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J.H. Hagedoorn – inventing the Hapa: A review of a geophysicist's ‘other’ work and how it inspired othersNormal access

Author: Theodor Schmidt
Journal name: Geophysical Prospecting
Issue: Vol 49, No 6, November 2001 pp. 735 - 745
DOI: 10.1046/j.1365-2478.2001.00296.x
Organisations: Wiley
Special topic: Special Issue in memory of J.G. Hagedoorn
Language: English
Info: Article, PDF ( 1.8Mb )

Summary:
This paper describes J.G. Hagedoorn's work on ‘ultimate sailing’– the combination of a manned kite and a water kite called a Hapa, constituting a minimal sailing system – and the way others have taken up his challenge to sail while suspended from a kite. Hagedoorn's goal has not been entirely achieved, but ‘near’ and partial solutions have been reached. Kite-Hapa-sailing continues to pose a ‘Holy Grail’ type challenge to many kite-sailors.


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