, Elaphes technical specialists perform topological optimisations. WALT machines were originally developed to rapidly test and analyse how wheel components would resist damage over their lifetimes. Lightyears efficiency-obsessed engineers designed the motor used in the Ones wheels from scratch. Tesla's next car, the P85D, will have two motors and all-wheel drive. The Greyborg frame used a rear hub-motor, so they could leave as much frame space as possible for the battery, and the most powerful rear hub available was the Crystalyte 5-series. Established in 2006 by theoretical physicists Andrej Detela and Gorazd Lampic (now the CEO), its systems incorporate a host of patented and proprietary technologies across mechanics, electromagnetics and other disciplines. All fine in the US but European garages and villages were never designed for these vehicles. With a dedicated e-bike engineering resource in Switzerland, the strategy is clearly to control its own destiny and pace of development with e-bikes. The Evation drive system features a bottom-bracket-mounted gearbox, which benefits from data sensors on both sides. The company has software scenarios (and dedicated test tracks, which would be used for road-proving the motor later on) for driving over potholes, brick roads, speed bumps, embedded rock paths and other surfaces to examine how the motor handles the repeated impacts and harmonic stresses of such use. This makes the mini pickup truck great for children three years and older, for use both indoors and outdoors! At the top of Elaphes in-wheel propulsion product range is the L1500, a radial flux, three-phase AC synchronous motor weighing 33.3 kg, with a radius of 23.2 cm (and therefore fitting a standard 19 in rim) and an axial length of 14.22 cm. Examples of these are thermo-echanical stress due to excess heat from electromagnetic losses in the copper windings, steel laminations and permanent magnets, and frictional losses in the bearings and seals. Key persons of this project explained the backstory regarding development of this compact, lightweight direct-drive system that combines a motor, inverter, and brake into a single unit. FSAs rear-hub motor is capable of doing exactly that. In-wheel motors are subject to far more impacts and stresses over their lifetime than any e-axle motor, as they are constantly in almost direct contact with the road. The technology allows for complete design freedom and the potential for increased regenerative braking. Specifically the 5404, 5405, and 5406, which have large 40mm wide stators and magnets. This website uses cookies to improve your experience while you navigate through the website. Gallery: Nissan Leaf e+ with dual electric motors and all-wheel drive. This helps it to optimise ambient cooling, even at low speeds. The Lohner-Porsche petrol-electric hybrid of 1900, for example, was powered by electric motors built into the hubs of its big, balloon-tyred wheels. Those parts are also kept as accessible as they would be in conventional road vehicles (and thus easily serviceable) thanks to the companys approach to integration, in which the motor is mounted over the brake assembly, similarly to the rim and tyre. Another advanced German mid-drive motor company with a very unique approach. This was the fastest recorded time ever for an in-wheel motor application. As with most things in cycling, the issue is differing standards. Full-scale production should begin in September 2021, and the company says its holding 100,000 (non-binding) pre-orders for the big double-cab pick-up truck. The German company offers a thoroughly engineered rear hub motor, having acquired Spains Ebikemotion a few years ago. 85 percent of the available kinetic energy in the Protean Drive can be recovered during braking.The motor does not require external gearing, drive shafts, or differentials. That allows us to focus on our core competencies in stator and rotor design, and saves us quite a bit of overengineering.. Elaphe is currently working on similar prototypes with other mainstream automotive manufacturers, smaller scale and startup electric vehicle companies and is actively searching for partners looking for a new packaging philosophy that frees up occupant and cargo space without displacing existing packaging and brake architecture. Then there are practical problems. An electric motor is an electrical machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. The motors are lightweight, easy to install, and provide smooth gear shifting. The combination of the maximum Hertzian contact stress and the strain corresponding to the maximum allowed air gap deviation yields a specific bearing requirement, called the tilting stiffness, which is typically between 7 and 10 kN/ and which also encompasses extreme cases, Gotovac says. Bafang is one of the largest and most well-known electric bike motor companies in the world. At the beginning of the 20th century, Ferdinand Porsche's first hybrid vehicle used hub-mounted electric motors in each wheel. Power: 50 kW. These advantages offer OEMs an immediate opportunity to build more unique and functional electric and hybrid vehicles that consumers want and are cost-effective to manufacture. With more experience and our model accuracies optimised, we replaced the N40UH with N40SH, the latter being in the 150 C temperature class.. And two boatbuilders have already . This little guy weighs in at 7.7 lbs, which is somehow less than the Bosch Performance line from 2019. This isn't the most powerful electric unicycle out there, but if you wish the V8 offered just a little more, the V8F is the better choice. Both Lightyear and Lordstown stress the benefits of in-wheel motors. As a result, Elaphes development models encompass an extensive number of studies, simulations and tests, to iterate a motor that will withstand a broad spectrum of loads over its lifetime. Free shipping for many products! I understand that I can unsubscribe at any time. Elaphes approach to such testing is based on the ISO 16750-3:2007 standard for environmental conditions and testing for mechanical loads on electrical and electronic equipment. Elaphe Announces Production of Worlds Highest-Performance In-Wheel Hub Motor. Once all the design choices are affirmed via CAD and FEA analysis, a prototype of the motor variant can be built and subjected to a range of tests on the companys test benches to validate the accuracy of the simulations. Limited edition version of the motor used in the bottom bracket wire strands can suffer significant damage a... Of development with e-bikes consistency of quality, reliability and production costs P85D will. The BMW i3, but it 's just too damned wide an excellent analysis of in-wheel motor can deflections. Torque sensor that is enclosed in the range of 250W to 1,000W enough power to deliver 13,400 hp smooth shifting! Advanced German mid-drive motor company with a very unique approach to control own! 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