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Search: Posts Made By: Another St Ivian
Showing results 1 to 35 of 214
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Forum: Military Aviation
29th Jun 2017, 09:23
Replies: 14
Views: 3,578
Posted By Another St Ivian

...only it isn't. All the fixed assets...

...only it isn't.


All the fixed assets (tooling, buildings, officers) depreciate on the balance sheet.
The operational costs of wages for staff, recurrent training, and all supporting...
Forum: Private Flying
5th Jun 2015, 11:44
Replies: 32
Views: 5,267
Posted By Another St Ivian

For big planes, typically anything much larger...

For big planes, typically anything much larger than mid-size business jet right through to 747/A380 size, there will exist a fairly healthy margin between the engine thrust/power needed to get...
Forum: Tech Log
10th Aug 2014, 18:16
Replies: 6
Views: 4,839
Posted By Another St Ivian

245 KIAS is a windshield birdstrike limitation. ...

245 KIAS is a windshield birdstrike limitation.

Beyond that...

286 KIAS @ 18000ft == Mach 0.599
275 KIAS @ 20000ft == Mach 0.599
248 KIAS @ 25000ft == Mach 0.599

Aviation Calculator...
Forum: Tech Log
24th Feb 2014, 22:21
Replies: 8
Views: 1,898
Posted By Another St Ivian

As alluded to above - the answer depends on the...

As alluded to above - the answer depends on the level at which you're looking at the problem.

At a pure hardware level, could a CRT, like those currently used in aircraft, be used to display...
Forum: Tech Log
14th Jan 2014, 16:18
Replies: 31
Views: 9,442
Posted By Another St Ivian

You'll find torque gauges in the C-130K/H models,...

You'll find torque gauges in the C-130K/H models, which present in inch-pounds...
Forum: Tech Log
8th Jan 2014, 15:31
Replies: 43
Views: 21,976
Posted By Another St Ivian

Tourist: I will caveat this reply by saying...

Tourist:

I will caveat this reply by saying that I am not privy to any inside knowledge on the A320, however I am approaching this from a large-aircraft performance flight testing background.
...
Forum: Flight Testing
24th Jun 2013, 11:41
Replies: 19
Views: 14,963
Posted By Another St Ivian

It tends to be a shortage of suitable graduates...

It tends to be a shortage of suitable graduates...
Forum: Tech Log
12th Apr 2013, 11:24
Replies: 6
Views: 3,598
Posted By Another St Ivian

Just picking up on a minor point there -...

Just picking up on a minor point there - Turbulence can excite certain modes, however in normal operations the aircraft is operated at speeds where those modes are positively damped.

FCeng84 may...
Forum: Private Flying
11th Apr 2013, 06:53
Replies: 3
Views: 1,327
Posted By Another St Ivian

I was awarded a GAPAN scholarship a number of...

I was awarded a GAPAN scholarship a number of years ago (...lawks, feel old reflecting on that now!).

Anyway, first off - relax. They're not their to examine you. You will likely meet with three...
Forum: Tech Log
10th Apr 2013, 19:51
Replies: 6
Views: 3,598
Posted By Another St Ivian

As per JF's message, in short...the answer is no,...

As per JF's message, in short...the answer is no, there should be no flutter.

Consider the traditional velocity-damping graph:

http://i.imgur.com/2BNtM4m.png

Provided that the airspeed is...
Forum: Tech Log
2nd Nov 2012, 09:34
Replies: 19
Views: 3,335
Posted By Another St Ivian

What this really comes down to is a relationship...

What this really comes down to is a relationship around a concept known as the solidity ratio.

The solidity of a propeller system is effectively a ratio of the frontal area of the propeller blades...
Forum: Private Flying
1st Nov 2012, 13:15
Replies: 8
Views: 1,770
Posted By Another St Ivian

Couple of thoughts... I’m personally a bit...

Couple of thoughts...

