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#1
February 24th 14, 02:26 PM
posted to rec.aviation.soaring
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A polar calculation question for you number crunching enthusiastsout there
On Monday, February 24, 2014 5:15:14 AM UTC-8, ES wrote:
I'm using SeeYou Mobile with an LXNAV V7. Both take polars in the same form: stall speed, A, B, and C coefficients, min (wing) loading, min weight, max weight, empty weight, and pilot weight. I'm also confused about the weights. If "pilot weight" is provided, then I can only assume "empty weight" means just the glider without the stick actuator, but why would the computer care about that? Why not just "dry take-off weight"? Hmmm... Do they have provision for different pilot profiles to fly the glider? 
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#2
February 24th 14, 03:58 PM
posted to rec.aviation.soaring
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A polar calculation question for you number crunching enthusiastsout there
You could also throw Dick Johnson's polar test data into an Excel spreadsheet and do a curve fit - that might be a good starting point.
Mike
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