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Search: Posts Made By: Bellerophon
Showing results 1 to 35 of 243
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Forum: Tech Log
24th Jul 2023, 17:18
Replies: 13
Views: 3,666
Posted By Bellerophon

Joeyc41 A few posts after the post you...

Joeyc41

A few posts after the post you quoted from, the author was asked the same question:

... Could you explain the reason for those Vmo changes with altitude and weight?...

And his reply...
Forum: Aviation History and Nostalgia
11th Sep 2022, 13:26
Replies: 29
Views: 5,512
Posted By Bellerophon

I spent many years on the various Trident fleets...

I spent many years on the various Trident fleets in BEA/BA - but having left the fleet before it finally went out of service I can't be certain about this - however I don't think we ever had a female...
Forum: Tech Log
1st Sep 2022, 18:56
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

Speedbird223 …the 31L Canarsie departure is...

Speedbird223

…the 31L Canarsie departure is obviously extremely well known … Given the noise abatement situation what happened if the weather didn't play ball? … Were there other departure...
Forum: Rumours & News
20th Nov 2021, 00:09
Replies: 57
Views: 33,015
Posted By Bellerophon

Wizofoz ... the jurisdiction this pilot was...

Wizofoz

... the jurisdiction this pilot was jailed in, it's not even a criminal conviction ...

Conviction for a DUI in Scotland is most definitely a criminal conviction and it is worth noting...
Forum: Terms and Endearment
29th Dec 2019, 13:00
Replies: 575
Views: 715,182
Posted By Bellerophon

JPJP ... and a management praying quietly...

JPJP

... and a management praying quietly that you wouldn’t cave ...

I suspect you meant management were praying you would cave ( or wouldn't strike)
Forum: Rumours & News
22nd Feb 2019, 22:20
Replies: 51
Views: 40,512
Posted By Bellerophon

togsdragracing ...is this stuff measured...

togsdragracing

...is this stuff measured wheels off to wheels down, or gate to gate?...

As DaveReidUK has said, no such thing as a dumb question in aviation. Dumb statements are another...
Forum: Rumours & News
20th Feb 2019, 18:02
Replies: 51
Views: 40,512
Posted By Bellerophon

Juggler25 Concorde G-BOAD, 07 February 1996,...

Juggler25

Concorde G-BOAD, 07 February 1996, JFK-LHR, 2h 52m 59s
Forum: Tech Log
1st May 2018, 17:29
Replies: 45
Views: 37,788
Posted By Bellerophon

Pugilistic Animus As you say, Stick Nudgers...

Pugilistic Animus

As you say, Stick Nudgers were required and fitted to all BA's B747-100 and 200 aircraft, although judging from comments by TowerDog and bcgallacher, it appears this was not a...
Forum: Military Aviation
30th Mar 2018, 22:21
Replies: 71
Views: 14,147
Posted By Bellerophon

Carlisle - 1969

Beagle

Passed OASC at Biggin Hill in 1968 and did my CCF Special Flying Award at Carlisle in March 1969, with several others who have remained friends and colleagues over the years. First solo in...
Forum: Tech Log
10th Jun 2017, 18:51
Replies: 11
Views: 4,288
Posted By Bellerophon

De-aerated fuel

JammedStab

...Jet fuel contains dissolved air and the amount depends on the temperature of the fuel and the altitude. As the airplane climbs to cruising altitude, and the ambient pressure...
Forum: Tech Log
29th Apr 2017, 17:21
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

stilton I'd forgotten I'd posted that photo,...

stilton

I'd forgotten I'd posted that photo, but now that I've looked at it again, it is indeed the bottom (red) edge of the VMO failure flag that you saw.

A thread you started nearly 7 years...
Forum: Tech Log
28th Apr 2017, 16:42
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

stilton ...there is what appears to be a...

stilton

...there is what appears to be a fixed red line marked on the airspeed indicator opposite or pointing to around 190Kias...

Could you please show us which picture you are looking at, as...
Forum: Tech Log
4th Feb 2017, 19:22
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

stilton ... so you might use reverse on only...

stilton

... so you might use reverse on only one engine? any assymetric issues with that ?...

No issue at all, on the one occasion I can remember that it happened to me.


... why the 4...
Forum: Tech Log
20th Dec 2016, 14:29
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

Reverse Thrust in the air - Limitations ...

Reverse Thrust in the air - Limitations


Inboard engines (either or both) only
Idle power only
Between 30,000 ft - 3,000 ft AGL only
Subsonic only
Max speed 370 kts over most of the...
Forum: Tech Log
9th Dec 2016, 21:49
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

FraserConcordeFan To show you what EXWOK was...

FraserConcordeFan

To show you what EXWOK was referring to when he posted ...and then a numerical entry to access the relevant part of the route (or Flight Plan Segment), which would be numbered...
Forum: Tech Log
11th Jan 2016, 22:25
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

FraserConcordeFan ... How exactly would you...

FraserConcordeFan

... How exactly would you get the INS into memory mode so you could input the two digit code to activate the route section...

Concorde did have a facility to input a flight...
Forum: Tech Log
29th Nov 2015, 16:07
Replies: 14
Views: 2,943
Posted By Bellerophon

Even with automatic fuel heat in a RR powered...

Even with automatic fuel heat in a RR powered B747-200, encountering a very cold air mass could still mean that the temperature of the fuel in the tanks could fall to its limiting temperature.

The...
Forum: Tech Log
4th Aug 2015, 00:22
Replies: 7
Views: 2,262
Posted By Bellerophon

Spooky 2 On a four-engined passenger jet I...

