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Search: Posts Made By: Sootikin
Showing results 1 to 17 of 17
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Forum: Tech Log
8th Feb 2008, 15:18
Replies: 12
Views: 8,327
Posted By Sootikin

Shaft Speeds in G/H/-T

It's even more confusing than some might think.

The percentage / shaft speeds relations quoted previously are purely reference numbers, and are not the actual operating limits. (I believe that...
Forum: Rumours & News
3rd Aug 2005, 07:13
Replies: 592
Views: 291,164
Posted By Sootikin

Just noticed a revealing quote from a press...

Just noticed a revealing quote from a press conference :

"The plane burned ..... but every passenger could get off the plane prior to the burning," Air France spokesman Jerome Guyen said. "That's...
Forum: Tech Log
29th Jul 2005, 14:19
Replies: 10
Views: 1,926
Posted By Sootikin

Well, I sit corrected ! Thank you. I guess...

Well, I sit corrected ! Thank you.

I guess this is why RR's share price keeps rising, and PW seem to be disappearing and a Civil Engine producer.
Forum: Tech Log
28th Jul 2005, 10:58
Replies: 10
Views: 1,926
Posted By Sootikin

"RB211 ... of the worlds 757s is more fuel...

"RB211 ... of the worlds 757s is more fuel efficient than the PW 2037."

I had heard that the 2037 has a slightly better efficiency than the 535E4, but that its unpopularity stems from an awfully...
Forum: Tech Log
27th Jul 2005, 07:06
Replies: 10
Views: 1,926
Posted By Sootikin

I'm not sure which gas is used on manufacture,...

I'm not sure which gas is used on manufacture, but I believe that there's a vacuum inside the finished fan blades. There's a piece of GSE called a Tap Tester which is used in checking for cracks in...
Forum: Tech Log
12th May 2005, 07:29
Replies: 26
Views: 5,196
Posted By Sootikin

> which is why BA are only operators of 767's...

> which is why BA are only operators of 767's with RR's.

I assume you've never heard of Yunnan and QANTAS.
I guess you meant to type "...which is why BA are THE MAIN operators of 767's with...
Forum: Rumours & News
11th Apr 2005, 11:26
Replies: 19
Views: 7,988
Posted By Sootikin

Surely the answer to Bird Strike Risk is easy. ...

Surely the answer to Bird Strike Risk is easy.

Lets gets rid of these modern, quiet, low-emissions engines. Go back to Speys, Olympuses and JT9's.

Scare the birds off high volume screeching...
Forum: Tech Log
18th Mar 2005, 08:18
Replies: 12
Views: 3,066
Posted By Sootikin

> With regards to nomenclature, is it true that...

> With regards to nomenclature, is it true that the proper name for
> a Trent 700 (for example) is something like RB211-Trent-700 etc.?

The full name is, for example
RB211-Trent-768-60/99 ...
Forum: Tech Log
13th Mar 2005, 21:34
Replies: 12
Views: 3,066
Posted By Sootikin

Yes, the 524G was the first RB211-524 with Wide...

Yes, the 524G was the first RB211-524 with Wide Chord Fan Blades, though it used the technology developed for the RB211-535E4 engine. Now, they are everywhere.

RR did consider selling the WCFB as...
Forum: Tech Log
11th Mar 2005, 07:55
Replies: 12
Views: 3,066
Posted By Sootikin

>If so, what exactly is the HT mod? Couldn't find...

>If so, what exactly is the HT mod? Couldn't find much on the Rolls website.

Right, something I can answer.

Early/mid 1980's, Boeing were developing the 747-400, and RR wanted a piece of the...
Forum: Tech Log
16th Feb 2005, 15:05
Replies: 41
Views: 7,709
Posted By Sootikin

FakePilot : >Consider: A 737 with 2 engines...

FakePilot :
>Consider: A 737 with 2 engines produces max 50K thrust. But it
>can lift and hold some 130K pounds. So in this case, you get >80K pounds for "free."

This time, a reply without...
Forum: Tech Log
14th Feb 2005, 07:24
Replies: 41
Views: 7,709
Posted By Sootikin

>Consider: A 737 with 2 engines produces max 50K...

>Consider: A 737 with 2 engines produces max 50K thrust. But it
>can lift and hold some 130K pounds. So in this case, you get
>80K pounds for "free."


Atsa nothing. Consider a glider. No...
Forum: Questions
16th Dec 2004, 09:42
Replies: 3
Views: 1,483
Posted By Sootikin

ETOPS Approval...now there's a subject that could...

ETOPS Approval...now there's a subject that could occupy several threads.

Basically, if you're in Europe, the rules are currently in JAR-OPS, but the JAA will charge you money to read it.
...
Forum: Questions
15th Nov 2004, 07:49
Replies: 6
Views: 1,984
Posted By Sootikin

Spooling up times

You are aware (of course) that there is an engine certification requirement for slam acceleration response. JAR-E 745, IIRC, :

For all Engines, an increase can be made from 15% of the rated...
Forum: Tech Log
9th Nov 2004, 10:36
Replies: 3
Views: 1,660
Posted By Sootikin

The 524D4

I think I can help there...

RB211-524D4, D4-B
Max Take Off 51,980 lb
Max Continuous 47,320 lb

RB211-524D4X, D4X-B
Max Take Off 52,810 lb
Max Continuous ...
Forum: Aviation History and Nostalgia
30th Oct 2004, 12:09
Replies: 26
Views: 6,402
Posted By Sootikin

Zooming around

Someone mentioned the excellent power-to-weight performance of the 757.

Well, as you probably all know, the Ruskies did their own "Chinese Copy" (?!) of the B757 , the Tupolev 204. (As an aside,...
Forum: Rumours & News
29th Oct 2004, 07:43
Replies: 146
Views: 60,075
Posted By Sootikin

Just the facts, Lu

Mr Z, you seem very insistent on blaming the engines...a previous bad experience ?

Rereading the official report, page 16 :

In fact, it’s a requirement for the airline who installs the core...
Showing results 1 to 17 of 17


 
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