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#1
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Slick wrote:
Can someone elaborate on the formula GAG=GAA(airspeed +/- wind)/airspeed I'm a little confused on what GAA is and if it's just a constant number. I kind of derived it as being 30 degrees as a constant target of angle you want to the touchdown point (?). it works for Tom Knauff's calculation in his book with 50mph a/s and 30 mph headwind, and using 30 for GAA. but when I reduce it to a 5 mph headwind the resultant doesn't come within the cone. Am I missing something here? ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- You're making it way too hard. Just set your flight computer to 0 altitude at the threshold. "Call the ball" and follow the needles. There's no actual need to look outside anymore. This being R.A.S., it's sad but true that it's necessary to point out the above was sarcasm. |
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#2
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Check out the following link. It's a tutorial on TLAR that our Chief
CFIG put together for our pilots in an effort to get our heads out of our "cockpits". http://www.soarelsinore.org/tlar.htm FC Norton Lake Elsinore Soaring Club David Kinsell wrote: Slick wrote: Can someone elaborate on the formula GAG=GAA(airspeed +/- wind)/airspeed I'm a little confused on what GAA is and if it's just a constant number. I kind of derived it as being 30 degrees as a constant target of angle you want to the touchdown point (?). it works for Tom Knauff's calculation in his book with 50mph a/s and 30 mph headwind, and using 30 for GAA. but when I reduce it to a 5 mph headwind the resultant doesn't come within the cone. Am I missing something here? ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- You're making it way too hard. Just set your flight computer to 0 altitude at the threshold. "Call the ball" and follow the needles. There's no actual need to look outside anymore. This being R.A.S., it's sad but true that it's necessary to point out the above was sarcasm. |
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