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Search: Posts Made By: On-MarkBob
Showing results 1 to 35 of 148
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Forum: Military Aviation
17th Sep 2020, 21:18
Replies: 21
Views: 8,463
Posted By On-MarkBob

[QUOTE=Nolongerin;10819745]The fescalised portion...

[QUOTE=Nolongerin;10819745]The fescalised portion on an undercarriage (or any actuator or jack) is the shiny machined bit. Its not in the English dictionary as it comes from the Greek word fescalise...
Forum: Tech Log
26th Jun 2017, 21:19
Replies: 43
Views: 21,715
Posted By On-MarkBob

Indeed, Flash2001, Also when the concept of...

Indeed, Flash2001,
Also when the concept of power outlets was introduced, mobile pone chargers and the like had barely been invented. As technology improves, more airlines will require this stuff...
Forum: Tech Log
26th Jun 2017, 07:21
Replies: 43
Views: 21,715
Posted By On-MarkBob

Aircraft power outlets

I didn't write the 'garden slab' analogy for the benefit of a university degree course in electrical engineering. It was written as a 'Visualisation' for the benefit of airline cabin crew. Those that...
Forum: Tech Log
24th Jun 2017, 12:37
Replies: 43
Views: 21,715
Posted By On-MarkBob

400 Hrz. Outlets

I concur with FullWings entirely. As the chief technical Captain for no less than three airlines I have repeatedly encountered this issue and discussed the matter with both Boeing and Airbus.
A very...
Forum: Private Flying
15th Nov 2015, 15:39
Replies: 13
Views: 3,440
Posted By On-MarkBob

Oil Grades

Firstly, the Lycoming Engine was designed many years ago when multi-grade oils were not generally available and a certain amount of their design was dependant on the best oil available at the time. I...
Forum: Private Flying
15th Nov 2015, 09:31
Replies: 27
Views: 11,083
Posted By On-MarkBob

0-200 vibration

The 0-200 is a great little engine and should run as smooth as silk. On a good one you could place a 50p bit on the engine on its edge and it wouldn't fall over, when the engine is at 1500-1800 RPM....
Forum: Private Flying
15th Jul 2013, 03:54
Replies: 9
Views: 2,383
Posted By On-MarkBob

Good move! For an aircraft engineering trainer,...

Good move! For an aircraft engineering trainer, the more sophisticated and modern the better. Like professional pilots most professional engineers will end up in the airline industry, particularly if...
Forum: Private Flying
7th Jul 2013, 21:21
Replies: 31
Views: 10,860
Posted By On-MarkBob

Use the "Both" position for take-off and landing....

Use the "Both" position for take-off and landing. In the cruise select the higher tank until the fuel is "balanced" then back to "both". On a long flight you might have to "balance" the fuel more...
Forum: Private Flying
7th Jul 2013, 21:07
Replies: 9
Views: 2,383
Posted By On-MarkBob

That's Rallye ! When training, it's...

That's Rallye !

When training, it's important to get the right kind of aircraft. Something obscure will not necessarily be beneficial. unfortunately, with the cost of aircraft parts these days,...
Forum: Private Flying
1st Apr 2013, 20:07
Replies: 22
Views: 14,440
Posted By On-MarkBob

C172 Rear Seat Removal

The first thing to understand is that all fully certified aircraft types have what is known as a "Type Certificate data Sheet". (TCDS). Most are freely downloadable from the internet.
The Cessna...
Forum: Terms and Endearment
15th Aug 2011, 20:58
Replies: 3,326
Views: 1,388,832
Posted By On-MarkBob

BAs new recruitment drive was only announced...

BAs new recruitment drive was only announced recently, if it has been discontinued so soon after announcing a 'holding pool' for up to 800 pilots, then I think it was hardly worth the effort. More...
Forum: Terms and Endearment
15th Aug 2011, 20:16
Replies: 3,326
Views: 1,388,832
Posted By On-MarkBob

BA's Direct Entry Pilot Recruitment

I just tried the new BA D/E pilot recruitment questions on line. My application was terminated at the "have you any military experience" question. I haven't so it just stopped there. I did the test...
Forum: Questions
29th Jun 2011, 21:28
Replies: 8
Views: 4,881
Posted By On-MarkBob

It's Actually to do with your ETOPS Rule...

