Miscellaneous Articles
 27 July 2007: Electric Trolley Speed Controller
Complete design information on an electronic speed controller used to drive an electric trolley.
10 August 2007: PHET Lithium Battery Testing
Results from testing 18650 sized LiFePO4 batteries from Taiwanese manufacurer PHET.
14 September 2007: Dewalt DC9360 Disassembly
Step by step guide to taking apart a DC9360 battery pack and extracting that A123Systems goodness!
8 October 2007: Lithium Iron Phosphate Battery Testing
A comparison of five high power LiFePO4 batteries currently on the market, with a view to use in EVs.
4 January 2008: K2 LiFePO4 Battery Testing
Test results for four of the LiFePO4 batteries available from K2 Energy.
29 January 2008: Headway LiFePO4 Battery Testing
Test results for two larger format LiFePO4 batteries from Headway in China.
16 April 2008: Presentation on DC Motors (6.5MB PDF)
Slideshow from a talk on DC motors presented at the April 2008 WAEVA meeting.
21 July 2008: Curtis 1231C Repairs
Some pictures and information on repairs of a damaged Curtis 1231C motor controller
7 August 2008: Contactor Jewelry: Precharge Resistors & Spike Suppression Diodes
How to build these simple but useful devices to extend your contactor life.
26 November 2008: Motor Controller Design: A Photo Journal
A gallery of pictures showing the iterative design of a DC motor controller for EVs.
22 January 2009: Development of an EV Monitoring System
Some details of Ian's latest project, a device integrating many common subsystems in EVs.
14 August 2009: Importing Into Australia
A quick writeup on the process of importing goods into Australia, and why local pricing is different from the US.
23 September 2009: DC Motor Controller Shootout
An overview of the good and bad points of (144V+) DC motor controllers currently on the market.
9 December 2009: EV Power's Battery Management System
Information about EV Power's proprietary BMS system for lithium battery packs in EVs.
6 May 2010: Lithium Care Guide
A few tips for looking after your LiFePO4 lithium batteries, to ensure the best performance and service life.
28 February 2011: Digital Potentiometer Adapter
Design of a digital potentiometer adapter, for interfacing hall effect throttles with motor controllers requiring resistive throttle inputs.
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