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What are these protruding elements from SU-27's tail?
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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
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add a comment |
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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 2 days ago
BassAstralBassAstral
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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 53 on the cutaway drawing below. The label is written as Разрядники статического злектричества, which, according to Google Translate, is "ESD arrestor" (or static discharge wick).
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
2 days ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
2 days ago
1
$begingroup$
ah, the good old days when aviation magazines has real content
$endgroup$
– jwenting
2 days ago
$begingroup$
Oops -- noticed that the cutaway that was up for an SU-35. Corrected!
$endgroup$
– Marius
yesterday
add a comment |
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1 Answer
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1 Answer
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active
oldest
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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 53 on the cutaway drawing below. The label is written as Разрядники статического злектричества, which, according to Google Translate, is "ESD arrestor" (or static discharge wick).
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
2 days ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
2 days ago
1
$begingroup$
ah, the good old days when aviation magazines has real content
$endgroup$
– jwenting
2 days ago
$begingroup$
Oops -- noticed that the cutaway that was up for an SU-35. Corrected!
$endgroup$
– Marius
yesterday
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 53 on the cutaway drawing below. The label is written as Разрядники статического злектричества, which, according to Google Translate, is "ESD arrestor" (or static discharge wick).
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
2 days ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
2 days ago
1
$begingroup$
ah, the good old days when aviation magazines has real content
$endgroup$
– jwenting
2 days ago
$begingroup$
Oops -- noticed that the cutaway that was up for an SU-35. Corrected!
$endgroup$
– Marius
yesterday
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 53 on the cutaway drawing below. The label is written as Разрядники статического злектричества, which, according to Google Translate, is "ESD arrestor" (or static discharge wick).
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 53 on the cutaway drawing below. The label is written as Разрядники статического злектричества, which, according to Google Translate, is "ESD arrestor" (or static discharge wick).
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 yesterday
answered 2 days ago
MariusMarius
2,8639 silver badges21 bronze badges
2,8639 silver badges21 bronze badges
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
2 days ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
2 days ago
1
$begingroup$
ah, the good old days when aviation magazines has real content
$endgroup$
– jwenting
2 days ago
$begingroup$
Oops -- noticed that the cutaway that was up for an SU-35. Corrected!
$endgroup$
– Marius
yesterday
add a comment |
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
2 days ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
2 days ago
1
$begingroup$
ah, the good old days when aviation magazines has real content
$endgroup$
– jwenting
2 days ago
$begingroup$
Oops -- noticed that the cutaway that was up for an SU-35. Corrected!
$endgroup$
– Marius
yesterday
1
1
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
2 days ago
$begingroup$
These are indeed static discharges as can be seen in this cutaway (number 29)
$endgroup$
– DeepSpace
2 days ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
2 days ago
$begingroup$
Thanks! I've added it to the answer.
$endgroup$
– Marius
2 days ago
1
1
$begingroup$
ah, the good old days when aviation magazines has real content
$endgroup$
– jwenting
2 days ago
$begingroup$
ah, the good old days when aviation magazines has real content
$endgroup$
– jwenting
2 days ago
$begingroup$
Oops -- noticed that the cutaway that was up for an SU-35. Corrected!
$endgroup$
– Marius
yesterday
$begingroup$
Oops -- noticed that the cutaway that was up for an SU-35. Corrected!
$endgroup$
– Marius
yesterday
add a comment |
BassAstral is a new contributor. Be nice, and check out our Code of Conduct.
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