Simply build an electric car yourself – that’s what you need for it!

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Everyone is talking about electric cars, and politicians in particular regularly discuss subsidies and other measures. But many car tinkerers are also working on one or the other solution, which of course only meets small standards – but can still be realized with certain efforts. The most complex part of an electric car is the battery cell itself, both technically and financially. them takes up a lot of space and decides decisively on the range of the electric car.

But what exactly is important here, how can an electric car be produced by oneself?? shows all interested parties which aspects are decisive here.

The basis of an electric car: lithium-ion batteries

A key aspect that is decisive for the market maturity of electric cars is the capacity and performance of the battery pack. The current state of the art is such that there is no other technology that would provide an advantage over lithium-ion batteries. On the basis of this technology, Tesla is able to achieve a range of more than 500 kilometers with the Model 3, for example – under certain conditions, of course.

For comparison: The BMW i3, production of which is to be discontinued shortly, originally came onto the market with a range of around 200 kilometers. And that was not so long ago. So quite a bit has already been done to make electric cars increasingly “marketable”. However, this information should always be viewed with a healthy degree of skepticism, because the manufacturer naturally has an interest in ensuring that the machine is particularly reliable high mileage as an advertising claim to be able to use them. However, it shows how the technical side has developed recently.

Experts believe that further developments and improvements in lithium-ion battery technology are possible. The talk is of about 30 percent capacity growth within ten years. However, this technology is not the “panacea”, but based on finite resources. Contain lithium, cobalt and graphite, which are mined under rather questionable conditions.

In practice, it is also important to know how much time is required for a complete charging process. Critical is also the Service life of lithium-ion batteries to be questioned, which can be done with approx. 100.000 kilometers Is. Every e-car enthusiast can work out what the “half-life” of a classic e-car is.

BACK TO TOPIC: Can I build an electric car “just like that” myself??

To be able to answer this question, we should answer with “It depends”. In principle, it makes sense to transform a combustion engine into an electric car; after all, the state provides certain incentives, such as vehicle tax exemption for ten years. More and more workshops therefore offer complete conversions. Here the principle applies: the older the vehicle, the better (resp. simpler). Here, emergency brake assistants, electronic stability programs (ESP) or immobilizers are usually missing. They also weigh considerably less in some cases. Last but not least, manual transmissions can be converted more easily.

What you should pay attention to: The installation of an electric motor in conjunction with the battery weighs quite a bit in the balance. In this respect, the battery must also be conditioned. If you decide for a smaller battery, you reduce the mileage at the same time. No problem for short trips, but for longer journeys u.U. problematic.

You also need a sog. Battery management system, a safe container for the energy source as such as well as countless controllers. A new accelerator pedal with control tool is necessary, as well as certain adapters for the gearbox. You can buy every component separately on the market, but this only makes sense if you are absolutely obsessed with details and have technical know-how. But as a rule, only sogs make sense. Electric car construction kits, they all contain EMC-compatible components.

Important: If the initial registration is before 17. June 2003? Then you are lucky, because here no sog. Electromagnetic compatibility test (ECER 10 resp. EMC) is demanded. All “younger” used cars are not allowed on the road without testing, which in turn costs quite a lot of money (high four-digit).

And now? When is it worthwhile to build an electric car yourself??

Even if electric cars are currently “the hit” par excellence, the technology behind them is quite old. The first real e-car is the “Flakes electric car“which rolled off the assembly line of Maschinenfabrik A in Coburg from 1888. Flakes rolled – based on a Scottish development. It’s worth taking a closer look at the wide range of do-it-yourself kits available. However, high four-digit costs are the rule rather than the exception. Due to the testing mechanisms, it is only worthwhile for cars with first registration before the 17. June 2003.

Tip: Look for reports on successful conversions on the web to familiarize yourself with the individual steps. This will give you a feel for what is involved technically and, above all, organizationally.

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