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Why The Scorpion Tail On The Tu154?  
User currently offlineSmithAir747 From Canada, joined Jan 2004, 1619 posts, RR: 29
Posted (8 years 11 months 2 weeks 2 days 21 hours ago) and read 3355 times:

I have seen (and photographed) the Tu154M at LHR several times (Pulkovo flies it there).

I've always wondered why the Tu154's tail has the sharp, pointy "scorpion sting" on its tail (the thing that points forward from the tail).

Anyone know why?

SmithAir747


I will praise thee; for I am fearfully and wonderfully made... (Psalm 139:14)
7 replies: All unread, jump to last
 
User currently offlineSovietjet From Bulgaria, joined Mar 2003, 2518 posts, RR: 17
Reply 1, posted (8 years 11 months 2 weeks 2 days 18 hours ago) and read 3282 times:
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On the Tu-134 that houses a radio so I'm 99% sure that's the case here. Same with the B707(although it's much sharper).

User currently offlineBully707 From Germany, joined Jan 2005, 1029 posts, RR: 0
Reply 2, posted (8 years 11 months 2 weeks 2 days 15 hours ago) and read 3245 times:
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Quoting Sovietjet (Reply 1):
Same with the B707(although it's much sharper).

Yes...that would be the HF antenna!!!
On Some 707 it can also be found on the wingtip....!!!

Bully



"That's the good thing about the 707...it can do anything, but read!" Joe Patroni, Airport '70
User currently offlineJwenting From Netherlands, joined Apr 2001, 10213 posts, RR: 19
Reply 3, posted (8 years 11 months 2 weeks 2 days 12 hours ago) and read 3213 times:

Another reason is to house the actuators for the stab (similar to the DC-9 series).
And in military service (what both the 134 and 154 were designed for) ECM equipment and possibly other countermeasures can be easily placed in a pod like that, easier than having to dig inside the fuselage for space to string wires for antennas.



I wish I were flying
User currently offlineSovietjet From Bulgaria, joined Mar 2003, 2518 posts, RR: 17
Reply 4, posted (8 years 11 months 2 weeks 1 day 22 hours ago) and read 3141 times:
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The Tu-134 "balkany" airborne command post has the special gear at the end of the fuselage. Other special versions do include fairings of sorts on the fuselage but they dont have anything but the radio antenna in the "scorpion sting".


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Photo © Maksim Kobzev



User currently offlineScbriml From United Kingdom, joined Jul 2003, 12028 posts, RR: 47
Reply 5, posted (8 years 11 months 2 weeks 1 day ago) and read 3015 times:
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Why? Because it just looks so cool!

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Photo © Steve Brimley




Hey AA, the 1960s called. They want their planes back!
User currently offlineHAWK21M From India, joined Jan 2001, 31568 posts, RR: 57
Reply 6, posted (8 years 11 months 2 weeks 9 hours ago) and read 2932 times:

Quoting Sovietjet (Reply 4):
"balkany"

Whats this story.
regds
MEL



Think of the brighter side!
User currently offlineSovietjet From Bulgaria, joined Mar 2003, 2518 posts, RR: 17
Reply 7, posted (8 years 11 months 1 week 6 days 22 hours ago) and read 2872 times:
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The Tu-134 "balkany" is a tactical airborne command post the name coming from the Balkany secure HF communications suite that it is fitted with. The 'sting" in the back is identical to the "scorpion tail" on the top of the fin. Also features an extra 4 blade aerials(one on top of fuselage, top of fin, two under rear fuselage). About 40 glass-nosed Tu-134As were converted to Balkany standard and they seat between 26-31 people in VIP configuration. Eventually after the collapse of the USSR some of the Balkanys became obsolete and were reconverted back to passenger configuration just like this one.

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Photo © Snorre - VIP Vienna International Planespotters


Notice how it's "chopped off" in the back


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