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Search: Posts Made By: bcgallacher
Showing results 1 to 35 of 423
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Forum: Tech Log
8th Oct 2019, 19:48
Replies: 8
Views: 2,908
Posted By bcgallacher

In the 70s I worked for Iranair in Teheran. We...

In the 70s I worked for Iranair in Teheran. We regularly 5th podded engines to and from our overhauls in Frankfurt. On speaking to a captain regarding operating with the pod installed he said that...
Forum: Spectators Balcony (Spotters Corner)
20th Feb 2019, 02:11
Replies: 24
Views: 7,056
Posted By bcgallacher

On a flight from Manila to Narita in the early...

On a flight from Manila to Narita in the early 90's on a 747 - 200 photographed the no3 INS showing a groundspeed in excess of 700Kts and a wind on the tail of 200+ knots. There was no turbulence....
Forum: Rumours & News
28th Jan 2019, 04:13
Replies: 28
Views: 43,016
Posted By bcgallacher

Some years ago I regularly flew in the observers...

Some years ago I regularly flew in the observers seat of 747s as flight mech.More than once I flew with a particular captain whose behaviour led me to believe he was under the influence - the problem...
Forum: Accidents and Close Calls
14th Jan 2019, 13:34
Replies: 13
Views: 7,638
Posted By bcgallacher

The official Saudi report is not an accurate...

The official Saudi report is not an accurate account of the accident but the story about the royal flight is untrue. I was slightly involved with the aircraft after the accident,I visited it several...
Forum: Australia, New Zealand & the Pacific
27th Oct 2018, 09:42
Replies: 27
Views: 5,706
Posted By bcgallacher

Some years back I had to do a damage inspection...

Some years back I had to do a damage inspection after a report of a bird strike on a 727 at 23000 ft over the Persian Gulf. We found feathers trapped in a lap joint at the bottom of the radome -...
Forum: Tech Log
31st Jul 2018, 16:53
Replies: 29
Views: 9,877
Posted By bcgallacher

I was informed that stall trials on the Trident...

I was informed that stall trials on the Trident 3b were protected by a rocket motor attached to the vertical bulkhead below engine number 2. Presumably it would have been fired if the aircraft...
Forum: PPRuNe Problems or Queries
30th May 2018, 18:10
Replies: 41
Views: 8,350
Posted By bcgallacher

Pprune in the Phillippines

I spend several months of the year in the Philippines,mainly in a Manila suburb and regularly access Pprune. PLDT supplies our internet - it can be unreliable at times but you can usually get Pprune.
Forum: Tech Log
30th Apr 2018, 11:54
Replies: 45
Views: 37,765
Posted By bcgallacher

I am a retired 747 ground engineer,worked for...

I am a retired 747 ground engineer,worked for over 30 years with - 100,200,300 and SP that had been registered in several countries but never encountered a stick nudger. Shaker yes but never a...
Forum: Middle East
9th Mar 2018, 20:58
Replies: 1
Views: 2,270
Posted By bcgallacher

My father and I had a combined total of 18 years...

My father and I had a combined total of 18 years in the maintenance department of Iranair mostly in Tehran. We left after the revolution in 1979. Prior to this the maintenance standard of the airline...
Forum: Aviation History and Nostalgia
6th Mar 2018, 15:23
Replies: 67
Views: 17,472
Posted By bcgallacher

The Gypsy - why did you fly to Munich? The...

The Gypsy - why did you fly to Munich? The accident happened in Hamburg,I was in Hamburg that night and the Fire engines passed our apartment. It took off over my fathers car as he was leaving the...
Forum: Aviation History and Nostalgia
5th Mar 2018, 05:25
Replies: 67
Views: 17,472
Posted By bcgallacher

A little further info on water/watermeth...

A little further info on water/watermeth injection. On the RR Dart the water meth was injected into the first stage compressor,the methanol burned in addition to the fuel in the combustion chambers...
Forum: Aviation History and Nostalgia
4th Mar 2018, 23:52
Replies: 67
Views: 17,472
Posted By bcgallacher

Trident 2 and BAC 1-11 used only de- min water...