Spooky 2

On a four-engined passenger jet I flew some years ago - fitted with triple INS but no FMCs - our company fuel plans always provided two-engines operating (2EO) data, as well as...
Forum: Tech Log
15th Jun 2015, 23:49
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

NineEighteen Try this link:...

NineEighteen

Try this link: http://www.pprune.org/tech-log/423988-concorde-question-44.html#post6129540
Forum: Tech Log
11th Apr 2015, 11:22
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

DozyWannabe Chris Norris did indeed return...

DozyWannabe

Chris Norris did indeed return to the Concorde fleet as a Captain, later becoming the last Training Captain to be appointed on the fleet.

He was one of the most able and respected...
Forum: Tech Log
10th Apr 2015, 17:25
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

ZeBedie ...Was pilot selection purely on...

ZeBedie

...Was pilot selection purely on seniority?...

Fortunately, Yes! :)

It was (almost) exactly the same process as pilot selection for any other aircraft move in BA.


There had to...
Forum: Tech Log
22nd Feb 2014, 11:30
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

Shaggy Sheep Driver S14 and S15 decode as...

Shaggy Sheep Driver

S14 and S15 decode as "Pressurisation Static Ports".

Anything more than that and I'm afraid I'm out of my depth, so you'll need one of our resident engineer experts to chip...
Forum: Tech Log
22nd Feb 2014, 02:16
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

ruddman ...Being that the Concorde...

ruddman


...Being that the Concorde looks like a slippery sob, how were the descents planned?...

The distance required to decel/descend from M2.0 in cruise/climb down to 3,000 at 250 kts was...
Forum: Tech Log
22nd Feb 2014, 00:48
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

Shaggy Sheep Driver ...I've noticed static...

Shaggy Sheep Driver

...I've noticed static ports under the fuselage at the back, between the engines. Are these just additional ports for the aircraft's general static pressure measurement system,...
Forum: Tech Log
30th May 2013, 12:34
Replies: 47
Views: 9,272
Posted By Bellerophon

Zoyberg ... Bookworm (who I can't get hold...

Zoyberg

... Bookworm (who I can't get hold of) advised that the energy of a 50 tonne aircraft travelling at 140 knots (70 metres/second) equated to 125 M ...



A 50 tonne aircraft...
Forum: Military Aviation
27th Jan 2013, 03:28
Replies: 47
Views: 16,868
Posted By Bellerophon

Two's in If you are over Tampa...

Two's in



If you are over Tampa Executive airport, heading roughly South West (having approached from the North East) but think you are over Peter O Knight airport, then the airport that is now...
Forum: Military Aviation
26th Jan 2013, 16:00
Replies: 47
Views: 16,868
Posted By Bellerophon

There are reports in the Tampa press that the...

There are reports in the Tampa press that the crew were aware of the proximity of Peter O Knight (KTPF) to MacDill (KMCF), and were trying to identify it in order to avoid the obvious trap.
...
Forum: Military Aviation
23rd Jan 2013, 01:45
Replies: 48
Views: 21,271
Posted By Bellerophon

Pitts2112 Concorde used reheat to accelerate...

Pitts2112

Concorde used reheat to accelerate from M0.95 up to M1.70, when they were switched off and full dry climb/cruise power took her up to M2.00.

Once at M2.00, with the power setting...
Forum: Military Aviation
23rd Nov 2012, 16:57
Replies: 57
Views: 32,425
Posted By Bellerophon

Thumbs up I had the pleasure of a few flights in Chipmunks...

I had the pleasure of a few flights in Chipmunks at Ouston in 1969, as it was the local AEF base for my school CCF.

Chipmunk WB738, flown by an instructor named Flegg, is one combination that...
Forum: Tech Log
1st Aug 2012, 17:37
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

LTCTerry ...but why was the thrust...

LTCTerry

...but why was the thrust asymmetric in the first place?...

Allow me to direct you to my colleague M2dude's answer here...
Forum: Tech Log
8th Apr 2012, 12:43
Replies: 19
Views: 3,736
Posted By Bellerophon

A-3TWENTY ...What was a tipical fuel...

A-3TWENTY

...What was a tipical fuel consuption per hour for the Concorde?...

A total fuel load of 91,000 kg, with a flight time of 3h:20m in the air, was a fairly typical flight plan for...
Forum: Tech Log
5th Apr 2012, 09:50
Replies: 19
Views: 3,736
Posted By Bellerophon

Stuck_in_an_ATR ... Could you explain the...

Stuck_in_an_ATR

... Could you explain the reason for those Vmo changes with altitude and weight?...

I’m afraid not, as this is getting in to an area well beyond my own level of technical...
Forum: Tech Log
4th Apr 2012, 21:55
Replies: 19
Views: 3,736
Posted By Bellerophon

Stuck_in_an_ATR ...What was the reason for...

Stuck_in_an_ATR

...What was the reason for the Concorde to climb that close to Vmo?...

Fuel efficiency.

Very broadly, over much (not all) of Concorde's flight envelope, increasing speed...
Forum: Tech Log
4th Apr 2012, 21:36
Replies: 2,133
Views: 1,681,079
Posted By Bellerophon

doxeee ...The rear tank on Concorde needed...

doxeee

...The rear tank on Concorde needed to be full at take off for trim purposes....

No, it didn't, and it wasn't.


...As speed increased fuel was transfered forward to the main tanks......
Forum: Tech Log
4th Apr 2012, 11:04
Replies: 19
Views: 3,736
Posted By Bellerophon

EightsOnPylons ...How come the concorde flew...

EightsOnPylons

...How come the concorde flew around 60 000 ft in that case?...

Concorde, when climbing, flew at her (highly variable) VMO, and when I say that, I mean it quite literally, to the...
Showing results 1 to 35 of 243
 
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