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Search: Posts Made By: zzuf
Showing results 1 to 35 of 192
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Forum: Aviation History and Nostalgia
9th Apr 2024, 08:30
Replies: 56
Views: 29,128
Posted By zzuf

During my 1970 ETPS course "incidence" and angle...

During my 1970 ETPS course "incidence" and angle of attack were used interchangeably, particularly so during aerodynamics and stability and control lectures. We all knew what was meant, in a long...
Forum: Tech Log
14th Jan 2024, 06:57
Replies: 19
Views: 2,511
Posted By zzuf

Sorry to disappoint JT - it wasn't for the lack...

Sorry to disappoint JT - it wasn't for the lack of trying. As you know, I must have done a few hundred high crosswind, narrow runway takeoff tests, in more than a dozen aircraft types. Probably...
Forum: Tech Log
13th Jan 2024, 11:04
Replies: 19
Views: 2,511
Posted By zzuf

A handling characteristic noted in original HS125...

A handling characteristic noted in original HS125 AFM. With description - never personally noticed one any aircraft type.
Forum: Tech Log
13th Jan 2024, 05:30
Replies: 19
Views: 2,511
Posted By zzuf

Is the directional static stability, on the...

Is the directional static stability, on the ground, tending to rotate the aircraft around the mainwheel contact patch rather than the CG. The larger area ahead of the stability rotation point gets...
Forum: Military Aviation
26th Apr 2023, 08:01
Replies: 141
Views: 26,309
Posted By zzuf

Three quarters of a life time ago I found myself...

Three quarters of a life time ago I found myself crewing a RAAF Dakota on a most circuitous route between Butterworth Malaysia and East Sale Victoria Oz. We departed Davao, Mindanao for Koror, Palau...
Forum: Australia, New Zealand & the Pacific
14th Jan 2023, 01:19
Replies: 29
Views: 9,356
Posted By zzuf

https://www.boeing.com/commercial/aeromagazine/art...

https://www.boeing.com/commercial/aeromagazine/articles/qtr_3_07/article_03_3.html
Forum: Australia, New Zealand & the Pacific
13th Jan 2023, 22:50
Replies: 29
Views: 9,356
Posted By zzuf

FAR 25 maximum design descent rate for landing at...

FAR 25 maximum design descent rate for landing at MLW is 10ft/sec, at MTOW it is 6ft/sec.
Forum: Australia, New Zealand & the Pacific
13th Jan 2023, 04:00
Replies: 29
Views: 9,356
Posted By zzuf

The requirement for fuel jettison capability has...

The requirement for fuel jettison capability has nothing to do with the concepts MTOW and MLW, and everything to do with climb performance at MTOW less a bit for fuel burn specified in FAR25.1001.
Forum: Military Aviation
20th Oct 2022, 12:41
Replies: 335
Views: 86,008
Posted By zzuf

The question should not be about the rights or...

The question should not be about the rights or wrongs of comparatively lowly ranked officers selling their skills to a foreign power. It should be about those in government, politics, industry,...
Forum: Military Aviation
19th Oct 2022, 09:18
Replies: 335
Views: 86,008
Posted By zzuf

Of course $100 billion of mineral export trade...

Of course $100 billion of mineral export trade can be easily stopped.
Forum: Military Aviation
19th Oct 2022, 07:03
Replies: 335
Views: 86,008
Posted By zzuf

Meanwhile in Australia we export millions of...

Meanwhile in Australia we export millions of tonnes of coal and iron ore to China. I am sure this would make a greater contribution to the military machine than that of a few handfuls of retired fast...
Forum: Rumours & News
15th May 2022, 02:51
Replies: 82
Views: 44,983
Posted By zzuf

Ahh JT, now don't spoil the illusion by posting...

Ahh JT, now don't spoil the illusion by posting pics of my hauling, a one engine inoperative, DC9 off the edge of the runway at Avalon to avoid the grass - during those crosswind, engine failure...
Forum: Rumours & News
12th May 2022, 11:15
Replies: 82
Views: 44,983
Posted By zzuf

Hi JT along the same lines, years ago flying an...

Hi JT along the same lines, years ago flying an ETPS Viscount out of Boscombe down to Hurn, with a RAF flight engineer in the RHS ( he was there because I knew nothing about the aircraft systems...
Forum: Rumours & News
12th May 2022, 09:19
Replies: 82
Views: 44,983
Posted By zzuf

Gums, with your background you would sort it out...

Gums, with your background you would sort it out even without outside help. Don't need any FMC stuff in a radar environment. The A320/B737 would just be another type for you. They were designed for...
Forum: Australia, New Zealand & the Pacific
30th Jan 2022, 04:19
Replies: 264
Views: 31,649
Posted By zzuf

Loyalty to flags mostly escapes me. Recently,...

Loyalty to flags mostly escapes me.
Recently, the most commonly seen flag in Melbourne was that of Serbia. But not a lot of Serbian flags on Oz day.
Forum: Australia, New Zealand & the Pacific
29th Jan 2022, 10:07
Replies: 264
Views: 31,649
Posted By zzuf

True, faithfully recorded in thousands of years...

True, faithfully recorded in thousands of years of written aboriginal history along with aboriginal aerodynamics texts.
Forum: The Pacific: General Aviation & Questions
28th Dec 2021, 09:58
Replies: 21
Views: 5,225
Posted By zzuf

I thought that sailing a maxi without an...

I thought that sailing a maxi without an operating engine would be difficult - water ballast pumps, hydraulics for winches, canting keel etc.
Forum: Tech Log
29th Oct 2021, 01:00
Replies: 49
Views: 10,795
Posted By zzuf

I don't think it can be figured out before an...

