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Subject: Re: Kayak Myth Busted | |
Author: magellan |
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Date Posted: 09:54:47 08/05/05 Fri In reply to: Pathfinder 's message, "Kayak Myth Busted" on 17:32:22 08/03/05 Wed 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? | Pathfinder | 14:48:23 08/05/05 Fri |
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