John Heddles
@john-heddles
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Joined: May 14, 2016
Last seen: Jun 12, 2026
Topics: 2 / Replies: 963
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Wake Turbulence question in exam.

These sorts of questions are always a problem as the subject is not cut and dried but flavoured with many subtle variations. So, for instance, we ne...

3 years ago
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Turbocharged

For a given aircraft/engine combination, best range will be approximated by operating at full throttle height for the target power setting which comes...

3 years ago
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Weight Shift Formulae (p.173 & p.190)

OK, let's have a look at what your posts say at the moment. Please don't change the posts - if you want to do that, leave the original post(s) and w...

3 years ago
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Weight Shift Formulae (p.173 & p.190)

[color=blue]For forward limit problems, the CG envelope graph should be used. For aft limit problems, the flow chart method (shown above) should be u...

3 years ago
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Forces acting

Note the correction - [color=blue]In level flight with[/color][color=red]OUT[/color] [color=blue]any acceleration or decelerating. Lift is = to wei...

3 years ago
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[Update 2] Min Weight Added/ Removed (Ex. 5.13, No. 6-7) (NEW: Review Q Set 2)

[color=blue]since this is an aft limit problem (because CG of aux tanks 2800 are behind the aft limit of the aircraft 2680)[/color] Careful, I thin...

3 years ago
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Forces acting

It can get a bit confusing. The way we approach figuring force balances is to look at all the forces which are acting on the object under consi...

3 years ago
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Weight Shift Formulae (p.173 & p.190)

There are provisions for limited citing of text within the copyright rules so I wouldn't fuss too much.

3 years ago
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[Updated] Minimum Weight to be Added/ Removed (Ex. 5.13, No. 6-7)

[color=blue]For loading problem involving a forward limit, with aircraft weight BELOW 2360 kg (i.e. the forward limit does NOT change with weight), do...

3 years ago
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Weight Shift Formulae (p.173 & p.190)

Please don't continually rewrite your posts. It makes following the thrust of the thread near impossible for the reader. If you see the need to ma...

3 years ago
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Confusion

Given that we are unable to see if the copies are identical, perhaps you can post a scan of the (presumably) couple of pages which contain the materia...

3 years ago
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Some Aero Stuff

Some of your questions are not entirely clear to me but let's give it a go, shall we ? [color=blue]For a horn balance on an elevator, where the pil...

3 years ago
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Landing / take-off charts and wind

Having a look, now. [color=blue]The headwind component is 18[/color] First, can you have a look, again, at the wind components ?

3 years ago
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Clearing Obstacle

I'm not quite sure where your 347 comes from ? However, the question is ill-considered and a bit silly. It appears that the writer of the question...

3 years ago
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Landing / take-off charts and wind

I'll have a look at the working later today when I am near a printer so that I can play with the graphics more easily. However, there is one major ...

3 years ago
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