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GEnx Testing  
User currently offlineWarreng24 From United States of America, joined Nov 2005, 707 posts, RR: 0
Posted (7 years 7 months 4 weeks 2 hours ago) and read 3717 times:

Any news on the testing of the GEnx engine?

Has it been tested on the GE 747-100 flying testbed yet?

Any spotter photos?

12 replies: All unread, jump to last
 
User currently offline2H4 From United States of America, joined Oct 2004, 8955 posts, RR: 60
Reply 1, posted (7 years 7 months 4 weeks 2 hours ago) and read 3713 times:
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DATABASE EDITOR



At what airport is the 747 testbed based?


2H4





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User currently offlineF14D4ever From United States of America, joined May 2005, 319 posts, RR: 4
Reply 2, posted (7 years 7 months 4 weeks 2 hours ago) and read 3709 times:

Quoting 2H4 (Reply 1):
At what airport is the 747 testbed based?

In the Mojave Desert, at the site of the former George Air Force Base in Victorville, CA.



"He is risen, as He said."
User currently offline777WT From United States of America, joined Jan 2005, 875 posts, RR: 1
Reply 3, posted (7 years 7 months 4 weeks 1 hour ago) and read 3699 times:

Quoting F14D4ever (Reply 2):
In the Mojave Desert, at the site of the former George Air Force Base in Victorville, CA.

I believe that is incorrect.

GE leased the 747 test bed from a museum for testing their engines...funny to see a GE engine on a all pratts 747.


User currently offlineIFIXCF6 From United States of America, joined Sep 2004, 108 posts, RR: 0
Reply 4, posted (7 years 7 months 3 weeks 5 days 19 hours ago) and read 3576 times:

The GE 747 (N747GE) is alive and well at VCV. Even with a majority of Pratts.

Mike


User currently offlineF14D4ever From United States of America, joined May 2005, 319 posts, RR: 4
Reply 5, posted (7 years 7 months 3 weeks 5 days 2 hours ago) and read 3485 times:

Quoting 777WT (Reply 3):
I believe that is incorrect.

GE leased the 747 test bed from a museum for testing their engines

What part do you believe to be incorrect? You certainly haven't offered anything that contradicts my statement. It most certainly does reside at Victorville.

At the time of its acquisition by GE Aircraft Engines in 1993 it was to have been on a ten year lease. It is believed to have been purchased by GEAE off lease for a nominal fee. It was utilized for testing the CFM56-7, GE90, CF34-8, CF34-10, and GP7200, among others.

FWIW, the GE flying testbed is a former Pan Am bird:

View Large View Medium
Click here for bigger photo!

Photo © Gerhard Plomitzer
View Large View Medium
Click here for bigger photo!

Photo © Serge Bailleul - AirTeamImages




"He is risen, as He said."
User currently offlineJetlife2 From United States of America, joined Jul 2006, 221 posts, RR: 25
Reply 6, posted (7 years 7 months 3 weeks 5 days 1 hour ago) and read 3474 times:

This should get you started

Includes video and pics

http://www.geae.com/engines/commercial/genx/fett.html

Flight test engines are in assy. now, have not flown yet.

Regards


User currently offlineGrandTheftAero From United States of America, joined Nov 2003, 254 posts, RR: 5
Reply 7, posted (7 years 7 months 3 weeks 5 days 1 hour ago) and read 3463 times:

Quoting 777WT (Reply 3):
GE leased the 747 test bed from a museum for testing their engines

You are thinking about Pratt and Whitney. The very first 747, RA001, from the Museum of Flight in Seattle was used to flight test their first powerplant offering for the 777.


User currently offlineFLY2HMO From , joined Dec 1969, posts, RR:
Reply 8, posted (7 years 7 months 3 weeks 4 days 21 hours ago) and read 3416 times:

Quoting GrandTheftAero (Reply 7):
The very first 747, RA001, from the Museum of Flight in Seattle was used to flight test their first powerplant offering for the 777.

Wasn't that the one that they supposedly leased for only $1?

There's some myth/rumor/urban legend about one of those engine testbeds being leased for a buck.


User currently offlineZvezda From Lithuania, joined Aug 2004, 10511 posts, RR: 64
Reply 9, posted (7 years 7 months 3 weeks 2 days 7 hours ago) and read 3299 times:

Quoting Jetlife2 (Reply 6):
http://www.geae.com/engines/commercial/genx/fett.html

What is the purpose of the very large black ball?


User currently offlineDarkBlue From United States of America, joined Sep 2003, 233 posts, RR: 10
Reply 10, posted (7 years 7 months 3 weeks 2 days 7 hours ago) and read 3295 times:

Quoting Zvezda (Reply 9):
What is the purpose of the very large black ball?

It's called a Turbulence Control Structure (or TCS dome). It's made of 3" panels with thousands of holes to straighten and smooth out the incoming flow. Very useful on windy days.

[Edited 2006-12-11 16:13:59]

User currently offlineKBFIspotter From United States of America, joined May 2005, 729 posts, RR: 1
Reply 11, posted (7 years 7 months 3 weeks 2 days 7 hours ago) and read 3277 times:

Quoting FLY2HMO (Reply 8):
Wasn't that the one that they supposedly leased for only $1?

There's some myth/rumor/urban legend about one of those engine testbeds being leased for a buck.

Pratt did not lease it from the MoF... Boeing did. And yes, it is said that they leased it for only $1. Boeing refurbished it and used it as a testbed for the Pratt and Rolls engines on the T7.

Kris



Proud to be an A&P!!!
User currently offlineZvezda From Lithuania, joined Aug 2004, 10511 posts, RR: 64
Reply 12, posted (7 years 7 months 3 weeks 7 hours ago) and read 3144 times:

Quoting DarkBlue (Reply 10):
It's called a Turbulence Control Structure (or TCS dome). It's made of 3" panels with thousands of holes to straighten and smooth out the incoming flow. Very useful on windy days.

Thanks! That makes sense.


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