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in a barely 12-sec clip we get: • effective shift in register—smooth transition from chest to head • diaphragm control while sitting down, allowing; - excellent breathing technique - volume control—smooth crescendo and diminuendo • intonation tht reflects lyrical emotion by adding slight vibrato at the end 👏 Kihyun,...

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(REST) Ayla

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21,451 просмотров • 1 год назад •via X (Twitter)

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As the New York Times put it: “Among the singers, V is the lustiest and the most powerful.” Notice how Kim Taehyung's tone remains light and airy, yet carries enough brilliance, richness, and control to convey emotion without relying on the weight of chest voice or a fully developed head voice. Taehyung demonstrates excellent command of what is commonly referred to as a reinforced falsetto. In this technique, he maintains the underlying mechanism of falsetto — a register that is naturally lighter and lacks the full weight of the modal (chest) voice — while adding several elements that make the sound significantly richer and more expressive. These elements include: • Greater vocal fold closure (adduction), creating increased glottal compression and reducing the excessive breathiness typically associated with pure falsetto. • Efficient breath support, with well-controlled subglottal pressure, providing stability, sustain, and precise control over the vocal production. • Resonance adjustments, including the use of twang and vocal tract shaping, which enhance projection, brightness, and vocal presence. The result is a vocal production that preserves the lightness and delicacy of falsetto while gaining considerably more body, focus, and power. Rather than sounding overly breathy or fragile, the voice projects with remarkable clarity and sustain, effortlessly filling a stadium while retaining its ethereal, velvety quality. #Kimtaehyung #Taehyung #V #BTSV
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As the New York Times put it: “Among the singers, V is the lustiest and the most powerful.” Notice how Kim Taehyung's tone remains light and airy, yet carries enough brilliance, richness, and control to convey emotion without relying on the weight of chest voice or a fully developed head voice. Taehyung demonstrates excellent command of what is commonly referred to as a reinforced falsetto. In this technique, he maintains the underlying mechanism of falsetto — a register that is naturally lighter and lacks the full weight of the modal (chest) voice — while adding several elements that make the sound significantly richer and more expressive. These elements include: • Greater vocal fold closure (adduction), creating increased glottal compression and reducing the excessive breathiness typically associated with pure falsetto. • Efficient breath support, with well-controlled subglottal pressure, providing stability, sustain, and precise control over the vocal production. • Resonance adjustments, including the use of twang and vocal tract shaping, which enhance projection, brightness, and vocal presence. The result is a vocal production that preserves the lightness and delicacy of falsetto while gaining considerably more body, focus, and power. Rather than sounding overly breathy or fragile, the voice projects with remarkable clarity and sustain, effortlessly filling a stadium while retaining its ethereal, velvety quality. #Kimtaehyung #Taehyung #V #BTSV

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The Writing Is on the Wall: ANC Rejected by the People‼️‼️‼️ The end of ANC governance is drawing closer and it is an exciting prospect. From 42% to 16% in Ward 17 (Mningi Biliya) King Cetshwayo, the decline is undeniable. May this trajectory continue into the 2026 local government elections and beyond. Here are the Results: 1. Apartheid Collaborators, IFP: 62% (up from 51%) 2. Zuma’s MK Party : 21% 3. Cat Matlala’s Criminal Syndicate, ANC: 16% (down from 42%) This outcome reflects a decisive shift in political consciousness. Communities are moving away from a failing liberation movement and embracing “alternatives” that they believe can deliver change.

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It's beautiful to hear Kim Taehyung's ability to transition between low, medium, and high registers, alternating between different tones, vocal techniques, and dynamics, delivering all of this on stage with grace and technical control, expressiveness, interpretation, and style. Taehyung, who possesses the widest vocal range and tessitura in BTS, goes from a C3 (dense edge register/chest voice, in “Love me Again”) to an E5 (flageolet register/thin edge, in “My Universe”), without tension or excessive vocal effort. His voice exhibits the strength and range of both vocal categories (baritone ↔ tenor). Technically, what allows Taehyung to explore these vocal possibilities is his vocal range and tessitura. He is what we call a “BARITENOR”. A baritenor is a type of male voice that combines characteristics of a baritone and a tenor, possessing a vocal tessitura that transitions between the low register of a baritone and the high register of a tenor, but with a generally darker, fuller, and richer timbre than that of a typical tenor. #KimTaehyung #V #Taehyung

