Original Posted By: "Douwe Blumberg"
P.F. Beck installed VG's on his and noted slight improvements, but probablynot enough to make it worth the effort. I have a set but after talking withhim decided I'm fine without."shark's teeth" is probably doing a similar job to "vortelators", basicallydecreasing the size of the wake, hence requiring less force to move thewing/propeller through the air, thus allowing a wind turbine to move in lesswind, or an engine to use less power to spin a prop at the same speed aswithout. That's the theory. I installed vortelator tape on my prop and sawabout a 20rpm static increase, so I left it on. Every little bit helps.Douwe________________________________________________________________________________
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