Subject: [harryproa] 15 micron finish |
From: "Peter Raymond pramsec1@tpg.com.au [harryproa]" <harryproa@yahoogroups.com.au> |
Date: 9/7/2016, 6:03 PM |
To: harryproa@yahoogroups.com.au |
Reply-to: harryproa@yahoogroups.com.au |
This may throw some light on it.
http://www.nasa.gov/centers/langley/news/factsheets/Riblets.html
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