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Ebike miscellaneous

In this category, you can find a collection of miscellaneous projects that were carried out throughout the development of the solar bicycle.

Ebike miscellaneous

Why does the Shimano Nexus-7 has such a great friction?

The huge friction problem of Shimano hub gears What many people don't know is that the Shimano Nexus 7 hub gear require a lot of extra pedaling energy, I have personally experienced this with...

Gazelle Orange Innergy rebuild

The author of this article is Paul Alting van Geusau, Summer 2017, Munich, Germany Gazelle Orange Innergy e-Bikes and home-made derivation When introducing their Orange Innergy e-B...

De actieradius van elektrische fietsen vergelijken

Een lichtgewicht elektrische fiets van 12,5kg Lichtgewicht elektrische fiets van 12,5kg Mijn elektrische fiets, die ik zelf heb gebouwd, heeft een gewicht van slechts 12,5kg, inclusief accu...

Lightweight 12.5kg sport e-bike

The need for a lightweight e-bike I want to produce lightweight ebikes and here I tell you why.If you have to lift an ebike or have to climb stairs, it is nice if it does not weigh more than 15kg....

Verzet berekening

Verzettentabel De versnellingsverhouding van een fiets wordt aangegeven met het verzet, dit is de afstand die een fiets aflegt bij één omwenteling van de trapas. Een verzettentabel geeft aa...

Tips voor fietsen in de bergen

Moeiteloos bergop fietsen Veel recreanten, de doelgroep waar het hier over gaat, zien op tegen het fietsen in de bergen. Daarom introduceer ik hier een techniek waarmee je zonder extra inspannin...

Bicycle bidon without plastic taste

Smelly bicycle bottles It is unbelievable that plastic bicycle bottles are still used, even disposable bottles are better. Plastic bicycle bottles have the disadvantage of a pungent plastic tast...

Minimale fiets bagage

Gewicht besparen op fietsbagage Bij meerdaagse fietstochten neem ik zo weinig mogelijk mee om gewicht te besparen. Omdat ik overnacht in hotels of bij particulieren van “Vrienden op de fiets” he...

E-bike regulation and limitations

Regulation EPAC norm EN 15194 This is a brief summary of the electrically power assisted cycles (EPAC) regulations in Europe: Maximum speed 25 km/h (15,6 mile/h) ± 10% (production confor...

Energy requirements of cycling

Required energy to cycle It is important to know the required power for different situations such as climbing hills. In the Excel sheet / tabsheet "Power required" the required power is calcu...

The cost of bicycle weight saving

The price of bicycle weight savings I would like to determine what amount of money is still useful to invest into bike weight reduction. Lightweight bikes of less than 10kg, in the upmarket, cos...

Formulas for power calculations on ebikes and hub motors

Related articles Measuring DC motor parameters Simulation e-bike hub / mid-drive motor efficiency vs speed Permanent magnet DC electric motor tuning Extracting motor parameters from the graph...

Bicycle links

Other Ultralight cycling Health Benefits of Regular Cycling Composiet Forum Dutch Modelbouwforum Dutch Hobbyelektronica Informatie voor elektronica hobbyisten How to prevent you...