FA info icon.svg Angle down icon.svg Source data
Type Paper
Cite as Citation reference for the source document. Vennard, H.; Pearce, J.M.; Denkenberger, D. Wood Chipper Design for Biofuel Production in a Global Catastrophic Loss of Infrastructure Scenario. Hardware 2024, 2, 154-172. https://doi.org/10.3390/hardware2020008 OA Academia
FA info icon.svg Angle down icon.svg Project data
Authors Vennard
H.; Pearce
J.M.; Denkenberger
Location Lafayette, CO
Status Designed
Verified by FAST
Uses Wood chipping
Links Sourcecode: https://osf.io/wus9y/
OKH Manifest Download
FA info icon.svg Angle down icon.svg Device data
Assembly instructions https://www.mdpi.com/2813-6640/2/2/8
Design files https://osf.io/wus9y/
Hardware license CERN-OHL-S
Certifications Start OSHWA certification

A variety of events such as high-altitude electromagnetic pulses, extreme solar storms, and coordinated cyber attacks could result in a catastrophic loss of infrastructure on a continental or global scale. The lengthy repair of critical infrastructure creates a need for alternative fuels such as wood gas. Wood gas is produced by heating wood in a low-oxygen environment and can be used to power combustion engines. This work investigates a novel wood chipper, designed as an energy-efficient tool for producing wood gas stock, wood chips, aiming to speed up the transition to alternative fuel. A prototype is built and tested to determine the energy efficiency and production rate of the device. The results suggest that the wood chipper could produce one cord of wood chips, 3.6 m3, in less than a day and is a viable alternative to other manual wood-processing methods. In addition, the global scaling up of production of the wood chipper is considered, indicating that the mass production of the wood chipper could accelerate the transition of wood gas production methods from manual to machine-driven immediately after a catastrophic event.

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