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Forum: Tech Log

10th Apr 2006, 01:42

Replies: 33

2 engine vs. 4 engine fuel burn

Views: 10,324

Posted By False Capture

It's a bit unfair comparing the fuel burn of a...

It's a bit unfair comparing the fuel burn of a B747-400 with that of a B777-200. The B777 engines (being more modern in design) are far more efficient than the comparatively older engines on a B747....

Forum: Tech Log

9th Apr 2006, 16:24

Replies: 33

2 engine vs. 4 engine fuel burn

Views: 10,324

Posted By False Capture

jai6638, because the "minimum requirements" to...

jai6638, because the "minimum requirements" to which Old Smokey refers are based on one engine being inoperative.

Forum: Tech Log

9th Apr 2006, 07:18

Replies: 33

2 engine vs. 4 engine fuel burn

Views: 10,324

Posted By False Capture

Bolty, A B777-200 operating with 280pax on a...

Bolty,

A B777-200 operating with 280pax on a 7hr45min sector would burn about 51,000kg. Depending on alternates etc., total fuel would be in the order of 58,000kg to 60,000kg.

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