OGE Calculation
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Well they're pretty much straight lines, so the tool you need is linear interpolation. You'll need to choose a temperature line first, and then calculate how far you are along the weight line. Apply the same percentage to the range of pressure altitude and voila ! At higher weights and temperatures there are some kinks in the graphs so you're going to have to put some checks in for that.
Hope that helps.
Hope that helps.
Last edited by puntosaurus; 9th May 2011 at 04:43. Reason: Add link