Sail-board speed embodying alternative underwater hull shapes - comprises two different underwater-hull-shape portions, one inverted on other

The windsurfing sailboard conventionally has a hull comprising an underwater- and a deck-portion, but the deck-portion (2) is configured as a second underwater portion designed for speeds and operating conditions differing from those for the first - e.g. one 'displacement', the other '...

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Bibliographic Details
Main Author JOACHIM MERKEL,REINER
Format Patent
LanguageEnglish
German
Published 27.05.1982
Subjects
EQUIPMENT FOR SHIPPING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
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Summary:The windsurfing sailboard conventionally has a hull comprising an underwater- and a deck-portion, but the deck-portion (2) is configured as a second underwater portion designed for speeds and operating conditions differing from those for the first - e.g. one 'displacement', the other 'planing'. The portions (2,3) are arranged bow-to-bow and stern-to-stern. Both have through-going mast-,dagger board (7)- and/or fin (8)- mounting arrangements allowing these to be fitted either way up, the latter two pref. in through-slots embodying a spring catch for multi-positioning.
Bibliography:Application Number: DE19803036299