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B733 Classic Anti Ice Fuel penalty

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B733 Classic Anti Ice Fuel penalty

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Old 1st Aug 2007, 04:44
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B733 Classic Anti Ice Fuel penalty

Does anyone know any references that give the actual fuel flows with engine and/or wing anti ice on compared to normal (ie off).
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Old 1st Aug 2007, 05:04
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FPPM says

Increase total fuel flow during cruise approximately 150
lb/hr for engine anti-ice on or 400 lb/hr for engine and
wing anti-ice on.
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Old 1st Aug 2007, 06:31
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Hi

For a B722 using JT8D-17 and D-17R engines, AFM vol 1 states
1- engine A/ice only....240 kg/hr(approx 528 lbs/hr)
2- engine&wing anti-ice....420 kgs/hr(approx 924 lbs/hr
for both engines

regards
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Old 9th Aug 2007, 21:50
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Engine anti-ice burns 90Kkg per hour, engine and wing anti-ice burns 250kg per hour.
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