The Electric Bicycle Conversion Kit Store

As discussed in the earlier blogs, optimization is the ultimate goal of any engineer. Basically, optimization includes the best use of available resource. And engineers are always in search of a perfect resource which they can use to best of its ability. As far as hub motors are concerned, unsprung weight can be a perfect candidate to optimize.

In most of the conventional hub motors, ferrous material composed of laminated electrical steel is used. This ferrous material contributes most of the weight of the electric bike. This weight comes under the category of unsprung weight. This increased unsprung weight can lead to less than optimal vehicle handling. It can even lead to reduced efficiency. That’s why engineers always try to optimize this unsprung weight.

One way to do so is to reduce the electrical steel content of the motor by utilizing a core less design. We also advise to use Litz wire coil winding to reduce eddy current losses. These two very simple measures help to reduce hub motor weight and thus unsprung weight. Various manufacturers, like General Motors, are using these measures to obtain better vehicle handling. These measures also help to increase the efficiency!

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