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Drop the high reps and endless volume for four to six heavy reps, with at least three rest days a week, and the first month feels like getting away with something. For years you buried yourself under a fatigue that never fully cleared. Every session started a little tired. Every set performed on a muscle still repairing the last beating. Your strongest fibres, the fast-twitch ones carrying nearly all the growth potential, are the first to switch off when you're run down, so you were barely reaching them at all. Take the volume away, give the body real time to recover, and that fatigue finally lifts. The fibres that were hiding come back online. The weights jump. You walk in fresh and walk out stronger, week after week, and assume it's a fluke that will surely end soon. It doesn't end. It feels like a honeymoon because it is one. You spent years married to the fatigue and mistook it for the work.

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Here's the raw clip of people at EDC Las Vegas climbing up the wall to get out of the crowd crush at John Summit. This was a super intense moment, and should never have been allowed to happen. Moments after, someone was thrown down from the V.I.P. balcony - head first - by security. We have the security on camera and have contacted the event organiser, but are yet to hear a reply. We've since learned those climbing the wall were rushing to get their diabetes medication. It's Peace, Love, Unity & Respect - until it's not. Full video in the replies.

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“There is a tension between what the users of a currency want – and the users of a currency tend to like freedom, autonomy, and discretion as to what they spent their money on – and what the issuers of a currency want; and bluntly, the issuers of a currency want control. Control of monetary policy, and control of you.” The Bank of England’s consultation papers make very clear the level of control that they wish to exercise over you, and over your supposed financial autonomy, if you were to use their #DigitalPound. (1) You’ll need to provide ID in order to use the #DigitalPound: “For the digital pound, tiered access would allow for different levels of user access and functionality based on the amount of identification (ID) a user is willing or able to provide.” (2) The Bank will dictate how much you can hold: “The Bank would place some limits on holdings of digital pounds, at least during its introductory period.” (3) The digital pound will be programmable, if not by the Bank itself then by third party providers: “Programmability, delivered by Payment Interface Providers, could also enable the use of smart contracts, which carry out specific actions based on pre-defined terms and conditions.” Quotes are from from the Bank of England’s Digital Pound consultation paper: Whatever the #DigitalPound will be, it won’t be cash. Cash does not require me to show ID to use it. I can hold as much cash as I want or need. And, along with #Bitcoin, cash is a bearer instrument whose title is freely transferrable upon delivery, which is very difficult for a central bank to control. And long may it stay this way. A huge shout out and thank you to Lyn Alden, who made this point much more eloquently than I did in her excellent book #BrokenMoney. Thank you! Also I’m aware that my hand gestures in this clip are reminiscent of Richard Hendricks manipulating ‘datas’ on stage at TechCrunch Disrupt in #SiliconValley, and for this I can only apologize: #BitcoinConference #Amsterdam #NoToCBDCs
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“There is a tension between what the users of a currency want – and the users of a currency tend to like freedom, autonomy, and discretion as to what they spent their money on – and what the issuers of a currency want; and bluntly, the issuers of a currency want control. Control of monetary policy, and control of you.” The Bank of England’s consultation papers make very clear the level of control that they wish to exercise over you, and over your supposed financial autonomy, if you were to use their #DigitalPound. (1) You’ll need to provide ID in order to use the #DigitalPound: “For the digital pound, tiered access would allow for different levels of user access and functionality based on the amount of identification (ID) a user is willing or able to provide.” (2) The Bank will dictate how much you can hold: “The Bank would place some limits on holdings of digital pounds, at least during its introductory period.” (3) The digital pound will be programmable, if not by the Bank itself then by third party providers: “Programmability, delivered by Payment Interface Providers, could also enable the use of smart contracts, which carry out specific actions based on pre-defined terms and conditions.” Quotes are from from the Bank of England’s Digital Pound consultation paper: Whatever the #DigitalPound will be, it won’t be cash. Cash does not require me to show ID to use it. I can hold as much cash as I want or need. And, along with #Bitcoin, cash is a bearer instrument whose title is freely transferrable upon delivery, which is very difficult for a central bank to control. And long may it stay this way. A huge shout out and thank you to Lyn Alden, who made this point much more eloquently than I did in her excellent book #BrokenMoney. Thank you! Also I’m aware that my hand gestures in this clip are reminiscent of Richard Hendricks manipulating ‘datas’ on stage at TechCrunch Disrupt in #SiliconValley, and for this I can only apologize: #BitcoinConference #Amsterdam #NoToCBDCs

