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Subject: Re: Are you suggesting coconuts don't migrate? | |
Author: Pathfinder |
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Date Posted: 14:50:15 08/05/05 Fri In reply to: Pathfinder 's message, "Re: Are you suggesting coconuts don't migrate?" on 14:48:23 08/05/05 Fri It's not a matter of weight ratio. >>But the real question is if they were African Swallows >>or European Swallows and if they were laden or not. >> >>ak >> >>>Using a fishing line testor that measures ft lbs of >>>torque down to .0001 ft lbs and dragging 2 models of >>>kayaks across a 45' pool in Ada, Michigan (using a >>>adjustable speed electric drill to keep a consistent >>>pull on the line). With the rudder up and rudder >>>down, we found that the MYTH of RUDDERS CREATING DRAG >>>is soooooo BUSTED. BUSTED like nobody's business. >>>With the rudder fully engaged and dragging at 4 MPH, >>>it added only .023 ft lbs of torque compared to >>>dragging a yak by with rudder up. THat is equivalent >>>to pushing a penny across a table of ice. >>> >>>Then we turned the kayaks at the same rate by fully >>>engaging the rudder with 3 tests then leaning the >>>kayak with ballast to make a turn (3 times), and we >>>found that the drag was more for the kayak turned by >>>leaning it with ballast (Current Designs and >>>Perception Captiva). >>> >>>Urban legend!! Those of you who claim rudders create >>>drag can join the believers of a scuba diver being >>>sucked up by aircraft fire fighting equipment. >>> >>>I'm sure our resident scientist will want to recreate >>>the test, but so far, the MYTH IS BUSTED. >>> >>>>;-} >>>Pathfinder [ Next Thread | Previous Thread | Next Message | Previous Message ] |
Subject | Author | Date |
Re: Are you suggesting coconuts don't migrate? | Wapiti | 09:50:56 08/06/05 Sat |
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