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Forum: ATC Issues

27th Dec 2012, 23:39

Replies: 14

Fuel consumption question: holding vs reducing speed

Views: 7,632

Posted By Philthy

Bob, In my post above, I probably should...

Bob,

In my post above, I probably should have put the first two points in reverse order. Slow to Vmd first, then drop down to FL250. There is an additional saving here from the recovery of...

Forum: ATC Issues

22nd Dec 2012, 21:45

Replies: 14

Fuel consumption question: holding vs reducing speed

Views: 7,632

Posted By Philthy

Well, following some enquiries and discussion in...

Well, following some enquiries and discussion in another part of the forum it turns out that the best level for minimum fuel consumption at green dot/Vmd/holding speed is around FL250 for most jets....

Forum: ATC Issues

13th Dec 2012, 05:53

Replies: 14

Fuel consumption question: holding vs reducing speed

Views: 7,632

Posted By Philthy

Jeepers! Leaving aside engine factors for...

Jeepers!

Leaving aside engine factors for the moment (about which I know little :}), lowest fuel consumption occurs by definition at the speed for best L/D ratio, Vmd (min drag). This is commonly...

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