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27th Oct 2020, 07:12
Replies: 38
Views: 6,636
Posted By john_tullamarine

For those folks who don't know the last two...

For those folks who don't know the last two posters, I suggest that you heed their counsel well - both are longtime greybeards with a wealth of FT and certification background.

Sean Roberts'...
27th Oct 2020, 02:25
Replies: 38
Views: 6,636
Posted By john_tullamarine

Dave, I just relate the tale, as told by SR (who...

Dave, I just relate the tale, as told by SR (who was the instructor TP being entertained), in Sydney when the folk came out around the early 90s. It was just a sideline anecdote so there was not much...
27th Oct 2020, 00:22
Replies: 38
Views: 6,636
Posted By john_tullamarine

Just thinking that perhaps in some cases it would...

Just thinking that perhaps in some cases it would be how far into the stall you fly

One needs to be cognizant of the relevant requirements and what might have been done during the Type...
Forum: Questions
25th Oct 2020, 07:15
Replies: 5
Views: 524
Posted By john_tullamarine

Can someone explain how the coefficient of lift...

Can someone explain how the coefficient of lift can be greater than one.

Megan provided the equation. It's really just a matter of when the particular section plus high lift bits and pieces lets...
24th Oct 2020, 08:18
Replies: 27
Views: 3,504
Posted By john_tullamarine

Some thoughts, if I may be indulged a tad. ...

Some thoughts, if I may be indulged a tad.

The instructor had limited experience in multi-engine aeroplanes with retractable landing gear and only one short flight in the Angel 44 aircraft several...
14th Oct 2020, 01:45
Replies: 27
Views: 4,805
Posted By john_tullamarine

you’ve spotted the fundamental weakness in the...

you’ve spotted the fundamental weakness in the Turbo Encabulator design

Indeed, but I though it inappropriate to divert attention from the main discussion by highlighting it.

Giant Claw.

......
13th Oct 2020, 09:10
Replies: 27
Views: 4,805
Posted By john_tullamarine

Good Lord but I am learning fast from this...

Good Lord but I am learning fast from this thread. Consider me a regular and technically enthusiastic reader !
11th Oct 2020, 22:05
Replies: 27
Views: 4,805
Posted By john_tullamarine

.. and to think that I wasted all those years...

.. and to think that I wasted all those years reading up on the heavy techo side of things when simple explanations, such as conveyed in this thread, provide a far easier path to enlightenment .......
10th Oct 2020, 21:49
Replies: 81
Views: 28,259
Posted By john_tullamarine

The critical consideration, though, is that the...

The critical consideration, though, is that the OM loading system protocols must define, adequately, differences between, and procedures for, different models to avoid screw ups. How this might best...
10th Oct 2020, 09:26
Replies: 81
Views: 28,259
Posted By john_tullamarine

Interesting, we only have 3 zones for both 320...

Interesting, we only have 3 zones for both 320 (1-10, 11-20, 21-31] and 321 (1-10, 11-25, 26-39).

Entirely a matter for the operator and the weights engineering folks to determine how their...
10th Oct 2020, 08:04
Replies: 81
Views: 28,259
Posted By john_tullamarine

A couple of thoughts .. (a) This being the...

A couple of thoughts ..

(a) This being the case, the late reallocation of an A320 load to an A321 would have resulted in Zone D being empty.

Unless a trimsheet be designed to cover multiple...
9th Oct 2020, 10:06
Replies: 30
Views: 7,495
Posted By john_tullamarine

I haven't met Dick but, by all accounts, he is a...

I haven't met Dick but, by all accounts, he is a worthy enthusiast in our Industry. That this nonsense, with his purported support of such schemes, keeps assailing us from every side of the...
27th Sep 2020, 11:41
Replies: 81
Views: 20,784
Posted By john_tullamarine

Imagine your reaction if your car passenger leant...

Imagine your reaction if your car passenger leant over and switched the headlights or wipers on or off. Or adjusted the radio volume without asking.