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We partnered with MetaMask 🦊 Rewards Season 1 to award points based on where you finished in the last Wave of our rewards program. Depending on your Chest level, you might have MetaMask points waiting for you. We also have a ref code for bonus points. Here are the details: If you haven’t opted into MetaMask Rewards yet, use referral code OPNSEA to get 500 bonus points. To do that: - Update MetaMask mobile to v7.56+ - Open MetaMask and go to the Rewards tab - Opt in and enter OPNSEA MetaMask Rewards points by Chest tier, which will be delivered at a future date: - Opt-in + referral bonus: 500 - Iron–Steel: 100 - Titanium–Cobalt: 250 - Amethyst–Sapphire: 500 - Ruby–Diamond: 1,000 The wallet you sign up with must match your corresponding OpenSea wallet where you receive your Treasure Chest. Opt in by Friday (1/16) to get the points at a later date.

OpenSea

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This post about bench press safety escaped containment and got a lot of people commenting in disagreement that safeties/spotter arms would've saved him. And in truth, my language below was a little too absolute: safeties MIGHT have saved his life (though even if so, would not have prevented all damage), but it's far from certain that they would have, so I stand by the overall sentiment. I will explain in detail below. The spotter arms have to be set below the top of your arched chest or else they’ll interfere with every rep - you'll clang the bar on the safeties, which not only severely interrupts proper technique and performance, but can also be potentially injurious in its own right as the clanging against the safeties takes you out of the rhythm of the rep and leads to uneven and chaotic force application demands mid-rep. The safeties can’t be set a mere milimeter or even a half inch below the chest: both because most racks have 2-3 inch hole spacings that don't allow such finely calibrated setting, but even if they do - also because as a gross movement pattern, not a fine movement pattern, you can’t control the movement of the bar precisely and accurately enough not to clang the safeties if they’re so close to your chest. Human beings performing gross movement patterns simply lack such fine control: on heavy sets, the bar might be slightly uneven on one side, you might lose a touch of your arch over the course of the set, etc... and end up clanging the safeties anyway, if they're set so close to the top of your arched chest. These issues are not form errors that can be prevented with proper training, but are inherent limitations in the human capability to control gross motor pattern movements at a heavy weight. Thus, the safeties have to be far enough below your chest in order to not interfere with the set itself, such that they can’t possibly catch the bar before it hits your chest in the case of a sudden catastrophic drop. The proper placement for the safeties is far enough below your chest so as not to interfere with the normal execution of the set and so the bar never touches the safeties at all during the set, even with the inherent human limitations of gross motor pattern control. But high enough such tha - if you find yourself unable to successfully press the bar to lockout - you can bring the bar under control back down to your chest, exhale and drop your arch, and the bar will ideally now rest on the safeties instead of your chest and you can crawl and slither out from under it. Worst case, you can roll the bar slightly upwards and the safeties will soon take it, well before it would lie on your neck. I have an example of using the safeties this way in the video below, with 485 lbs. The ability to set this position with precision and accuracy depends on the equipment you're using: Some racks/benches have 1 inch spacings for this purpose, which is excellent and allows greater precision in safety placement, but most common racks have 2-3 inches between holes and thus people must often have the safeties a little lower than they'd ideally be. The main point is the proper use and purpose of safeties in the bench press is not really to catch a very rare catastrophic sudden drop onto your chest, but to allow you to survive the much more common situation of a normal failed rep. Could they theoretically save your life in such a situation where you drop it? Yes, they might. They won't stop the bar before it hits your chest but they might reduce the impact by stopping the bar from going further down and reducing the impact. This may or may not save your life in this rare catastrophic drop situation - it's good to have them there, set up anyway, but it's far from a sure bet. The most important things you can do are to learn and practice good technique, which involves stiff wrists in a very slightly bent back position, and thumbs around the barbell - NO SUICIDE GRIP. The safeties won't catch the bar and stop it from hitting your chest, so it's best to reduce the chances of dropping the bar on your chest from almost zero to even closer to almost zero. I've been bench pressing regularly for well over 20 years, always put my thumbs around the bar, and have never dropped it on myself. Nor has anyone I have coached to the best of my memory, over tens of thousands of sets and hundreds of thousands of reps. I have used safeties to successfully avoid getting trapped under the bar after a failed rep. In the video below, I tweaked my pec while pushing through a rep at 485 and had to set the bar on the pins to avoid getting trapped under it. This kind of situation is the primary use for the safeties. It's good to have them set up regardless - they might indeed save you if you somehow still manage to drop the bar, but they also very well might not.
