Solar-Powered Glass Tumbler for Cape Maclear, Malawi: Design, Maintenance, Operation, and Results
Global Health Enginnering, ETH Zurich mail
A solar-powered rotating-drum tumbler that transforms sharp waste glass into smooth "sea glass" safe for reuse in construction, landscaping, and crafts. Developed in Cape Maclear, Malawi by ETH Zürich's Global Health Engineering Group with the community-based organisation Sustainable Cape Maclear. Processes 20 kg batches in 8–10 hours using a 260 W solar panel, 24 V DC motor, and a repurposed 19 kg LPG cylinder as the drum. Total material cost ~$581. Battery-free, grid-independent design.
Version
1.0.2Licenses
Certification mark
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Project Type
Environmental
Arts
Tool
