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How To - EV Conversion Powertrain Design

Mar 11, 2020
2 min read

Many important decisions must be made when planning to do an EV car or EV truck conversion. To do this right we suggest you start with the end in mind. This means know what your performance, range and budget are before you begin.


Let’s start with Performance

Often performance is measured in the elapsed time between zero and sixty miles per hour or the equivalent kilometers per hour. But that is just one method of rating or comparing a vehicle’s performance. Another might be top speed. Equally important, from an efficiency standpoint, is the vehicle's ability to reach the desired cruising speed and still be in the sweet spot of the motor. Still another aspect of performance might be the vehicle's hill-climbing ability commonly called grade ability. The electric vehicle gearbox selection is of major importance to all aspects of a vehicle's performance.


Range and Charging Rate

This should not be left to chance. Using available formulas backed by other's real-world experiences you can save money and time by making the right decisions the first time. Using appropriate formulas you can choose the right onboard charger and a proper battery pack, including the correct cell chemistry to reach your performance range, regen efficiency and charge goals.



Budget Considerations

This is where men vs boys or reality vs dreams come into play. We have all read about the guy who used an old forklift motor and a few lead acid batteries and converted his vehicle to electric power. On the other hand, there are those that spend a small fortune in creating their electric conversion dream. Where you will fit between a $600 and a $100,000 conversion is something only you can say. We know this; the more performance, reliability, longevity and safety you put into your build the higher the cost will be. Equally true is the more completely you plan your EV conversion on paper the closer you will meet your goals for performance, range and budget.


We at Torque Trends are professional powertrain consultants with years of experience. We have personally been involved in many budget builds as well as a few high dollar award-winning EV conversions. Some have garnered much publicity while others are the secrets of the owners or the companies behind them. We have been blessed with many wonderful opportunities to consult on EV conversions, especially on the EV transmission side of the projects. Companies like GKN, Nissan, Gear Vendors and Universities like CAL State, LA., Metropolitan University in Helsinki, and the University of Kentucky, to name a few, have found benefit in our consulting services and products. Add to this list many hundreds of students and customers like yourself and you start to get a glimpse into our vast hands-on experience with EV car conversion, EV truck conversion and EV gearbox consulting.

 
 
 

97 Comments


atwebtech26
Sep 13

Great breakdown of the powertrain design process, especially the section on matching motor output with battery capacity for real world driving conditions. It reminded me how much consistency matters in any long term project, whether it's an EV conversion build or a personal habit system like 66 Day Refresh, small steady steps always outperform rushed shortcuts. Thanks for putting together such a detailed and practical guide.


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masonwilliam9734
Sep 11
Great breakdown of the powertrain design process it's fascinating how much planning goes into matching motor output with the right controller and battery setup for a smooth conversion. This kind of precision reminds me of how important proper alignment and calibration are in general, much like how a good chiropractor Odessa clinic focuses on getting the body's mechanics balanced for optimal performance. Thanks for sharing such a detailed guide, looking forward to more posts like this!

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liwei23364
Sep 11

Great breakdown of the powertrain design process the section on matching motor torque curves to the vehicle's drivetrain was especially helpful. It's interesting how much planning and precision goes into a successful conversion, honestly similar to how structured, step-by-step approaches make a difference in other fields too. For instance, in trauma coaching, that same principle of breaking a complex challenge into manageable, well-planned stages is what leads to real, lasting results. Thanks for sharing such a detailed guide!


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chenmei8693
Sep 11

Designing an efficient EV conversion powertrain requires careful planning, from selecting the right motor and battery system to ensuring proper energy management and performance. Similar to how a structured approach is important in engineering projects, focusing on balance, precision, and consistency helps achieve better results. In the same way, flexology southlake focuses on personalized techniques and thoughtful methods to support flexibility and movement goals. Whether working on advanced technology solutions or improving physical wellness, the right guidance and planning can make the process more effective and successful.

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anthonydavid4221
Sep 11

Great insights on EV conversion powertrain design and how important proper planning is when creating an efficient electric vehicle system. Understanding components like motors, batteries, controllers, and overall performance balance plays a key role in achieving better results. Similar to how precision matters in engineering projects, personalized approaches are also important in other fields, such as active rehab mississauga, where customized plans help individuals achieve better outcomes through proper guidance and structured support.

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