Indeed, I used to drive with a passenger who...
7th Sep 2020, 01:01
Replies: 49
Views: 6,393
Posted By john_tullamarine

If the aircraft is lighter than gross weight, the...

If the aircraft is lighter than gross weight, the actual Vso is much lower than the book figure. In that case, on very short final, I will be bleeding off airspeed as I start to round out, and if I’m...
27th Aug 2020, 02:29
Replies: 46
Views: 7,919
Posted By john_tullamarine

In a previous life I had a lot to do with fabric...

In a previous life I had a lot to do with fabric materials flammability characteristics.

Leather is a good start but beware of decorative treatments, some of which are flammable.

Just about all...
23rd Aug 2020, 23:31
Replies: 23
Views: 8,896
Posted By john_tullamarine

Still itís comforting to know from past...

Still itís comforting to know from past experience that Syd ATC hasnít changed in 30 years!!

Back in the late 60s/early 70s it was rarely a problem to drop into SYD for a jolly. Obviously one...
23rd Aug 2020, 23:21
Replies: 1
Views: 2,138
Posted By john_tullamarine

Locked to avoid any problems which might arise...

Locked to avoid any problems which might arise from the odd redneck among our numbers - on either side of the historical table. Trust you are able to get back home soon, Captain Sherm.
19th Aug 2020, 03:43
Replies: 8
Views: 4,137
Posted By john_tullamarine

Caveat - I have no specific knowledge of the...

Caveat - I have no specific knowledge of the referenced matter.

Generally, an operator will run an NTO (No Technical Objection) request by the OEM before implementing a local protocol. If the...
Forum: Tech Log
19th Aug 2020, 03:35
Replies: 185
Views: 25,122
Posted By john_tullamarine

You missed the point of my comments, I fear. ...

You missed the point of my comments, I fear.

(a) it would have helped had you provided the qualifications in your last post in the body of the earlier post

(b) likewise, I have no engineering...
19th Aug 2020, 01:35
Replies: 1
Views: 662
Posted By john_tullamarine

The history has been discussed previously. ...

The history has been discussed previously.

When the Wallis Island strip was involved in a scheduled operation, years ago, there was a restriction on aerodromes, as I recall, within 10nm of a...
Forum: Tech Log
19th Aug 2020, 01:08
Replies: 185
Views: 25,122
Posted By john_tullamarine

Of course 'manual flying' increases workload....

Of course 'manual flying' increases workload. Autopilots were 'invented' to reduce workload. But the workload increases when the pilot(s) are out of practice with hand flying. What is the saying?...
18th Aug 2020, 01:25
Replies: 37
Views: 6,898
Posted By john_tullamarine

The Russian TU154 (their 727 category aeroplane) ...

The Russian TU154 (their 727 category aeroplane)

Now that brings back memories.

Many years ago, I headed off to Laos, via Bankok, to do a brief task with Lao Aviation. Transit via a 154M...
Forum: Tech Log
17th Aug 2020, 06:40
Replies: 185
Views: 25,122
Posted By john_tullamarine

Quite a fascinating thread. Caveats. I...

Quite a fascinating thread.

Caveats.

I have some experience in a number of sandpits but not the level of flying experience represented by many of our PPRuNe colleagues. As well, I came into...
Forum: Tech Log
10th Aug 2020, 08:42
Replies: 20
Views: 2,053
Posted By john_tullamarine

As best I can recall, this was when I joined...

As best I can recall, this was when I joined Ansett as a sprog on the F27. Some of the fleet were a tad primitive in the navaids department ... wandering off a little, do you have any knowledge of...
Forum: Tech Log
9th Aug 2020, 22:48
Replies: 20
Views: 2,053
Posted By john_tullamarine

... if my recall is not yet totally deranged ......

... if my recall is not yet totally deranged ... we used to be able to do a twin locator approach in Oz with one ADF. Start on the outer and then switch to the inner between the two. I don't know...
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