It's Actually to do with your ETOPS Rule distance. Basically, if you declare 180 mins ETOPs, you have to carry 180mins of fuel from your CP. Sometimes you can reduce your ETOPs Extra by having a...
Forum: Flying Instructors & Examiners
22nd Aug 2010, 21:40
Replies: 16
Views: 3,279
Posted By On-MarkBob

I seem to remember that it flicks better one way...

I seem to remember that it flicks better one way than the other, I can't remember which. I also remember that power was required. I goes best going straight up, I can't remember the speed, it was...
Forum: Flying Instructors & Examiners
22nd Aug 2010, 21:14
Replies: 43
Views: 16,798
Posted By On-MarkBob

In order for a light aircraft to achieve a flight...

In order for a light aircraft to achieve a flight data certificate at initial certification by the FAA, the manufacturer must have been able to demonstrate a 'Hands Off' landing. The PA 28 easily...
Forum: Flying Instructors & Examiners
22nd Aug 2010, 20:57
Replies: 35
Views: 9,334
Posted By On-MarkBob

People seem to make all kinds of rules for these...

People seem to make all kinds of rules for these lights. In my opinion they are a pilot discretionary item. The first thing you should remember is, at the moment, to the pilot they are FREE!!! Common...
Forum: Tech Log
5th Jul 2010, 20:53
Replies: 8
Views: 2,453
Posted By On-MarkBob

What he aircraft is capable of, and what it is...

What he aircraft is capable of, and what it is certified to do are two different things. I believe the FAA have a safety factor of 1.2 and the UK CAA 1.3. Thus early UK registered aircraft were...
Forum: Aviation History and Nostalgia
17th May 2010, 15:46
Replies: 8,604
Views: 1,827,542
Posted By On-MarkBob

I can't do a turn, I don't have any pictures. So,...

I can't do a turn, I don't have any pictures. So, carry on, someone!!
Forum: Aviation History and Nostalgia
17th May 2010, 11:39
Replies: 8,604
Views: 1,827,542
Posted By On-MarkBob

Boeing 757, but quite an early one so it might...

Boeing 757, but quite an early one so it might even be a freighter by now.
Forum: Engineers & Technicians
2nd May 2010, 17:27
Replies: 7
Views: 7,890
Posted By On-MarkBob

There is no published data because it depends on...

There is no published data because it depends on what is being found and how much as a percentage of the engine, if that makes sense. For example; in your case does the engine have chromed cylinders?...
Forum: Engineers & Technicians
17th Apr 2010, 22:59
Replies: 13
Views: 2,169
Posted By On-MarkBob

Many devices have been tried before, from...

Many devices have been tried before, from anemometer style cups on the wheels to motors to drive them. All been dicarded. The initial decelleration caused by wheel spin-up critcally reduces airspeed...
Forum: Questions
17th Apr 2010, 22:33
Replies: 2
Views: 1,310
Posted By On-MarkBob

I had a load of this ash over my cars this...

I had a load of this ash over my cars this morning, small particles indeed but the same stuff they use in some grit blasting machines. Engines with good air filters might well filter the worst out...
Forum: Flight Testing
17th Apr 2010, 22:24
Replies: 5
ASI
Views: 1,542
Posted By On-MarkBob

Some types of Distance measuring equipment have...

Some types of Distance measuring equipment have accurate speed readings. I've used this method myself, in the past, especilly if you need to fly at accurate constant speeds. Don't fly too close to...
Forum: Flight Testing
17th Apr 2010, 22:08
Replies: 8
Views: 3,089
Posted By On-MarkBob

All good stuff proffered here but another reason...

