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Bulge In A330-200's Tail (@ Base)?  
User currently offline747-600X From United States of America, joined Jan 2000, 2792 posts, RR: 14
Posted (14 years 4 months 1 week 4 days 2 hours ago) and read 1908 times:

Check out this photo, full size probably works best, of an SR A330-200, and notice that there is a bulge near the base of the tail. What is this? Is it on all aircraft and I just've never seen it?

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Click here for full size photo!

Photo © Stefan Gruenig


Thanks!



"Mental health is reality at all cost." -- M. Scott Peck, 'The Road Less Traveled'
8 replies: All unread, jump to last
 
User currently offlineJet Setter From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 4 months 1 week 4 days ago) and read 1821 times:

I think, but I'm not 100%, that it's the fuel tank in the fin, which can also be found on the A310, A300-600R and possibly the A340. I don't think any other manufacturers use the "empty" space in the tail fin for fuel. I remember reading Boeing were considering it for the 777X - don't know if they rejected the idea.

User currently offline747-600X From United States of America, joined Jan 2000, 2792 posts, RR: 14
Reply 2, posted (14 years 4 months 1 week 4 days ago) and read 1809 times:

Can anyone confirm or deny this? I know the 747-400 has fuel in the horizontals, but I've never heard of it in the vertical tail itself.


"Mental health is reality at all cost." -- M. Scott Peck, 'The Road Less Traveled'
User currently offlineVC-10 From United Kingdom, joined Oct 1999, 3701 posts, RR: 34
Reply 3, posted (14 years 4 months 1 week 3 days 4 hours ago) and read 1770 times:
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The only a/c I am aware of that has a fin tank is the original RAF VC10's & the Super VC10.

The bulge at the base of the fin on Airbus a/c is the fairing for the fin attachment fittings. The aft fuel tank on Airbus's are in the Horizontal Stabiliser.


User currently offlineSammyk From United States of America, joined Oct 1999, 1690 posts, RR: 0
Reply 4, posted (14 years 4 months 1 week 3 days 3 hours ago) and read 1764 times:
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I've been wondering about this for years...everytime I brought it up (not here) people would say "huh?? What are you talking about??" So I let it go...

Anyways, why is it a bulge, why couldnt it have been made a nice smooth line between the fuselage and the fin? It looks like a giant weld mark...

Sammy


User currently offlineUal757 From United States of America, joined Sep 2006, 806 posts, RR: 3
Reply 5, posted (14 years 4 months 1 week 3 days 3 hours ago) and read 1763 times:

it's roumored that some have a small rederve in the tail, but i've never seen or offically heard of it.

User currently offlineTeahan From Germany, joined Nov 1999, 5294 posts, RR: 61
Reply 6, posted (14 years 4 months 1 week 3 days ago) and read 1745 times:

Could it be something to do with communications? Just my guess!

Jeremiah Teahan



Goodbye SR-LX MD-11 / 6th of March 1991 to the 31st of October 2004
User currently offlineWoodsboy From United States of America, joined Mar 2000, 1031 posts, RR: 2
Reply 7, posted (14 years 4 months 1 week 2 days 23 hours ago) and read 1740 times:

Yes, the 747-400 has fuel tanks in the verticle stab as does the MD-11. And its true the the Vickers VC-10 was the first aircraft to employ this technology much to its advantage in being able to manipulate its CG in flight to optimize cruise performance. And what a fantastic airplane the VC-10 was.....

I am not sure if the A330 does or not, but it is certainly possible. One could visit the Airbus website which has wonderful cutaways of their aircraft. Nice site in general actually.


User currently offlineFDXmech From United States of America, joined Mar 2000, 3251 posts, RR: 34
Reply 8, posted (14 years 4 months 1 week 2 days 23 hours ago) and read 1729 times:

The MD11 has a fuel tank in the horizontal stabilizer used mainly for control of center of gravity. There is no tank in the vertical stabilizer. The same goes for the A300-600 and A310, fuel in horizontal stabilizer (called the trim tank) but no fuel storage in the vert. stab.


You're only as good as your last departure.
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