This is the online notebook of Paul Kennett (paul at kennett • co • nz). I'm also on:

2022

• Lekkie E-bike conversion - June 2022

2021

• Nissan Leaf Battery Cooling experiment - March 2021

2020:

• Nissan Leaf Range Display - Aug 2020 ongoing
• Nissan Leaf DIY Lifepo 12 Volt Car Battery - July 2020
• Nissan Leaf Camper Mode - June 2020

2019:

• Nissan Leaf SOC display - Oct 2019 - Aug 2020
• Nissan Leaf Coast down tests to compare my 3D printed aero mods - May 2019
• Nissan Leaf Powerboot range extender battery - March 2019 ongoing [paused while I collect more cells]

2018:

• Maker Faire Wgtn - 4 Nov 2018 (https://web.archive.org/web/20200116170633/https://www.noted.co.nz/tech/tech-tech/recycled-laptop-batteries-diy-solar-power-systems)
• Nissan Leaf - Aug 2018 ongoing

2017:

• Solid Fuel Rockets - June 2017
• Rail Bike - April 2017

2016:

• Power Wall - Dec 2015 ongoing

2015:

• Emergency power box upgrade - Nov 2015
• Go-kart battery upgrade - Oct 2015
• Enviromower battery upgrade - Oct 2015
• Reusing old laptop batteries - August 2015 ongoing
• LED dance top - August 2015
• Enviromower - March 2015
• Solar recharging my ebike - February 2015
• Electric scooter repair - January 2015
• 16v Lithium battery pack rebuild for old NiCad drill - January 2015
• 32v Lithium battery pack rebuild for go-cart - January 2015

2014:

• Solar powered trapdoor opener for tree hut - November 2014
• Solar powered web server - moved my home based web sites to fully solar powered server - 14 Oct 2014
• Fixed another broken PV panel - 25 April 2014
• Arduino micro-controller experiments - April 2014
• Small emergency solar power box - April 2014
• Electric commuter bike - February 2014
• South Island holiday - January 2014

2013:

• 3D Printer? Printrbot Jr kitset - September 2013
• Robot arm built with photocopier parts - September 2013
• Solar PV panels back on the roof - August 2013
• Electric go-kart - convert lawn mower driven go-kart to electric - May 2013
• Painted the kitchen - May 2013
• A short talk about rain water tanks at an Enviroschools meetup - April 2013
• Fixed an old Kenwood electic beater - replaced old capacitor - April 2013
• Helping build electric bikes - March-April 2013
• Helped build a tiny house - including tiny solar power system - March 2013
• Sun-250 grid tie inverter upgrade hacks - 2 January 2013

2012:

• Fixed a 32 inch TV - superglued on/off button - December 2012
• Fixed an LCD monitor - replaced bulging capacitors - October 2012
• Flux capacitor transmorgifier - made from old electric drill / hair drier - September 2012
• Little Boards - my DIY version of littleBits - July 2012
• How to fix a corroded solar panel junction box - June 2012

2011:

• Got a Dahon folding bike for the 16km commute to work - late 2011
• Cheap wall insulation with polystyrene beads Version 3 - compressed air blower version - 2011 ongoing
• Pinehaven Rainwater Harvesting Workshop - April 2011
• Tips for DIY Insulation workshop given at the Sustainable Home and Garden Show - 27 March 2011

2010:

• Signs of Change: Living happily on a carbon budget of 1 tonne CO2-e per year (Speech notes, slides and video) - Nov 2010
• CarbonZero measuring our household's carbon emissions - updated monthly
• Flights a list of every flight I've ever taken - Aug 2010
• infrared thermal imaging - Jan 2010, updated Mar 2010
• Bottle tops - 2008-

Older:

• Cheap wall insulation with polystyrene beads Version 1 , your questions, infrared thermal imaging and the new compressed air transfer system
• Cheap wall insulation with polystyrene beads version 2 with a Ryobi Leaf Blower - Aug 2010
• How to make a hair dryer screwdriver for cheap wall insulation - Oct 2010
• How to convert a hair dryer into a insulation blower for cheap wall insulation - Aug 2010
• Energy Use I Am Directly Responsible For 26 Aug 2009
• Current Cost Energy Meter - June 2009
• My Home Energy Obsessions presentation - 9 June 2009, 3 Nov 2009
• pelmets - May 2009
• solar cooker - Dec 2008
• I played with a heliostat - Aug 2008
• Cheap 1000 litre rain water tanks - Dec 2007-Feb 2008
• My energy efficiency blog - tracking my home insulation and energy projects
• Our house was given a HERS 6.5 star rating - Feb 2008

"Not being able to do everything is no excuse for not doing everything you can." Ashleigh Brilliant

(More quotes)