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crank motors? I think they are crap motors since you will experience problems fixing worn out gears after the product's commercial end of life. Fortunately Panasonic bought Sanyo and might use their smart 2.3kg geared hub motor... I did not have the luck testing one yet, may be its the other way...

Hi, same happens to me (noisy under load connecting to a Ningbo Polaris motor) - I'm thinking abot buying an Oszilogram. To be honest, Ecrazyman did not say that it was tested with that motor. Times were much easier with the brushed motors... cu Efried

Hello, I'm just wondering if there is a Patent on hub mounted batteries (now with matra)- this would put the Chinese in problems... Gerfried Title here!

I have measured 5Ah for a 12Ah 12V SLA Hyperbike And 12V charging is preferred over 24 or 36V charging to avoid imbalaces... Gerfried

Hello, Unfortunately the project is only 1 month old- so no inventions to show, but believe me there are drafts.... Many thanks for filling in. We are particularily searching for elderly and disabled to fill in our questionnaiere at Hyperbike Also we need SMEs and researchers from Irland...