ABC
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15/02/2015Uphill or downhill take-off?
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0 wind 0 slope ground roll500Is it better to take-off uphill with a headwind or to take-off downhill with a tailwind? Fill in the fields to the left and then click on the "Results" tab (at bottom of page) to find out. Do not specify slopes greater than 4% or the calculations will be even more unreliable than you should take them to be.
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lift off speed55Use the same units for the wind speed and the lift off speed.
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slope %4The distances displayed are in the same units used as when specifying the normal ground roll.
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wind component down the slope10Note that this is ground roll only!
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And remember to consider the slope of the surrounding terrain when taking off up hill.
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