Trident 2 and BAC 1-11 used only de- min water never water meth. Dart engines were the only civil engines that to my knowledge used water meth. On Trident it was dumped in flight.
Forum: Aviation History and Nostalgia
19th Feb 2018, 08:15
Replies: 31
Views: 6,368
Posted By bcgallacher

It is possible to fit a Fairey Reed metal prop as...

It is possible to fit a Fairey Reed metal prop as fitted to Chipmunk Gypsy Majors back to front. How do I know this? - I saw it done!
Forum: Rumours & News
10th Feb 2018, 08:50
Replies: 10
Views: 10,276
Posted By bcgallacher

It’s Nigeria fo heavens sake - ask anyone who has...

It’s Nigeria fo heavens sake - ask anyone who has flown with a Nigerian airline!
Forum: Tech Log
30th Jan 2018, 12:42
Replies: 51
Views: 27,365
Posted By bcgallacher

On earlier Airbus types a boost pump in each...

On earlier Airbus types a boost pump in each inboard tank pressurised a small valve allowing the refueling manifold to drain into the inboard tank after refueling with the aircraft pumps then...
Forum: Aviation History and Nostalgia
19th Dec 2017, 08:11
Replies: 114
Views: 39,827
Posted By bcgallacher

My understanding was that the outflow valves...

My understanding was that the outflow valves remained closed with the engines still running - presumably with packs on.The result was that the aircraft remained pressurised with the doors unable to...
Forum: Engineers & Technicians
20th Nov 2017, 14:09
Replies: 2
Views: 1,990
Posted By bcgallacher

There are various wheel and tire sizes for...

There are various wheel and tire sizes for 100,200,300 and SP. I have no experience on -400. The classic wheels are all physically interchangeable but can be different sizes. Early SP aircraft were...
Forum: Aviation History and Nostalgia
13th Nov 2017, 09:49
Replies: 187
Views: 113,086
Posted By bcgallacher

As far as AST Scone records are concerned I have...

As far as AST Scone records are concerned I have recently been informed that Perth Library holds records that were handed over on closure of the school.
Forum: Engineers & Technicians
25th Oct 2017, 19:43
Replies: 13
Views: 3,550
Posted By bcgallacher

Was involved with routine washes of Tristar APUs...

Was involved with routine washes of Tristar APUs in Saudi. On one occasion the chap who mixed the fluid was on vacation so it was mixed by a storekeeper - who used undiluted fluid which was about 90%...
Forum: Aviation History and Nostalgia
14th Oct 2017, 18:01
Replies: 24
Views: 11,340
Posted By bcgallacher

I started working as a ground engineer on 747s in...

I started working as a ground engineer on 747s in Iran in 1977 and retired in 2010 after 33 years on them. It was an easy aircraft to maintain - relatively simple systems compared to the likes of...
Forum: Engineers & Technicians
13th Oct 2017, 10:23
Replies: 1
Views: 1,115
Posted By bcgallacher

Overheating hydraulic fluid will break down and I...

Overheating hydraulic fluid will break down and I have seen solid material develop in the fluid contaminating the whole system. The pumps may fail and filters will clog. At one time Airbus A300-600...
Forum: Engineers & Technicians
14th Aug 2017, 11:03
Replies: 11
Views: 2,688
Posted By bcgallacher

This question makes me smile - as a line engineer...

This question makes me smile - as a line engineer a hangar is a luxury I rarely had. Highest ambient worked - +49deg Lowest temp - 15deg. Both times were engine changes.
Forum: Military Aviation
16th Jun 2017, 11:26
Replies: 19
Views: 2,286
Posted By bcgallacher

There is an original Wal in a museum outside...

