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Thread: weight reduction versus fuel saving formula?
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Old 13th April 2007 | 21:22
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CaptainSandL
 
Joined: Nov 2003
Posts: 496
Likes: 12
From: UK
Very approximately…

Trip Fuel Reduction = Weight reduction x Flight time in hrs x 3.5%
Daily Trip Fuel Reduction = 100kg x 10hrs x 3.5% = 35kg/day
Annual TFR = 35kg * 350days = 12,250kg

Given a 25 year lifespan = 306,250kg
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