Tim Bishop, Electric BMX Bicycle 24″ wheels, nine continents motor, kelly controller, 48V, 350Watt-hour LiFePO4 battery pack Range: 12km.  Top speed: 37km/hr   Parts List www.evassemble.com 1 x Capacitor-16S-30A-BMS (Capacitor-16S-30A-BMS)  = $69.00 1 x KP-J(240W) Charger (KP-J(240W))  = $36.00 1 x Kelly KBS48121,50A,24-48V BLDC Motor Speed Controller (KBS48121,50A,24-48V)  = $146.00 www.e-bikekit.com nine continents motor via Ebike-kit [...]

The New Zealand Energy Efficiency and Conservation Authority (EECA) has developed a Home Energy Rating Scheme (HERS) for New Zealand households based on software simulation of energy loss and demand. The software requires hourly data to represent the differentclimates zones around New Zealand, especially for larger population centres. These climate data consist of hourly records [...]

Lyndall Hancock has spent a lifetime with a rainwater tank beside the house. Over the years, the Dunedin woman has used water collected from the roof – running down through pipes to a tank beside the house – for cooking, cleaning and even drinking, once strained and boiled. Now aged 80, Miss Hancock lives in [...]

We are starting the design process to retrofit one of our small, transportable office buildings.  As it is nearly house-sized, the aim of the retrofit is to showcase a range upgrades possible for Dunedin homeowners to adapt their house to be warmer, more efficient, and to support a range of behaviours. I work at the [...]