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John Heddles
@john-heddles
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Joined: May 14, 2016
Last seen: Oct 29, 2026
Topics: 2 / Replies: 988
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Question about flight fuel

Fuel is one of (a) flight (and diversion) fuel - ie what you expect you might use. Time to the alternate is irrelevant to the considerations (b) ...

9 years ago
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Avery

I think, perhaps, both you and other students will get better value out of this question if you include your solutions. That way, we can work through...

9 years ago
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Performance

My apologies - I misunderstood your first post to be referring to ISA deviations. Suggest you rework your calculations starting with pressure height...

9 years ago
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Performance

Quick question - can you check for a typo - is the summer deviation intended to be +17 ? Either way, the summer case is the more critical for perfo...

9 years ago
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Performance

I don't know of anyone who has put the equations into Excel but I have no doubt that some of the present Industry engineering consultants will have do...

9 years ago
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Va

It appears that the thread is doomed to a continual going around in circles. Suffice it to say - (a) Va is an engineering design limit and not r...

9 years ago
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Va

[color=blue][i][b]Does that mean that you *are* saying that Va decreasing with decreasing weight is not about protecting the wing spar? Which is what ...

9 years ago
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Va

I think you are getting to a straw man argument, here. Kershner was an acknowledged skillful pilot and instructor but he was not, so far as I am awa...

9 years ago
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Va

You really are getting to the point of being a little silly in your persistence with things not of much relevance to the discussion ... [b][color=b...

9 years ago
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Va

[color=blue][i][b]how is the force on the main spar increased? Hence, Va decreasing is not to do with protecting the wing.[/b][/i][/color] I make ...

9 years ago
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Vso

Some comments on Va in the other thread ..

9 years ago
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Vso

Another point I overlooked first time around. You made a comment earlier[color=blue][i] .. says that the Vso is 32 kts. Page 20 says to do a short f...

9 years ago
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Vso

[color=blue][b][i]Respect for one's betters can be viewed as one cause of the Tenerife disaster[/i][/b][/color] I think you need to read up a bit m...

9 years ago
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Vso

[color=blue][i][b]By attempting to pick holes in them, and getting egg on my face, I have learnt valuable stuff about definitions.[/b][/i][/color] ...

9 years ago
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Va

First, I'll offer a few comments on previous posts, and then Va and, finally, we can have a look at why one should reduce Va at weights below the maxi...

9 years ago
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