I’m personally a bit wary of these degree + PPL courses. Having a PPL doesn’t make really make you a more attractive employment prospect to an engineering company. Some...
Forum: Military Aviation
29th Oct 2012, 14:07
Replies: 21
Views: 7,207
Posted By Another St Ivian

I won't, but I wouldn't be surprised if BAE's...

I won't, but I wouldn't be surprised if BAE's legal beagles might be sending a missive your direction sometime soon...!
Forum: Private Flying
25th Oct 2012, 15:13
Replies: 13
Views: 1,697
Posted By Another St Ivian

Quite right - Thank you for picking that up. A...

Quite right - Thank you for picking that up. A swift edit has been made!
Forum: Private Flying
25th Oct 2012, 10:50
Replies: 13
Views: 1,697
Posted By Another St Ivian

If you're painfully curious and want to know the...

If you're painfully curious and want to know the textbook answer, most of the aircraft we fly are certified originally to an FAA Part 23 basis, for which the definition of the design speeds can be...
Forum: Private Flying
29th Aug 2012, 13:43
Replies: 5
Views: 1,143
Posted By Another St Ivian

Sam, You'd need to ask Avidyne if any of...

Sam,

You'd need to ask Avidyne if any of their equipment is the subject of ITAR restrictions (Google it).

It's probably reasonable to assume they aren't however, as if they were, Avidyne would...
Forum: Tech Log
30th May 2012, 21:42
Replies: 41
Views: 9,267
Posted By Another St Ivian

Actually, that's where the whole affair becomes...

Actually, that's where the whole affair becomes rather unpalatable as a business proposition.

Just because your modification passes the regulatory hurdles and gains approval, it doesn't mean the...
Forum: Tech Log
30th May 2012, 11:34
Replies: 41
Views: 9,267
Posted By Another St Ivian

Lyman: I think I see what you're trying to get at...

Lyman: I think I see what you're trying to get at with your questioning.

When an organisation applies for, and is granted, an STC by the FAA/EASA/etc, they effectively 'own' that modification. If...
Forum: Private Flying
26th Mar 2012, 19:34
Replies: 3
Views: 780
Posted By Another St Ivian

Good work, excellent idea. I got a major...

Good work, excellent idea.

I got a major headstart in aviation thanks to a scholarship from GAPAN. Fingers crossed that in years to come, I can give back what I got out of it! :ok:

I shall...
Forum: Military Aviation
18th Aug 2011, 11:24
Replies: 6
Views: 2,093
Posted By Another St Ivian

There must have been an acute concentration of...

There must have been an acute concentration of PPRuNers out last night...I pulled over just outside of Boxworth to watch the approach to landing. Very good show it was too!
Forum: Rotorheads
13th Jul 2011, 13:01
Replies: 6
Views: 1,667
Posted By Another St Ivian

Long Line Task in the UK

Afternoon rotorheads,

Are there any UK operators who are in a position to undertake some moderately unusual long-lining towards the latter part of this year? Along the lines of a dangling science...
Forum: Military Aviation
3rd Jun 2011, 14:19
Replies: 10
Views: 2,043
Posted By Another St Ivian

Luckycat: Have a look at getting an NPPL, if it's...

Luckycat: Have a look at getting an NPPL, if it's just recreational flying you're after.

At the most basic level, you're simply required to obtain a HGV driver's medical sign-off from your GP.
Forum: Computer/Internet Issues & Troubleshooting
3rd Jan 2011, 14:33
Replies: 160
Views: 57,436
Posted By Another St Ivian

Angry Birds, Flight Control....write-off your...

Angry Birds, Flight Control....write-off your whole working week there.

(380 on the original airfield!)
Forum: Tech Log
21st Nov 2010, 18:38
Replies: 316
Views: 85,015
Posted By Another St Ivian

Did the No 2 engine have a significant pitch...

Did the No 2 engine have a significant pitch couple?

