Joseph Hall
← Engineering Portfolio

Project Category

Personal

Independent builds driven by curiosity, hands-on learning, and a desire to make useful mechanical systems.

Completed propane-fired casting furnace during operation

Personal Project · April-May 2026

Casting Furnace

A propane-fired metal casting furnace built from a salvaged helium canister, capable of exceeding 2100°F whilst operating from a standard propane tank.

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Completed compressed-air engine with belt-driven pencil sharpener

Personal Project · June 2024-August 2025

Compressed Air Engine

A compressed-air engine designed and manufactured with custom components, then retrofitted with belts and pulleys to power a pencil sharpener.

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Completed wood-burning rocket stove during operation

Personal Project · April-May 2025

Rocket Stove

A wood-burning rocket stove designed and fabricated from $18 of salvaged steel for cooking meals outdoors.

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Compact desalination kit assembled from a stainless-steel bottle and copper tubing

Personal Project · January 2026

Compact Desalination Kit

A compact thermal desalination device built from copper tubing and a stainless-steel bottle, recovering approximately 55% of its input water as liquid condensate.

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