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Blog - Pagina 2 van 8 - Rebbl

02

Feb

We’ve moved!

  • By ivovandenbrink

We see a bright future in electrifying fossil things, and we’re not alone! A lot of people and small companies start their own DIY conversion project and we are glad to help. For this we need a place where we can easily demonstrate drivetrains. A place where we can combine a workshop, showroom, warehouse and office. We found it in Drachten at the A7 highway! We are very happy to be here. Take a tour in our video, and don’t hesitate to drop by at Richterlaan 10-2 in Drachten, The Netherlands.

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01

Feb

New Calb batteries breakthrough for EV Conversions

  • By ivovandenbrink

Recently CALB launched a new prismatic 72Ahr CAM cell with a spectacular improvement in volume/energy ratio of almost 40%. This means DIY cells are now in the Nissan Leaf class! Calb provides clever accessories which makes mounting and installation very easy. We expect to see a lot of these in combination in light weight or long range solutions, like boats, scooters and long range cars. Joost explains why.

More about these great batteries in our webshop: http://shop.rebbl.com/10186428/calb-72-ahr-cam-cel

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31

Dec

Rebbl.com 2014: 48.000 visitors from 132 countries

  • By ivovandenbrink

2014 was a great year for Rebbl.com: people from all over the world visited our website. The statistics: 48.000 visitors from 132 countries. Top countries are The Netherlands,  the USA and Germany. More info here. Thanks for all your visits folks! There’s more great content to come in 2015, so we’d love to see you back!

 

 

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23

Dec

Electric Citroën HY Street-food Wagon for Lekkeretrek

  • By ivovandenbrink

In january we will start converting an oldtimer Citroën HY to electric, in our new workshop in Drachten. The old bus will be restored body-off, converted to electric and then converted again: to a snack-wagon full of honest and delicious street-food. There will be several of these in the Netherlands. Take a look at this great initiative: Lekkeretrek. The bus will have a range of about 140km at 80km/hr and can be fully charged in 6-7hrs.

The bus will be converted with a DC motor-controller setup:

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The clean HY body, ready for new paint

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A special Kostov 11″ Alpha 250V mounted on the existing gearbox of the Citroen HY

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Tooth splined shaft and torque adapter attached to the flywheel

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Tooth splined shaft

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Soliton 1 and Calb Lithium batteries

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An older, ICE-powered, HY from Lekkeretrek in action

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12

Dec

Demonstration Siemens AC motor DMOC controller kit

  • By ivovandenbrink

Joost demonstrates a Siemens AC motor, Azur DMOC controller setup with Calb batteries and the EVTV GEVQ interface, in the Rebbl EV Conversion Workshop. Want to know about the advantages and disadvantages? For what kind of car or boat would this setup be perfect? Watch the movie and you’ll know all about it. Now available in our webshop!

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09

Dec

Top 10 factors that determine your EV Conversion budget

  • By ivovandenbrink

When you have plans to convert your car or boat to electric, one of the first questions that will pop your mind is: What budget will I need? Well, anything between €5.000 and €100.000 is realistic. That’s not much of an answer. Here are the 10 major factors that determine your EV Conversion budget.

1. DIY vs professional workshop
Think twice about letting someone else do the conversion job for you. There is a lot of knowledge out there readily available to make it possible to convert your car or boat yourself. It will be your hobby for the coming months and you will save €5.000 to €10.000 in workshop hours, or even more. So if you are kind of smart, have the time and want to save some money: go for DIY. If you have the budget and want your project to be ready ASAP: go for the professional workshop.

2. The type of vehicle
You can imagine there is a big difference between converting a heavy modern car like a 2014 Mercedes 500S and a 1982 Fiat Panda. The Mercedes has a lot of complex computerized systems, so you will need a solution to work with the computers and secondary functions like airconditioning, power steering, etc. The Merc is also very heavy; over 2000kg. The Panda is just plain simple and lightweight: under a 1000kg. It needs half the batteries.

3. Sporty vs economy
Is it allright that your car does 0-100km in over 10 seconds or do you want the Tesla way and count to three? Does top speed matter to you? Max 100km/hr is totally different from a maximum speed of 200km/hr. You will need a different motor/controller setup, maybe even two electric motors.

4. Regenerative breaking
Do you need regen? Overall you can win 10% of battery capacity with regenerative breaking. But that’s only when you drive in a surrounding where you have to break every once and a while: a city environment. So if you do more stretches outside the city, you might not benefit from it at all. If you want regen you go for an AC (or brushless DC) drivetrain. In general AC is about 30% more expensive than brushed DC.

5. Range
It’s easy to think of an electric car going more than 200km on just one charge. But do you really need it? Because this has a serious impact on your budget. In a small oldtimer like a Beetle, a 70km range will cost you €2.000 in lead-acid batteries. 120km range will cost you € 6500 in lithium and >200km will cost about €12.000. With the amount of batteries rising, the cost for casing, cables and your BMS will also rise.

