PPRuNe Forums - Search Results
PPRuNe Forums

Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Wikiposts
Today's Posts
Search
Vendor Directory
Search: Posts Made By: M2dude
Showing results 1 to 32 of 32
Search took 0.00 seconds.
Forum: Tech Log
27th Nov 2010, 05:39
Replies: 148
Views: 116,343
Posted By M2dude

Landroger Actually Roger the Plessey PVS1580...

Landroger

Actually Roger the Plessey PVS1580 system generally used 'spare' outputs from existing system sensors as far as the powerplant went, the one exception to this being T3 (HP compressor...
Forum: Tech Log
26th Nov 2010, 08:14
Replies: 148
Views: 116,343
Posted By M2dude

Thanks speedbirconcorde, possibly food for...

Thanks speedbirconcorde, possibly food for thought indeed. This particular thread I think deals with one of the most mystical and definately most 'clever' of all of the various 'Concorde Magic'...
Forum: Tech Log
5th Nov 2010, 11:03
Replies: 148
Views: 116,343
Posted By M2dude

Thanks ChristiaanJ, that Tornado thread was...

Thanks ChristiaanJ, that Tornado thread was absolutely fascinating to read. The poor old Tornado was so down on thrust; a little more thought and effort in the powerplant design would have resulted...
Forum: Tech Log
3rd Nov 2010, 21:21
Replies: 148
Views: 116,343
Posted By M2dude

And here lies a very true tale: When the Tornado...

And here lies a very true tale: When the Tornado airframe and systems 'carve up' was done in the early 1970's,the aerodynamic responsibility for the variable intake went to MBB in Germany. Now the...
Forum: Tech Log
2nd Nov 2010, 05:09
Replies: 148
Views: 116,343
Posted By M2dude

Thanks Feathers, glad you enjoyed the thread. ...

Thanks Feathers, glad you enjoyed the thread. The 'black art' of Concorde always was a fascinating subject. I always found ithe idea numbing that this more or less 'set it and forget it' system...
Forum: Tech Log
24th Sep 2010, 07:00
Replies: 148
Views: 116,343
Posted By M2dude

Devil When Intakes Go Wrong Part 3

BA themselves had a serious incident, but unlike the OTHER airline this was not as a result of pathetically poor maintenance or airmanship, but of a strange defect coupled with a design anomaly. In...
Forum: Tech Log
22nd Sep 2010, 03:43
Replies: 148
Views: 116,343
Posted By M2dude

Devil When Intakes Go Wrong Part 2

There were many concerns regarding the design integrity of the system, where performance and stability had to be both predictable and safe. The designers at British Aerospace (and to an extent Rolls...
Forum: Tech Log
21st Sep 2010, 18:14
Replies: 148
Views: 116,343
Posted By M2dude

NW1 It always amazed me just how 'tight' the...

NW1
It always amazed me just how 'tight' the airframe was in this regard. I remember that during construcion we used to do a pressure sustained leak check at 15 PSIG!!! (No one on board of course)....
Forum: Tech Log
21st Sep 2010, 17:48
Replies: 148
Views: 116,343
Posted By M2dude

bearfoil Thanks for you interesting post...

bearfoil
Thanks for you interesting post regarding the 'HABU', just like Concorde the SR-71 deserves and has it's own truly unique place in the realms of aviation history. (It really IS my second...
Forum: Tech Log
20th Sep 2010, 03:04
Replies: 148
Views: 116,343
Posted By M2dude

Devil When Intakes Go Wrong Part 1

When intakes go wrong
We've talked quite a bit here about surges and such, so I thought it might be useful to look at what was involved with Concorde 'when things went wrong', in that direction as...
Forum: Tech Log
18th Sep 2010, 06:19
Replies: 148
Views: 116,343
Posted By M2dude

OMG I regularly went up to 63,000' on test...

OMG I regularly went up to 63,000' on test flights, without too much blood bubbling I'm pleased to report. The physiological effects of altitude was well known to most of us, and dictated just about...
Forum: Tech Log
17th Sep 2010, 21:06
Replies: 148
Views: 116,343
Posted By M2dude

I remember it well CJ; I seem to remember that...

I remember it well CJ; I seem to remember that the guys flew in pre-production aircraft 101 (G-AXDN), and were full of praise about Concorde and the fact that they flew for the first time at 60,000' ...
Forum: Tech Log
17th Sep 2010, 15:36
Replies: 148
Views: 116,343
Posted By M2dude

bearfoil Absolutely credit where it is due. ...

bearfoil

Absolutely credit where it is due. The YF12/SR71 was without doubt Kelly Johnson's finest creation. (I'll let you into a secret, it was the SR71 inlet that first got me 'hooked' into...
Forum: Tech Log
16th Sep 2010, 15:29
Replies: 148
Views: 116,343
Posted By M2dude

Hi Ventus45 There was no real 'magic' as far as...

Hi Ventus45
There was no real 'magic' as far as the intake mounting to the wing goes. There were just four heavy duty attachments as well as a sliding transition ring between the intake and engine...
Forum: Tech Log
16th Sep 2010, 09:13
Replies: 148
Views: 116,343
Posted By M2dude

Talking Some Oil Lamps And Diesel Oil

John tullamarine

Oh yes, I found that although only relatively recently married, the art of being humble still prevails. :)
Pugilistic Animus
Thanks very for your comments Pugilistic, in my...
Forum: Tech Log
15th Sep 2010, 07:08
Replies: 148
Views: 116,343
Posted By M2dude

Loved your analogy John, and agree 100% with your...