It may have been that to avoid the pitch and thrust control loops affecting each other and becoming out of phase, they simply restricted the...
Forum: Private Flying
13th Nov 2010, 11:41
Replies: 17
Views: 2,282
Posted By Another St Ivian

Capot: Few reasons; Bleed air required from all...

Capot: Few reasons; Bleed air required from all three, certain services (hyd/gen) are only attached to particular engines, and jockeying eng 3 & 4 can be used to balance out the thrust from eng 2 so...
Forum: Private Flying
13th Nov 2010, 06:19
Replies: 17
Views: 2,282
Posted By Another St Ivian

Indeed, it's a great flight safety/ILAFT point -...

Indeed, it's a great flight safety/ILAFT point - Certainly it makes me doubly mindful of what to look out for on a busy airfield! Hopefully everyone else can share their experiences.

I just...
Forum: Private Flying
12th Nov 2010, 19:07
Replies: 17
Views: 2,282
Posted By Another St Ivian

Ah, this again...you posted this lot on the Flyer...

Ah, this again...you posted this lot on the Flyer forums some time ago.

In brief, as it isn't really for me to explain such matters fully, the type of testing being undertaken on that particular...
Forum: Tech Log
24th Oct 2010, 16:41
Replies: 18
Views: 2,703
Posted By Another St Ivian

It's a pretty small effect however - For average...

It's a pretty small effect however - For average higher end weights of the -500, a spread of 100 knots sees a delta of ~7 mins (from memory) on time to T/C.

(NB Still flying around with the ARMA,...
Forum: Tech Log
12th Oct 2010, 00:04
Replies: 28
Views: 6,102
Posted By Another St Ivian

raptorva: First off, nice draftmanship on the...

raptorva: First off, nice draftmanship on the drawing - Such skills will stand you in good stead when your theoretical knowledge comes on with time.

You obivously have an interest in such things,...
Forum: Flight Testing
11th Oct 2010, 12:59
Replies: 2
Views: 1,118
Posted By Another St Ivian

BBC News - Virgin Galactic's spaceship makes solo...

BBC News - Virgin Galactic's spaceship makes solo flight (http://www.bbc.co.uk/news/science-environment-11511604)

:8
Forum: Tech Log
7th Oct 2010, 19:15
Replies: 2,133
Views: 1,679,448
Posted By Another St Ivian

gordonroxburgh; It sounds as though you may have...

gordonroxburgh; It sounds as though you may have had an involvement in the Concorde simulators with knowledge such as that...perhaps you could help with a question I have?

How did the simulators...
Forum: Flight Testing
8th Sep 2010, 11:23
Replies: 23
Views: 18,245
Posted By Another St Ivian

Being a shameless fanboi here... The iPhone...

Being a shameless fanboi here...

The iPhone 4 has gyro's now, as well as accelerometers :8

(This being said, you can't tell which source an app is using...so still highly inadvisable!)
Forum: Military Aviation
15th Sep 2009, 18:22
Replies: 36
Views: 5,603
Posted By Another St Ivian

I got this far.... I would be very...

I got this far....



I would be very surprised if those behind the contracts at the beginning didn't guard them well against political sways.
Forum: Military Aviation
13th Aug 2009, 21:34
Replies: 22
Views: 3,477
Posted By Another St Ivian

Hah, very fair! Don't lose all hope though -...

Hah, very fair!

Don't lose all hope though - Some clever sparks are doing a lot of planning on those fronts.

Not UK plc admittedly, but if you get the chance, hop on YouTube and watch some of...
Forum: Military Aviation
13th Aug 2009, 20:29
Replies: 22
Views: 3,477
Posted By Another St Ivian

Zzzzz :zzz: You old duffers really do bang...

Zzzzz :zzz:

You old duffers really do bang on a bit, don't you?

I'll concede that we have seen something of an education dilution in this country. It can be most easily seen in the chartership...
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