6. Is it done before? 
Sometimes standard parts like a motor mount and batterycasing are already available for specific models, so you can just order them from the shelf. If you are the first to convert a specific type of car, you might need to hire an engineer for these parts. Furthermore, the company needs to mill just 1 piece, so the cost cost will be significantly higher. Last but not least: getting a unique car approved by your local Road Institute could be a lot more expensive than a car that has been approved before.

7. Bargains
Now and then cheap lithium batteries, as a result of bankruptcy’s or damaged cars, are dumped on the market. These can be a nice push to launch your project. Disadvantage is that there is no warranty on these batteries. Back-up and information should not be a problem when you visit internet fora and blogs about these type of batteries. A good example is the dumping of batteries out of the Better Place bankruptcy early 2014. Also, every now and then some Ampera or Leaf batteries are for sale, out of a damaged car.

8. Upgrade early electric cars
From 1990 to 2005 automotive brands like Fiat, Peugeot, Citroen and Renault launched low budget electric alternatives for models like the Panda, Kangoo, Berlingo, 106. These cars are now available on popular websites like E-bay, Autoscout etc. You can easily upgrade these cars by replacing the Lead acid or Nickel Cadmium batteries by adding Lithium batteries for example. You will have to replace the charger as well, but after that you have more 2000 duty cycles to go, less weight and more power.

9. Basic vs complex battery management
If you keep your BMS simple, like a basic battery balancer with a basic State of Charge meter, you can save money. You will have to keep an eye on your batteries every now and then and be more conservative with charging and de-charging. But if you like better protection and a lot less looking around, and a fancy State of Charge meter on your dashboard, you will end up spending €2-3.000 more on your conversion.

10. Charging
Last but certainly not least: when you use one 2500W charger on a small battery pack like 17kWh, it will be full in 6-7 hours. If you would like to charge with 22kWh, a 22kW AC charger will do the job in less then an hour. It will cost you €4500 more though.

Conclusion
The budget you need for your electric car conversion depends on your wishes. If you want a rock bottom conversion, your best option is to buy some second hand kit and lead acid batteries and put it in a small city car. You will have a nice drive around the village. Ranges over 200km will certainly do 25k€ in components.  If you want a Tesla killer reserve a 100 grand and call us for help 🙂

How about your conversion plans?
Just give us some short details and we will give you a free tailored advice on the setup you need. No strings attached.

Schermafbeelding 2014-10-27 om 14.09.55

 

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18

Nov

Awesome Ascona electric conversion

  • By ivovandenbrink

Take a look at this awesome Ascona conversion from one of our Dutch clients. The way the battery cases are designed, the near perfect installation of components, they show an eye for perfection. The Ascona was converted with an EVNetics Soliton JR controller and a Kostov 10″ motor. The battery pack has 52 200Ah Thundersky cells, which generates a range of about 230km for this lightweight car.
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05

Nov

Unique EV Conversion: FT Bonito

  • By ivovandenbrink

A conversion project is quite special, so most of you choose a special model to convert: old vans, sporty oldtimers- and youngtimers are definitely favorite. We are now working on a car so rare, there are only a few of them driving around: one in the Netherlands and probably two in Germany. It’s the FT Bonito Cabriolet, a car with a VW Bug chassis and a plastic body that was inspired by the legendary Ford GT40. The Bonito can be converted with VW Bug components, and we will work on some general improvements as well. We can’t wait to drive it!

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21

Okt

Electric Quad made to perfection

  • By ivovandenbrink

Check out this electric quad from a Dutch customer, converted with an eye for perfection. Simply beautiful.

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The EV Conversion Kit that was used for this quad:

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03

Sep

Dream your Tesla killer EV Conversion

  • By ivovandenbrink

The Tesla S is a great electric car and there is nothing that comes close. Or is there? What would a competitor look like, if we would make one, with a kit and parts from our webshop?

First: an über cool donor car, light but big enough, preferably rear drive, motor up front for space and weight balance. What about the TVR Cerbera: after ripping out all fossil rubbish only 850kg remains (€15k).

You will need 75kWh of batteries, we prefer Calb 72Ah batteries (€25k, 650kg). Because of the high voltage we’d go for the DMOC/Siemens setup (€8,5k, 100kg). Charger: Brusa 22kw (€4k). You will charge >100km an hour. Other stuff: a BMS (€2,5k) and the rest (heater, adapter, cables, etc. (€10k). Altogether you will need a budget of roughly €65k excluding VAT.

Now you have to put it together. Say goodbye to your shrink with this wonderful winterhobby! We can help you out of course. The result: a fast, long range and highly original Tesla killer! Want to realize your electric dream car? Contact us!

The TVT Cerbera: an ideal electric car conversion according to Rebbl EV Conversion Webshop

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