I don't think it can be figured out before an accurate sideslip angle for the noted symptoms is given.
Forum: Military Aviation
28th Oct 2021, 07:52
Replies: 47
Views: 14,355
Posted By zzuf

Yes, that accident crossed my mind almost every...

Yes, that accident crossed my mind almost every time I lined up a Vampire, Sabre, Canberra on any Laverton runway - Macchi no problem.
Forum: Military Aviation
28th Oct 2021, 06:37
Replies: 47
Views: 14,355
Posted By zzuf

Hi SpazSinbad. The vibrations within the...

Hi SpazSinbad. The vibrations within the restricted RPM ranges were not physically detectable by the pilot. The "dual only" aircraft were known as "growlers" - often very loud growling noises. I...
Forum: Military Aviation
28th Oct 2021, 05:11
Replies: 47
Views: 14,355
Posted By zzuf

The avoid RPM ranges (except for passing through)...

The avoid RPM ranges (except for passing through) were; 7800 to 8650, 8800 to 9200, 10350 to 10650. These ranges were not hard to avoid as there were no operational or performance reason to set a...
Forum: Military Aviation
29th Sep 2021, 05:52
Replies: 30
Views: 11,531
Posted By zzuf

The pic of Laverton brings back memories. ...

The pic of Laverton brings back memories. Operating ARDU Canberras and Sabres from there was fun.
Forum: Military Aviation
29th Sep 2021, 05:47
Replies: 30
Views: 11,531
Posted By zzuf

Corporal stripes 1500 feet to run (or behind you).

Corporal stripes 1500 feet to run (or behind you).
Forum: Tech Log
24th May 2021, 11:38
Replies: 37
Views: 9,542
Posted By zzuf

Flight Detent, don't get carried away with engine...

Flight Detent, don't get carried away with engine out - it is not required in this case, just use a bit of rudder to induce sideslip and set a bank angle for zero yaw rate.Take just a minute or two...
Forum: Tech Log
24th May 2021, 09:29
Replies: 37
Views: 9,542
Posted By zzuf

washoutt Don't understand this comment. What...

washoutt

Don't understand this comment. What manoeuvre should the OP look for in the AFM? Steady heading sideslip? Won't be there. But for example, the steady heading sideslip component of a...
Forum: Military Aviation
24th May 2021, 07:39
Replies: 5
Views: 1,354
Posted By zzuf

Thanks Jonkster, similar idea. The turns were...

Thanks Jonkster, similar idea. The turns were 270 degrees (I think) with descent, or climb and roll out on required heading at the same time as hitting the target altitude.
Pretty well just a...
Forum: Tech Log
24th May 2021, 07:00
Replies: 37
Views: 9,542
Posted By zzuf

Transport category aircraft, it is certificated...

Transport category aircraft, it is certificated for full rudder sideslips at speeds up to Vmo/Mmo. Either pilot rudder force limited or maximum rudder angle that the flight control system will reach....
Forum: Military Aviation
24th May 2021, 06:21
Replies: 5
Views: 1,354
Posted By zzuf

Pattern B was upper airwork, not an instrument...

Pattern B was upper airwork, not an instrument descent. It was a significant part of upper air training when I was a student at BFTS 1961. Funny, don't recall it when I did the instructor course at...
Forum: Military Aviation
24th May 2021, 02:58
Replies: 5
Views: 1,354
Posted By zzuf

RAAF Winjeel Instrument Flight Training Pattern B

Wondering if anyone can help with a copy or scan of the "pattern B" sequence which was used during instrument flying training in RAAF Winjeels.
The basic pattern included straight legs and turns as...
Forum: Flying Instructors & Examiners
13th Apr 2021, 11:28
Replies: 5
Views: 791
Posted By zzuf

kshsim, are you expecting bank angle hold in ALTN...

kshsim, are you expecting bank angle hold in ALTN LAW? If it is rolling, use some rudder trim to induce enough sideslip to counter the residual rolling moment. Not elegant but there is no pilot...
Forum: Tech Log
17th Jan 2021, 01:09
Replies: 114
Views: 28,036
Posted By zzuf

Gums, F102, I think I have your pic!! High over...

Gums, F102, I think I have your pic!! High over Thailand 6Jul1964, probably 100 miles or so north of Korat.
Courtesy RAAF Avon Sabre and A4 radar gunsight. Concede a gun splash??? Ha Ha good old...
Forum: Tech Log
16th Jan 2021, 10:27
Replies: 114
Views: 28,036
Posted By zzuf

Gums I enjoy your posts and as FlightDetent says...

Gums I enjoy your posts and as FlightDetent says this is probably not the place for flight control discussions except for MACS but....
1. A320 has spring feel for artificial feel as in F86 without...
Forum: Private Flying
11th Sep 2020, 05:37
Replies: 49
Views: 11,287
Posted By zzuf

Mmmm.... Va is a design speed, it does not vary...

Mmmm....
Va is a design speed, it does not vary with weight. The only time Va has any relationship to stalling in FAR 23 is if Va is chosen to be Va min.
I am aware of many aircraft manuals giving...
Forum: Rumours & News
4th Jul 2019, 08:42
Replies: 4,656
Views: 4,778,998
Posted By zzuf

Must say have suspicion about Yoko1 after a brief...

Must say have suspicion about Yoko1 after a brief exchange.
Posts 630, 632, and 657.
He was quoting the static stability requirements of FAR25 in some detail, after stating that there are two types...
Forum: Rumours & News
26th Jun 2019, 07:10
Replies: 4,656
Views: 4,778,998
Posted By zzuf

Great post!

Great post!
Showing results 1 to 35 of 192
 
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