Blog Archives

Electric Bikes – odometer

7th February 2017 – 7631 kilometres 4th November 2016 – 7432 kilometres 18th October 2016 – 7245 kilometres 5th October 2016 – 7080 kilometres 20th September 2016 – 6910 kilometres 7th September 2016 – 6803 kilometres 22nd August 2016 –

Posted in Electric Bikes

Electric Bikes – a new addition to the stable.

After 3 years of building and maintaining our two Giant Elwoods with Bafang 8Fun rear hub motors, I have decided to purchase a new e-bike to act as a company vehicle for my computer repair business. My existing e-bike is

Posted in Electric Bikes

Electric Bikes – hub motor torque/spacer washers

I originally posted this for someone who called asking for advice, but I am leaving it here in case it helps anyone else. When you get a bafang hub  motor, it comes with two “torque” washers, which fit over the

Posted in Electric Bikes

Electric Bikes – Wheel Building part 2

In the previous post  I mentioned the delay in getting the spokes I needed, well they finally arrived last week. Lacing the wheel was reasonably easy, and stress free, other than the slightly disturbing way the wheel goes together, so

Posted in Electric Bikes

Electric Bikes – wheel building

It’s close to 3 years since I started the process of building our electric bikes, going through a decision process, followed by researching suppliers, followed by taking the big leap and ordering a lot of parts. The major part of

Posted in Electric Bikes

Arduino – multi-cell voltmeter

Right at the start of the saga which is my multi-cell voltmeter/potential BMS, I considered and rejected the simplest way of doing this, namely using voltage dividers to drop the voltage from the cells down to within the range of

Posted in Arduino, Computer Stuff, Electric Bikes, Programming

Electric Bikes – a quick battery check

When I got home on Friday, Lynn’s bike was on charge, whirring away (noisy charger!). As she only left an hour or so before me, this was OK. However, when I did the rounds at bedtime (4 hours later), checking

Posted in Electric Bikes

Electric Bikes – did I say spring?

It was a dark and stormy night, and it didn’t promise well for the day either. At 6:25 Lynn left for work wrapped up in balaclava, gloves, water proof jacket and trousers, still dark outside, windy, and still a bit

Posted in Electric Bikes

Electric Bikes – spring again

As I post the updated odometer reading to the e-bike blog, I realise that I have done 1000 kms during July, August and September – a New Zealand winter. It’s not been a particularly harsh winter, nor did it seem

Posted in Electric Bikes

Electric Bikes – another motor gear broken

Yesterday Lynn mentioned that the noise from her wheel was getting worse, but she couldn’t figure out what it was or when it happened exactly. I did a few tests, and heard a knocking when the motor was powering the

Posted in Electric Bikes