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Aspect Ratio?

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Old 07-21-2010, 09:35 PM
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mikegordon10
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Default Aspect Ratio?

What is it and what number range would be considered to be high?
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Old 07-21-2010, 09:44 PM
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Lnewqban
 
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Default RE: Aspect Ratio?

Copied from http://adamone.rchomepage.com/index3.htm:

"Aspect Ratio is a measure of how long and slender a wing is from tip to tip.
The Aspect Ratio of a wing is defined to be the square of the span divided by the wing area and is given the symbol AR.
The formula is simplified for a rectangular wing, as being the ratio of the span to the chord length."

Sport models: AR = 5 ~ 7

Sailplanes: AR = 15 ~ 20
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