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Subject: Re: Are you suggesting coconuts don't migrate? | |
Author: Pathfinder |
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Date Posted: 14:48:23 08/05/05 Fri In reply to: magellan 's message, "Re: Kayak Myth Busted" on 09:54:47 08/05/05 Fri >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 | 14:50:15 08/05/05 Fri |
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