All good stuff proffered here but another reason is the mechanics of loading. I don't mean the baggage or passengers, but the mechanical loads exerted on the nose wheel particulary on touch-down....
Forum: Flight Testing
17th Apr 2010, 21:56
Replies: 7
Views: 6,215
Posted By On-MarkBob

Hi, I have done quite a bit of flying in the...

Hi,
I have done quite a bit of flying in the Seneca, the mark 1, 2 and 3. I have flight tested many and spoken to Piper on many occasions about various aircraft, from time to time. The type was...
Forum: Questions
7th Feb 2010, 19:13
Replies: 11
Views: 3,647
Posted By On-MarkBob

Modern Carbon brakes are much more efficient than...

Modern Carbon brakes are much more efficient than the old sintered metal brake units. They operate best when they are hot, but most importantly the brake ware is also reduced when the brakes are hot....
Forum: Flying Instructors & Examiners
9th Oct 2009, 16:56
Replies: 41
Views: 42,604
Posted By On-MarkBob

SIAI Marchetti SF.260

Having flow 118 different types and air tested most of them, without doubt the best training aircraft is the SIAI Marchetti SF. 260. It does everything! and equally well as both a two seat and four....
Forum: Tech Log
12th Jul 2009, 19:51
Replies: 6
Views: 3,470
Posted By On-MarkBob

Soft Alt

With the introduction of RVSM airspace, 'soft' altitude has mostly been replaced with 'soft' or 'lazy' autothrottle speed control, for obvious reasons. Both modes are essentially for saving fuel, and...
Forum: Tech Log
12th Jul 2009, 19:40
Replies: 34
Views: 5,382
Posted By On-MarkBob

AutoBrake

Some Airlines 'Buy' their brakes in a similar way to how they 'Buy' their engines and other components. You've, no doubt, heard of 'power by the hour' refering to the purchase of engines and APUs and...
Forum: Passengers & SLF (Self Loading Freight)
11th Jul 2009, 14:54
Replies: 23
Views: 3,809
Posted By On-MarkBob

Passenger Duty Tax Increase - Petition

The increase in Passenger Duty Tax will have a significant effect on the British Aircraft Industry. At a time when we are already suffering from the economic downturn, this tax will drive even more...
Forum: Private Flying
12th Mar 2009, 09:44
Replies: 79
Views: 7,654
Posted By On-MarkBob

Very Good, Spitoon I agree entirely! The Law...

Very Good, Spitoon I agree entirely!
The Law says a licensed hackney carriage can 'Park' anywhere he wishes and the law includes the fast lane of a motorway. It comes from the days when he could...
Forum: Private Flying
12th Mar 2009, 00:38
Replies: 79
Views: 7,654
Posted By On-MarkBob

A number of UK ATS units require that on initial...

A number of UK ATS units require that on initial call-up you use only your call sign:-

After changing frequency simply "G-XXXX" or call sign and flight number, ie. "Speedbird 123". In the...
Forum: Private Flying
2nd Feb 2009, 19:35
Replies: 27
Views: 10,898
Posted By On-MarkBob

Slipping with flaps extended on the 172 and most...

Slipping with flaps extended on the 172 and most high wing Cessnas can bend the flap rails. The best way to loose hight is to slow it down, select full flap then put the nose down while monitoring...
Forum: Engineers & Technicians
28th Aug 2008, 19:38
Replies: 11
Views: 1,439
Posted By On-MarkBob

I remember having a short box spanner with a flat...

I remember having a short box spanner with a flat handle on it. It would fit over the plug with the top of the plug protruding out the top of the spanner when it was in position. You could possibly...
Forum: Flight Testing
25th Jul 2008, 23:02
Replies: 45
Views: 30,711
Posted By On-MarkBob

There are a number of advantages for having a...

There are a number of advantages for having a high wing. First, they have what is known as 'pendular stability' which means that the wings don't necessarily have to have dihedral, which means that...
Showing results 1 to 35 of 148
 
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