There is an original Wal in a museum outside Buenos Aires in a city called Lujan- if I remember correctly it had Napier Lion engines.
Forum: Military Aviation
11th May 2017, 10:06
Replies: 99
Views: 37,870
Posted By bcgallacher

You are absolutely right on that point - the US...

You are absolutely right on that point - the US would not hesitate to step in when required. Saudi would fall apart in hours without American military assistance.My understanding is that there is a...
Forum: Military Aviation
11th May 2017, 06:46
Replies: 99
Views: 37,870
Posted By bcgallacher

Having spent a few years in both Iran and Saudi...

Having spent a few years in both Iran and Saudi in the aviation business - even involved in training Saudi mechanics I have come to the conclusion that the Iranians would find it relatively easy to...
Forum: Spectators Balcony (Spotters Corner)
14th Mar 2017, 10:07
Replies: 16
Views: 2,819
Posted By bcgallacher

747 Downlock pins can be removed with a long tool...

747 Downlock pins can be removed with a long tool while standing on the ground.
Forum: Spectators Balcony (Spotters Corner)
13th Mar 2017, 13:13
Replies: 16
Views: 2,819
Posted By bcgallacher

Some companies insisted that lock pins were left...

Some companies insisted that lock pins were left in during pushback.Always thought that was unnecessary- may lead to the problem we have just seen.
Forum: Military Aviation
28th Feb 2017, 13:21
Replies: 28
Views: 5,182
Posted By bcgallacher

I think the drone just dropped a big rock on the...

I think the drone just dropped a big rock on the car- £110,000 cheaper than a Brimstone!�� Seriously it will be interesting if we start seeing more air strikes like this,over the next while I will...
Forum: Military Aviation
28th Feb 2017, 03:26
Replies: 28
Views: 5,182
Posted By bcgallacher

Lonewolf - it appears to have taken place in...

Lonewolf - it appears to have taken place in Syria,there was no sign of an explosion,the rear window was intact. The damage was a large impact hole torn in the roof. The windshield was damaged...
Forum: Military Aviation
27th Feb 2017, 21:28
Replies: 28
Views: 5,182
Posted By bcgallacher

Drone strike

An Al Qaeda leader was killed yesterday by a drone strike. Photographs exist showing a car with a large hole in the roof but the windows intact. Either there was a failure of the missile to explode...
Forum: Tech Log
28th Jan 2017, 08:17
Replies: 21
Views: 5,284
Posted By bcgallacher

In the mid 1980's three of Saudia's 747 300s were...

In the mid 1980's three of Saudia's 747 300s were delivered with an aux tank in the fwd cargo. It was a bit primitive - just a big cylindrical tank holding 1946 US gallons secured to the cargo rails...
Forum: Aviation History and Nostalgia
2nd Dec 2016, 04:11
Replies: 214
Views: 121,667
Posted By bcgallacher

Treadigraph - My omission - the flight was from...

Treadigraph - My omission - the flight was from Singapore,my father was an engineer with the old Malayan Airways.
Forum: Aviation History and Nostalgia
28th Nov 2016, 03:09
Replies: 214
Views: 121,667
Posted By bcgallacher

About 1954 or so I flew into Heathrow in a BOAC...

About 1954 or so I flew into Heathrow in a BOAC Argonaut.The journey took about a week due to 3 returns from flight with an engine feathered.The customs facility at that time was a large military...
Forum: Military Aviation
14th Sep 2016, 10:39
Replies: 21
Views: 10,207
Posted By bcgallacher

If that is the case how does an auto gyro fly?...

If that is the case how does an auto gyro fly? The airflow through the rotor is upwards.As is the airflow through an auto rotating helicopter rotor.
Forum: Tech Log
13th Sep 2016, 12:51
Replies: 12
Views: 4,899
Posted By bcgallacher

As I recall the filter housing on Sundstrand IDGs...

As I recall the filter housing on Sundstrand IDGs is sealed by the filter housing cap whether the filter is installed or not - just a normal 'O' ring. Without a filter failure of the IDG would be...
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