Human Power eJournal is an open source electronic periodical created by the Human Power Institute on behalf of the International Human Powered Vehicle Association IHPVA. Complete articles or excerpts may be published elsewhere under these terms.

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article

19. Closed-form Method to Evaluate Bike Braking Performance,
Junghsen Lieh. -- HTML (condensed article with further files), PDF (full article)

article

18. Foundation building with human power: ground screws,
Theo Schmidt. -- HTML

articles

17. Ergonomics of Direct-Drive Recumbent Bicycles,
Jeremy M. Garnet. -- HTML (condensed article), PDF (full article)

16. Maximizing Performance in Human Powered Vehicles: A literature review and directions for future research,
Danny Too and Gerald E. Landwer. -- HTML (article)

15. Series Hybrid Drive-System:  Advantages for Velomobiles,
Andreas Fuchs. -- HTML (condensed article), PDF (full article)

articles

14. The Effect of Static Leg Position and Cadence on the Drag of a Cyclist,
Kim B. Blair, Guo-Liang Chew, and Mark Cote. -- HTML (article)

13. SDV drive with oval pedal motion,
Tetsu Iwatsuki and Noriyuki Oda. -- HTML (condensed article with further files), PDF (full article)

12. A Basic Data Logger for Recording a Bicycle's Wheel Rotation,
John Snyder. -- HTML (article)

articles

11. Power levels during stair climbing,
Theo Schmidt. -- HTML (article)

10. Determination of Cycling Speed Using a Closed-form Solution from Nonlinear Dynamic Equations,
Junghsen Lieh. -- HTML (condensed article with further files), PDF (full article)

articles

9. Analysis and Visualisation of Data Collected from Human-Electric Hybrid Bicycle-Tests,
Andreas Fuchs. -- HTML (article)

8. On Measuring Airspeed on a Bicycle,
Julian Gordon. -- HTML (article)

articles

7. Resistance on Snow or Ice,
Theo Schmidt. -- HTML (article)

6. Ventilation of Streamlined HPVs,
John Nobile. -- HTML (article)

5. Determination of Drag Parameters Utilizing a Bicycle Power Meter,
John Snyder and Theo Schmidt. -- HTML (article),  XLS (spreadsheet)

4. Numerically Controlled Routing,
Stephen Nurse. -- HTML (article), PDF (drawing), DXF (CAD file)

3. Human Powered Juice Making,
Theo Schmidt. -- HTML (article)

2. The Ventilation of Streamlined Human Powered Vehicles,
Ben Wichers Schreur. -- HTML (condensed article), PDF (full article), XLS (spreadsheet)

1. Algebraic Determination of Land HPV Velocity,
John Snyder. -- HTML (article), XLS (spreadsheet)

from the editors

The Launch of HPeJ -- HTML (article)