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APU On The Dreamlifter?  
User currently offlineseahawks7757 From United States of America, joined Jul 2007, 160 posts, RR: 0
Posted (1 year 10 months 1 week 4 days 8 hours ago) and read 4249 times:

Hey guys,

was looking at this shot a friend of mine posted. It seems weird that the APU has a plug in it, does the aircraft even have an APU that it uses or is it just sealed?

http://www.flickr.com/photos/-jplphoto/8111669035/in/photostream


Thanks!

[Edited 2012-10-21 22:30:49]

6 replies: All unread, jump to last
 
User currently offlinen901wa From United States of America, joined Oct 2009, 457 posts, RR: 0
Reply 1, posted (1 year 10 months 1 week 4 days 7 hours ago) and read 4228 times:

Was just taking about that at work, and some inspectors went to do some contract work on the Dreamlifter. They said it didn't have a APU, the picture seals it to me. HTH

User currently offlinegordomatic From United States of America, joined Mar 2009, 93 posts, RR: 0
Reply 2, posted (1 year 10 months 1 week 4 days 7 hours ago) and read 4219 times:

Quoting seahawks7757 (Thread starter):
does the aircraft even have an APU that it uses or is it just sealed?

No APU, according to comments on this thread:
747 Dreamlifter Question? (by Venus6971 Mar 4 2007 in Tech Ops)

[Edited 2012-10-21 22:31:29]


We have clearance, Clarence. Roger, Roger. What's our vector, Victor?
User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 80
Reply 3, posted (1 year 10 months 1 week 3 days 21 hours ago) and read 3681 times:

Quoting seahawks7757 (Thread starter):
does the aircraft even have an APU

Nope. If it did, they'd have had to run the fuel lines and pneumatic ducts through the tail hinges...given that it only ever visits a very few airports, it was simpler just to remove the APU and use GSE carts.

Tom.


User currently onlineRoseflyer From United States of America, joined Feb 2004, 9607 posts, RR: 52
Reply 4, posted (1 year 10 months 1 week 3 days 18 hours ago) and read 3528 times:

Quoting seahawks7757 (Thread starter):
It seems weird that the APU has a plug in it, does the aircraft even have an APU that it uses or is it just sealed?

Like Tom said, there's no APU. Since the airplane only has to operate at very few airports, they don't need an APU since they can use ground equipment. Routing fuel and pneumatic ducts through the hinge would have been quite difficult. The hinge with its hydraulic tubes and flight controls cables is already complicated enough.



If you have never designed an airplane part before, let the real designers do the work!
User currently offlineseahawks7757 From United States of America, joined Jul 2007, 160 posts, RR: 0
Reply 5, posted (1 year 10 months 1 week 3 days 16 hours ago) and read 3440 times:

Thanks for the info guys!

User currently offlineHAWK21M From India, joined Jan 2001, 31679 posts, RR: 56
Reply 6, posted (1 year 10 months 1 week 3 days 3 hours ago) and read 3190 times:



In the Aft section open position there are no ducts heading aft........No APU.
Ground cart would service the purpose.

[Edited 2012-10-23 03:06:31]


Think of the brighter side!
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