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What are these protruding elements from SU-27's tail?
What does an Air Battle Manager do?What UK aircraft looks like an Islander but with twin fins?What are these boxes built into the tails of some fighters?What are these two tail elements of the Avro RJ100?What is this on the starboard engine of the Dash 8?What are these parts on Super Etendard?What are these windows/portholes on the English Electric Canberra bomber?What are these openings on the TBD/TBM Avenger?What are these clip-like things?What are these panels underneath the wing root of a A380?
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I recently saw in person SU-27 belonging to the Ukrainian Air Force. I spotted some protruding elements from its tail and I'm wondering what are they called and what do they do?
military fighter feature-identification russia su-27
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I recently saw in person SU-27 belonging to the Ukrainian Air Force. I spotted some protruding elements from its tail and I'm wondering what are they called and what do they do?
military fighter feature-identification russia su-27
New contributor
$endgroup$
add a comment |
$begingroup$
I recently saw in person SU-27 belonging to the Ukrainian Air Force. I spotted some protruding elements from its tail and I'm wondering what are they called and what do they do?
military fighter feature-identification russia su-27
New contributor
$endgroup$
I recently saw in person SU-27 belonging to the Ukrainian Air Force. I spotted some protruding elements from its tail and I'm wondering what are they called and what do they do?
military fighter feature-identification russia su-27
military fighter feature-identification russia su-27
New contributor
New contributor
New contributor
asked 11 hours ago
BassAstralBassAstral
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132 bronze badges
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1 Answer
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I believe that these are static discharge wicks. You can see similarly sized/shaped wicks on a 1/32 scale models of the SU-27, as discussed here, but, more importantly, you can find them labeled with number 29 on the cutaway drawing below from the September 1998 issue of AIR International magazine.
These are distinct from the shape of the wicks found on most GA aircraft in the US (just a straight stub of wire, potentially with some insulation around the base), but, as discussed on Aerospaceweb, the shaping of the wick (particularly the inverted cone shape shown here) contributes to increasing the gradient in the electric field from tip to base of the wick. This encourages accumulated charge to migrate back into the atmosphere from a controlled point and decreases interference with on-board electronics and radio systems.
$endgroup$
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
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– DeepSpace
7 hours ago
$begingroup$
Thanks! I've added it to the answer.
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– Marius
3 hours ago
add a comment |
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1 Answer
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$begingroup$
I believe that these are static discharge wicks. You can see similarly sized/shaped wicks on a 1/32 scale models of the SU-27, as discussed here, but, more importantly, you can find them labeled with number 29 on the cutaway drawing below from the September 1998 issue of AIR International magazine.
These are distinct from the shape of the wicks found on most GA aircraft in the US (just a straight stub of wire, potentially with some insulation around the base), but, as discussed on Aerospaceweb, the shaping of the wick (particularly the inverted cone shape shown here) contributes to increasing the gradient in the electric field from tip to base of the wick. This encourages accumulated charge to migrate back into the atmosphere from a controlled point and decreases interference with on-board electronics and radio systems.
$endgroup$
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
7 hours ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
3 hours ago
add a comment |
$begingroup$
I believe that these are static discharge wicks. You can see similarly sized/shaped wicks on a 1/32 scale models of the SU-27, as discussed here, but, more importantly, you can find them labeled with number 29 on the cutaway drawing below from the September 1998 issue of AIR International magazine.
These are distinct from the shape of the wicks found on most GA aircraft in the US (just a straight stub of wire, potentially with some insulation around the base), but, as discussed on Aerospaceweb, the shaping of the wick (particularly the inverted cone shape shown here) contributes to increasing the gradient in the electric field from tip to base of the wick. This encourages accumulated charge to migrate back into the atmosphere from a controlled point and decreases interference with on-board electronics and radio systems.
$endgroup$
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
7 hours ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
3 hours ago
add a comment |
$begingroup$
I believe that these are static discharge wicks. You can see similarly sized/shaped wicks on a 1/32 scale models of the SU-27, as discussed here, but, more importantly, you can find them labeled with number 29 on the cutaway drawing below from the September 1998 issue of AIR International magazine.
These are distinct from the shape of the wicks found on most GA aircraft in the US (just a straight stub of wire, potentially with some insulation around the base), but, as discussed on Aerospaceweb, the shaping of the wick (particularly the inverted cone shape shown here) contributes to increasing the gradient in the electric field from tip to base of the wick. This encourages accumulated charge to migrate back into the atmosphere from a controlled point and decreases interference with on-board electronics and radio systems.
$endgroup$
I believe that these are static discharge wicks. You can see similarly sized/shaped wicks on a 1/32 scale models of the SU-27, as discussed here, but, more importantly, you can find them labeled with number 29 on the cutaway drawing below from the September 1998 issue of AIR International magazine.
These are distinct from the shape of the wicks found on most GA aircraft in the US (just a straight stub of wire, potentially with some insulation around the base), but, as discussed on Aerospaceweb, the shaping of the wick (particularly the inverted cone shape shown here) contributes to increasing the gradient in the electric field from tip to base of the wick. This encourages accumulated charge to migrate back into the atmosphere from a controlled point and decreases interference with on-board electronics and radio systems.
edited 4 mins ago
sanmai
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1032 bronze badges
answered 9 hours ago
MariusMarius
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2,8239 silver badges20 bronze badges
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
7 hours ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
3 hours ago
add a comment |
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
7 hours ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
3 hours ago
1
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
7 hours ago
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
7 hours ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
3 hours ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
3 hours ago
add a comment |
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