2025–2026

Date & discipline

Engineering & Analysis

Other Projects

Other Projects

Other Projects

Reverse Engineering — Handy Stitch exploded assembly

Further engineering work in data science, experimental mechanics and reverse engineering.

Other Projects

overview

Three projects explore different ways of understanding systems: predictive modelling, a bouncing-ball experiment and a handheld sewing-machine teardown.

Selected pages are shown below, with the complete reports available for each project.

deliverables

Data Science

Modelling

Experimentation

Reverse Engineering

01 - Data Science

Investigating income classification using the UCI Adult Census dataset.

Data Science — report page 1
Data Science — report page 2
Data Science — report page 3
Data Science — report page 4
Data Science — report page 5
Data Science — report page 6
Data Science — report page 7
Data Science — report page 8
Data Science — report page 9
Data Science — report page 10

about

This group report compares decision trees, support vector machines, logistic regression and random forests across socioeconomic feature groups.

The analysis evaluates predictions using accuracy, precision, recall, F1-score and confusion matrices. It examines predictive patterns rather than causal relationships.
Read the full report (PDF) ↗

02 - Bouncer Challenge

Predicting a steel ball’s motion from a tube through its first and second bounces.

Bouncer Challenge — report page 1
Bouncer Challenge — report page 3
Bouncer Challenge — report page 4
Bouncer Challenge — report page 5
Bouncer Challenge — report page 6
Bouncer Challenge — report page 7
Bouncer Challenge — report page 8
Bouncer Challenge — report page 9
Bouncer Challenge — report page 10
Bouncer Challenge — report page 11
Bouncer Challenge — report page 12

about

The November 2025 report combines projectile-motion calculations with a measured coefficient of restitution.

It develops a prediction of total distance and examines the uncertainty in the model and experimental measurements.
Read the full report (PDF) ↗

03 - Reverse Engineering

Investigating the mechanisms, materials and manufacture of a Handy Stitch sewing machine.

Reverse Engineering — report page 1
Reverse Engineering — report page 4
Reverse Engineering — report page 5
Reverse Engineering — report page 9
Reverse Engineering — report page 10
Reverse Engineering — report page 16
Reverse Engineering — report page 17
Reverse Engineering — report page 18
Reverse Engineering — report page 19
Reverse Engineering — report page 21
Reverse Engineering — report page 22
Reverse Engineering — report page 23
Reverse Engineering — report page 24

about

The March 2026 report documents the teardown, component identification and operation of the handheld sewing machine.

Photographs, diagrams and a bill of materials support the analysis of manufacturing processes and opportunities for improvement.
Read the full report (PDF) ↗

nicholas elton