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Wing semi span

  1. Feb 26, 2014 #1
    I need to calculate the increase in drag due to an airbrake, however the formula includes "semi span". I'm unsure if this is simply wing span/2 or is it the length of a wing in which case it would be (wing span - fuse width)/2. Any help would be good.
  2. jcsd
  3. Mar 4, 2014 #2
    Semi span is half the wing span.
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