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This post about bench press safety escaped containment and got a lot of people commenting in disagreement that safeties/spotter arms would've saved him. And in truth, my language below was a little too absolute: safeties MIGHT have saved his life (though even if so, would not have prevented all damage), but it's far from certain that they would have, so I stand by the overall sentiment. I will explain in detail below. The spotter arms have to be set below the top of your arched chest or else they’ll interfere with every rep - you'll clang the bar on the safeties, which not only severely interrupts proper technique and performance, but can also be potentially injurious in its own right as the clanging against the safeties takes you out of the rhythm of the rep and leads to uneven and chaotic force application demands mid-rep. The safeties can’t be set a mere milimeter or even a half inch below the chest: both because most racks have 2-3 inch hole spacings that don't allow such finely calibrated setting, but even if they do - also because as a gross movement pattern, not a fine movement pattern, you can’t control the movement of the bar precisely and accurately enough not to clang the safeties if they’re so close to your chest. Human beings performing gross movement patterns simply lack such fine control: on heavy sets, the bar might be slightly uneven on one side, you might lose a touch of your arch over the course of the set, etc... and end up clanging the safeties anyway, if they're set so close to the top of your arched chest. These issues are not form errors that can be prevented with proper training, but are inherent limitations in the human capability to control gross motor pattern movements at a heavy weight. Thus, the safeties have to be far enough below your chest in order to not interfere with the set itself, such that they can’t possibly catch the bar before it hits your chest in the case of a sudden catastrophic drop. The proper placement for the safeties is far enough below your chest so as not to interfere with the normal execution of the set and so the bar never touches the safeties at all during the set, even with the inherent human limitations of gross motor pattern control. But high enough such tha - if you find yourself unable to successfully press the bar to lockout - you can bring the bar under control back down to your chest, exhale and drop your arch, and the bar will ideally now rest on the safeties instead of your chest and you can crawl and slither out from under it. Worst case, you can roll the bar slightly upwards and the safeties will soon take it, well before it would lie on your neck. I have an example of using the safeties this way in the video below, with 485 lbs. The ability to set this position with precision and accuracy depends on the equipment you're using: Some racks/benches have 1 inch spacings for this purpose, which is excellent and allows greater precision in safety placement, but most common racks have 2-3 inches between holes and thus people must often have the safeties a little lower than they'd ideally be. The main point is the proper use and purpose of safeties in the bench press is not really to catch a very rare catastrophic sudden drop onto your chest, but to allow you to survive the much more common situation of a normal failed rep. Could they theoretically save your life in such a situation where you drop it? Yes, they might. They won't stop the bar before it hits your chest but they might reduce the impact by stopping the bar from going further down and reducing the impact. This may or may not save your life in this rare catastrophic drop situation - it's good to have them there, set up anyway, but it's far from a sure bet. The most important things you can do are to learn and practice good technique, which involves stiff wrists in a very slightly bent back position, and thumbs around the barbell - NO SUICIDE GRIP. The safeties won't catch the bar and stop it from hitting your chest, so it's best to reduce the chances of dropping the bar on your chest from almost zero to even closer to almost zero. I've been bench pressing regularly for well over 20 years, always put my thumbs around the bar, and have never dropped it on myself. Nor has anyone I have coached to the best of my memory, over tens of thousands of sets and hundreds of thousands of reps. I have used safeties to successfully avoid getting trapped under the bar after a failed rep. In the video below, I tweaked my pec while pushing through a rep at 485 and had to set the bar on the pins to avoid getting trapped under it. This kind of situation is the primary use for the safeties. It's good to have them set up regardless - they might indeed save you if you somehow still manage to drop the bar, but they also very well might not.

