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#1
January 15th 16, 09:15 AM
posted to rec.aviation.soaring
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Dick's Waves
When I refinished my wings did I try to correlate Johnssons waviness too surface roughness values (https://en.wikipedia.org/wiki/Surface_roughness) as I have access to that kind of measuring devices. But I never got it, surface waviness (https://en.wikipedia.org/wiki/Waviness) is something else.
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#2
January 18th 16, 03:55 AM
posted to rec.aviation.soaring
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Dick's Waves
Another way to find divots and bumps and such is to shine a bright flashlight across the surface. Hold the flash light next to the surface, at almost 90 degrees. Those formerly invisible holes, scratches, bumps and divots will jump out at you.
John
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