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OGE Calculation

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OGE Calculation

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Old 8th May 2011, 19:31
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OGE Calculation

Hi Guys,
Does anyone know how to calculate the OGE graph mathematically for the Robinson R22 and R44 helicopters?
Cheers
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Old 8th May 2011, 20:45
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puntosaurus
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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.

Last edited by puntosaurus; 9th May 2011 at 04:43. Reason: Add link
 

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