revolving_kiel_bulb_onder_water
yipster

yipster: revolving_kiel_bulb_onder_water

revolving wingbulb keel

Posted by: yipster - website: http://members.chello.nl/jadressh/

yipster, Jan 31, 2006
    • yipster
      normal long keel with foilshaped half bulb that axialy can rotate 180 degree (shown at 90) providing dynamic lateral lift still to be calculated
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