Loved your analogy John, and agree 100% with your far more elequent than my 'shockwave summations'. (As you say, you get the normal shock whether you like it or not).
But you sir are in trouble with...
Forum: Tech Log
15th Sep 2010, 05:37
Replies: 148
Views: 116,343
Posted By M2dude

ChritiaanJ My point was we had not shown just...

ChritiaanJ
My point was we had not shown just how complex and difficult the Concorde intake aerodynamics were in these posts. I have mentioned NOTHING about the complexities of the generation of the...
Forum: Tech Log
14th Sep 2010, 17:19
Replies: 148
Views: 116,343
Posted By M2dude

Talking Phew!!! This is becoming one HELL of a topic

Wow this subject has generated one hell of a lot of debate, but intake 'thrust' really became a truly fascinating subject once the SR71 became reality. (Keep the posts coming guys, this is great). ...
Forum: Tech Log
13th Sep 2010, 11:18
Replies: 148
Views: 116,343
Posted By M2dude

Below is quite a nice simple but clear diagram of...

Below is quite a nice simple but clear diagram of the powerplant as a whole, showing a VERY simplified diagram of the shock system within the intake as well as the complex path for the secondary...
Forum: Tech Log
13th Sep 2010, 10:07
Replies: 148
Views: 116,343
Posted By M2dude

Mr Optimistic This is one of those arguments...

Mr Optimistic
This is one of those arguments that you could make go around and around for ever. The facts of the matter are this:
The intake DID provide a sizeable amount of thrust at Mach 2, but...
Forum: Tech Log
12th Sep 2010, 23:41
Replies: 148
Views: 116,343
Posted By M2dude

Landroger It was both 'played for' from the...

Landroger

It was both 'played for' from the very beginning and was certainly a happy outcome. But development of the intake was not completed until three years AFTER the aircraft entered airline...
Forum: Tech Log
12th Sep 2010, 23:14
Replies: 148
Views: 116,343
Posted By M2dude

DozyWannabe Not really DW, it was not so...

DozyWannabe

Not really DW, it was not so much due to the simpler secondary airflow systems, more to do with the design of the engine and intake, and only Concorde achieved the following: The...
Forum: Tech Log
12th Sep 2010, 22:59
Replies: 148
Views: 116,343
Posted By M2dude

MrOptimistic Oh, being devised 'centuries'...

MrOptimistic

Oh, being devised 'centuries' ;) before C++ was only a tiny issue. The problem was that having decided that an analog intake system would never be able to provide the level of control...
Forum: Tech Log
12th Sep 2010, 08:59
Replies: 148
Views: 116,343
Posted By M2dude

Mr Optimistic A good intake design is ALL...

Mr Optimistic

A good intake design is ALL about minimising losses, remember without a good intake, nomatter how good the Olypus 593 was, the 68% total thrust that came from the intake would not...
Forum: Tech Log
12th Sep 2010, 08:49
Replies: 148
Views: 116,343
Posted By M2dude

b377 They never did. The original TU 144...

b377

They never did. The original TU 144 engine was an apalling lump, and the intake was crude, both aerodynamically and in terms of it's control system. One of the major problems with the TU144...
Forum: Tech Log
12th Sep 2010, 08:43
Replies: 148
Views: 116,343
Posted By M2dude

barit1 Your information on the NACA cowls,...

barit1
Your information on the NACA cowls, particularly the P51 are both fascinatating and enlightening, thank you for adding another dimension to this thread. It's so easy to forget what an...
Forum: Tech Log
12th Sep 2010, 08:26
Replies: 148
Views: 116,343
Posted By M2dude

Landroger Not quite Landroger, but really...

Landroger

Not quite Landroger, but really close. The Concorde intake design is what is known as a 'two stream' intake. What this means is technically the inlet capture area itself is fixed, with...
Forum: Tech Log
11th Sep 2010, 09:43
Replies: 148
Views: 116,343
Posted By M2dude

b377 The Handley Page Victor Mk1 was powered...

b377

The Handley Page Victor Mk1 was powered by four Armstrong Siddely Saphire turbojets, and was underpowered like hell. The Mk2 was powered by four Rolls Royce Conway turbofans, was a far more...
Forum: Tech Log
10th Sep 2010, 09:19
Replies: 148
Views: 116,343
Posted By M2dude

Talking And one more thing....

Guys, apologies if it seems that I'm trying to hog things here, I'm just attempting to help clarify an extremely complex and bewildering subject.
Just imagine for a second that we are flying (or...
Forum: Tech Log
10th Sep 2010, 08:09
Replies: 148
Views: 116,343
Posted By M2dude

http://i991.photobucket.com/albums/af32/riconc1/Co...

http://i991.photobucket.com/albums/af32/riconc1/Concorde/Nozzle.jpgThis diagram shows just how the action of the two nozzles is able to help provide so much thrust at Mach 2. The 'cooling air' from...
Forum: Tech Log
10th Sep 2010, 07:19
Replies: 148
Views: 116,343
Posted By M2dude

The Division of Powerplant Thrust in Concorde

I hope that this diagram just might make matters a tiny bit clearer. It clearly shows how the propulsive thrust is divided up among the various components, particularly the intake. As the airlow...
Forum: Tech Log
9th Sep 2010, 14:28
Replies: 148
Views: 116,343
Posted By M2dude

Guys, another interesting Concorde thread...

Guys, another interesting Concorde thread (:D:O:ok:).
OK, the thrust thing. YES, the numbers are just about correct, what we have is propulsive thrust that without a perfectly matched engine/intake...
Showing results 1 to 32 of 32


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.