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: DJohnsen
Showing results 1 to 19 of 19
Search took 0.00 seconds.
Forum: Rumours & News
14th Mar 2009, 16:10
Replies: 3,239
Views: 1,136,268
Posted By DJohnsen

Dark Man! I am aware of your first...

Dark Man!



I am aware of your first point about GE Wales, but where do you get the above "quote" from...?

Dag
Forum: Rumours & News
24th Aug 2008, 13:26
Replies: 2,686
Views: 1,138,018
Posted By DJohnsen

To FlyingOfficerKite! This has been...

To FlyingOfficerKite!



This has been tested several times and unless you have a problem with our EPR system for this particular engine, the engines provide the thrust they are indicating to...
Forum: Rumours & News
23rd Aug 2008, 18:48
Replies: 2,686
Views: 1,138,018
Posted By DJohnsen

Greetings! I am not going to comment on this...

Greetings!

I am not going to comment on this particular event, but the issue of having sensors to measure actual aircraft weight.

This system has been tried out on several aircraft models over...
Forum: Tech Log
22nd Jul 2005, 11:18
Replies: 6
Views: 1,649
Posted By DJohnsen

Greetings Enicalyth… although it is true that...

Greetings Enicalyth… although it is true that measuring and comparing SFC at sea level vs. cruise is totally absurd, I have looked at several performance numbers for a B777-200 fitted with PW 4000,...
Forum: Airlines, Airports & Routes
11th Jan 2005, 10:50
Replies: 5
Views: 2,508
Posted By DJohnsen

This is a classic example on how the news media...

This is a classic example on how the news media attempts to sensationalize any information... to make it newsworthy. The $500M was discussed back in November 04 and for those who are interested so...
Forum: Private Flying
5th Jan 2005, 10:43
Replies: 8
Views: 1,123
Posted By DJohnsen

Greetings CBG. There are several flying schools...

Greetings CBG. There are several flying schools at Hooks airport (KDWH), such as American Flyer, High Tech Aviation to mention a few, and I will check into if they offer JAA flight training. There...
Forum: Biz Jets, Ag Flying, GA etc.
5th Jan 2005, 10:31
Replies: 36
Views: 19,037
Posted By DJohnsen

A few years ago a PC12 experienced engine trouble...

A few years ago a PC12 experienced engine trouble somewhere off the coast of Japan and ditched. The crew was rescued within a few hours and the aircraft was last seen floating away...? There were...
Forum: Tech Log
22nd Nov 2004, 17:54
Replies: 15
Views: 5,066
Posted By DJohnsen

The initial concern here was to extend the APU...

The initial concern here was to extend the APU turbine life.

The earlier B737’s (-100 through –500) were fitted with a Garrett… AlliedSignal… Honeywell GTCP85-129 of some sort. Some airlines such...
Forum: Tech Log
21st Nov 2004, 12:36
Replies: 5
Views: 3,021
Posted By DJohnsen

Greetings “The Other Half”… As mentioned above...

Greetings “The Other Half”… As mentioned above there is never a simple answer. Let me give you another "twist" on your question regarding engine thrust. There are two primary methods of measuring...
Forum: Rumours & News
5th Oct 2004, 17:44
Replies: 32
Views: 11,730
Posted By DJohnsen

OK… this is turning into a Presidential Candidate...

OK… this is turning into a Presidential Candidate Debate and I like to end mine with these closing statements;

Three words… Context, Perspective and Reality.

1. Statements, such as Professor...
Forum: Rumours & News
4th Oct 2004, 23:24
Replies: 32
Views: 11,730
Posted By DJohnsen

After a good 17 years in this industry I do...

After a good 17 years in this industry I do consider myself having some level of knowledge in this area… and I was merely trying to shed some light on this topic without submitting a PhD level...
Forum: Rumours & News
4th Oct 2004, 02:42
Replies: 32
Views: 11,730
Posted By DJohnsen

Well thank you “lomapaseo”… Good summary! It is...

Well thank you “lomapaseo”… Good summary! It is often difficult to bring all aspects of a complex topic such as this into a forum “reply”. Also, certain individuals can’t be bothered having to...
Forum: Rumours & News
2nd Oct 2004, 12:56
Replies: 32
Views: 11,730
Posted By DJohnsen

Greetings... Just to shed some light on this...

Greetings... Just to shed some light on this issue. The fumes from synthetic turbine oil, such as AeroShell 560, BP2380, BP2197, MJO II, MJO 254 etc. are not toxic as commonly suggested. Now there...
Forum: Rumours & News
22nd Feb 2004, 20:22
Replies: 30
Views: 7,772
Posted By DJohnsen

nooluv... That's an interesting observation you...

nooluv... That's an interesting observation you are making here... because as far as I know... neither aircraft has flown yet... and thus the A380's performance "estimates" are just that......
Forum: Rumours & News
11th Jan 2004, 02:10
Replies: 47
Views: 13,678
Posted By DJohnsen

Mode7: "Old Aero Guy" is absolutely...

Mode7:

"Old Aero Guy" is absolutely correct and you can find this in FAA AC 120-42A...
Forum: Tech Log
3rd Jan 2004, 02:08
Replies: 4
Views: 1,908
Posted By DJohnsen

mainwheel... I'm not certain I'm reading you...

mainwheel... I'm not certain I'm reading you here... or to whom you are addressing...?

Anyway... the "math"... a CFM56-7B26 is "flat" rated to 26,300 lbs static thrust at sea level and a bypass...
Forum: Tech Log
2nd Jan 2004, 20:18
Replies: 4
Views: 1,908
Posted By DJohnsen

Kilo, I don't have the exact "net" reverse trust...

Kilo, I don't have the exact "net" reverse trust on a CFM56-7 but I know that an RB211-535 estimates 25-30% net reverse thrust. I doubt the CFM engines can produce substantially more than 30%... or...
Forum: Tech Log
20th Oct 2003, 08:28
Replies: 8
Views: 1,523
Posted By DJohnsen

Well... I don’t know the details of the B747...

Well... I don’t know the details of the B747 pneumatic system either… and how the PAX configuration differs from the freighter configuration…? I know the KC10’s dropped the “customer bleed” system...
Forum: Tech Log
18th Oct 2003, 21:27
Replies: 8
Views: 1,523
Posted By DJohnsen

Phil... it may very well be the fuselage "profile...

Phil... it may very well be the fuselage "profile drag" as pointed out... but what is the PAC or engine bleed flow rate difference between a B744 and a B744F...? I'm just speculating here... but I...
Showing results 1 to 19 of 19


 
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.