John Heddles
@john-heddles
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Joined: May 14, 2016
Last seen: Jan 21, 2026
Topics: 2 / Replies: 951
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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...

8 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...

8 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 ...

8 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...

8 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...

8 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 ...

8 years ago
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Vso

Some comments on Va in the other thread ..

8 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...

8 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...

8 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] ...

8 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...

8 years ago
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Answer Discrepancy

[color=blue][i][b]I'm still looking for a dip-stick that is calibrated to tenths of litres[/b][/i][/color] Please do permit me to tell a related ta...

8 years ago
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Vso

[color=blue][i][b]what is your take on the Va question[/b][/i][/color] Again, you are trapping yourself within the "simplified" pilot training stor...

8 years ago
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Answer Discrepancy

[color=blue][b][i]the echo is in fact a completely unrealistic aircraft[/i][/b][/color] Not at all unrealistic .. why do you assert so ? [color=...

8 years ago
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Vso

There are lots of strange quasi-definitions around regarding aspects of certification. Usually, this is a well-intentioned aim to make things a litt...

8 years ago
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