FreeCAD Learning Resources
The following is a collection of resources helpful for getting into FreeCAD, which is is now in stable...
Simple Plywood Motorcycle Shed Design
This post covers the design of a simple 2×2.4m outdoor shed, made from 45x45mm lumber and 9mm plywood....
NZART/NZ Amateur Operators Certificate Anki Flashcards
This post is a link to an Anki flashcard version of the NZART NZ General Amateur Operators Certificate...
Honda NBC110 Component Material Analysis
This post covers a simple analysis of the major component weights and raw materials of a 2016 Honda...
A MATLAB GUI LaTeX Formatter and OCR Extractor for Song Lyrics
This is a little GUI application built in MATLAB, which takes in plain text song lyrics and formats...
Thermal Analysis of an Air-Cooled NEMA23 Stepper Motor
Edit 07/09/2024: The values calculated in this post seem a little suspect. If anyone with thermo experience can...
A Pseudo-Class Modelling Approach for large Assemblies in OpenSCAD
This post describes an approach to create large assemblies in the parametric CAD software OpenSCAD. Background – About...
PrintNC Derivative CNC Router/Gantry Mill
During the summer of 2023, I had the opportunity to work at a specialized CNC machining firm, where...
Twisted Pair Cable Winding Machine V2.2
This project is an upgrade and redesign of the previous twisted-pair winding machine designed to wind cable for...
3D Printer Pen Plotting Workflow
This quick project was to adapt my Sidewinder X1 3D Printer for pen plotting, allowing me to directly...
Sidewinder X1 Extruder Stepper Upgrade
Recently I purchased a second hand Artillery Sidewinder X1 3D Printer with extruder problems. The stepper would frequently...
NBC110 Camchain and Piston Replacement
Since I’ve had my Cub, the engine has always had a pretty noticeable rattle when cold, which would...
NBC 110 Fork Oil and Gators
Today’s mission was to replace my old torn fork gators with some new ones, and change the fork...
Custom Motorcycle Oil Cooler Analysis
Due to overheating problems on my air-cooled Honda NBC110 during long uphill climbs, I have decided to install...
Economics of Thermal Power Conversion
In discussions on the economic viability of Fusion as an energy source, the costs of thermal power conversion...
Engine Volumetric Efficiency and Theoretical Power Output.
This post covers some basic calculations of internal combustion engine volumetric efficiency, and compares at theoretical vs rated...
Fuel Mileage on an NBC110 Supercub
A record of the 2023 fuel mileage of my 2015 NBC110.
Vex Robotics Custom Turned Leadscrews
Custom turned leadscrews for the Vex Robotics Competition, used to actuate a linear gripper.
Punch Press Design
Basic design of a punch press using commonly available steel SHS members.
Scooter Battery Bracket
Set of 3D printed brackets designed to allow reused Lime Escooter batteries to be attached to the 50mm stem of a foldable scooter.
25B Bus Acceleration Profiles
These charts were created in 2021 for a university course. The data was collected using an MPU6050 accelerometer and Arduino Nano, outputting the approximately 87,000 data points over serial.
BWRX-300 vs Renewables
This is a comparison between the 300MWe BWRX-300 small modular [fission] reactor (SMR), and the equivalent amounts of solar and wind power.
Three Wheeled Vehicle Design Project
This project was undertaken in a team of four for Mecheng 236: Design and Manufacture 2, and received a grade of A+.
The goal of this project was to produce a preliminary design for a tilting three-wheeled LE-1 class vehicle, creating engineering drawings and a BOM for manufacture, and presenting the design to stakeholders.
Helicity Space
Helicity Space is a California based company developing fusion-enhanced ion drives for spacecraft, with the eventual goal of reaching a fully self sustaining fusion engine.
UK Renewables Strike Prices
Strike prices of various renewable energy projects in the UK, from the Low Carbon Contracts Company, which provides a register of various energy projects, both operational and planned.
New Zealand Energy Use
New Zealand emissions data extracted from the MBIE energy balance spreadsheets using the Python Pandas library, spanning from 1974 to 2019.
OpenStar – Levitated Dipole
OpenStar is a New Zealand company formed in 2021 aiming to develop and commercialize the Levitating Dipole reactor.
First Light Fusion
First Light Fusion is a UK based company using a novel projectile driven inertial confinement approach. The company has demonstrated fusion and hopes to achieve scientific breakeven from 2027.
Centrifugal Clutch and Sump Helicoil Installation on a Honda NBC110 Supercub.
Earlier this year I made the decision to replace the centrifugal clutch on my NBC110. This was probably...