Deep Squats, Shallow Thoughts

924,757 просмотров • 8 месяцев назад

Russian Telegram channels report that there is a total fuel shortage in Russia, with about 360 gas stations shutting down due to a lack of gasoline. Supply disruptions have affected the Moscow, Leningrad, Ryazan, and Nizhny Novgorod regions, among others. It is reported that the situation is felt most severely in southern Russia, where the number of gas stations has decreased by 14%, and in the temporarily occupied Crimea and Sevastopol - by nearly half. At the same time, Sergey Aksenov, so-called "head" of the Russian-occupied Crimea, called on residents of the peninsula to be patient and stated that the situation is under control and will soon be resolved, with gasoline once again becoming available. From "Kyiv in three days" to "gas shortage"...
0:37

Russian Telegram channels report that there is a total fuel shortage in Russia, with about 360 gas stations shutting down due to a lack of gasoline. Supply disruptions have affected the Moscow, Leningrad, Ryazan, and Nizhny Novgorod regions, among others. It is reported that the situation is felt most severely in southern Russia, where the number of gas stations has decreased by 14%, and in the temporarily occupied Crimea and Sevastopol - by nearly half. At the same time, Sergey Aksenov, so-called "head" of the Russian-occupied Crimea, called on residents of the peninsula to be patient and stated that the situation is under control and will soon be resolved, with gasoline once again becoming available. From "Kyiv in three days" to "gas shortage"...

Anton Gerashchenko

387,279 просмотров • 10 месяцев назад

The 2nd Robot Marathon has officially begun in Beijing. This year feels different. 1. Around 40% of teams are running fully autonomous, no remote control. 2. Top robots are already hitting ~10s per 100 meter, getting surprisingly close to human sprint limits. 3. You can also see much better safety design upfront. Way more structured than last year’s chaos. 4. Still, failures happen. Marathon distance pushes motors, structure, and control to the limit. What works in short demos breaks down over longer runs. Overall, a big step forward, but also a reminder that real-world robotics is still far from the polished demo videos you get fed from companies.
0:13

The 2nd Robot Marathon has officially begun in Beijing. This year feels different. 1. Around 40% of teams are running fully autonomous, no remote control. 2. Top robots are already hitting ~10s per 100 meter, getting surprisingly close to human sprint limits. 3. You can also see much better safety design upfront. Way more structured than last year’s chaos. 4. Still, failures happen. Marathon distance pushes motors, structure, and control to the limit. What works in short demos breaks down over longer runs. Overall, a big step forward, but also a reminder that real-world robotics is still far from the polished demo videos you get fed from companies.

Eren Chen

850,105 просмотров • 3 месяцев назад

Last night felt unreal. i don’t think it has fully registered with me yet that we got hit by a tornado. firstly i’ll start out by saying troy, me, and the dogs are okay. thank you God. we stayed in the basement laying down under a mattress while we heard crashing and felt the house shaking. after the first wave, we rushed upstairs to my office to grab my streaming computer and put it somewhere safe. never in a million years did i think that in those short couple minutes i would have the weight of my entire ceiling crashing down on my head. it happened so fast and all i could hear was troy screaming my name. it was pitch black. he grabbed my arm and pulled me out of the debris as we ran back downstairs with the dogs. then the second wave came. we could hear more ceiling crashing down from upstairs and water was seeping onto us in the basement. we made the decision to completely evacuate the house and drive to my grandparents house, which was terrifying in its own right. power lines were knocked down in the road and we had no service. i think we’re both kind of in shock. we worked so hard on our home & were very proud of it, but at the end of the day, i’m just grateful to have made it out alive with only a welt on the back of my head. i hope everyone else is doing okay
0:15

Last night felt unreal. i don’t think it has fully registered with me yet that we got hit by a tornado. firstly i’ll start out by saying troy, me, and the dogs are okay. thank you God. we stayed in the basement laying down under a mattress while we heard crashing and felt the house shaking. after the first wave, we rushed upstairs to my office to grab my streaming computer and put it somewhere safe. never in a million years did i think that in those short couple minutes i would have the weight of my entire ceiling crashing down on my head. it happened so fast and all i could hear was troy screaming my name. it was pitch black. he grabbed my arm and pulled me out of the debris as we ran back downstairs with the dogs. then the second wave came. we could hear more ceiling crashing down from upstairs and water was seeping onto us in the basement. we made the decision to completely evacuate the house and drive to my grandparents house, which was terrifying in its own right. power lines were knocked down in the road and we had no service. i think we’re both kind of in shock. we worked so hard on our home & were very proud of it, but at the end of the day, i’m just grateful to have made it out alive with only a welt on the back of my head. i hope everyone else is doing okay

Dhruv

27,144 просмотров • 1 год назад

Bullshit Im a Christian Arab Israeli and son of a priest from Nazareth. While you spread ridiculous conspiracies about my country, I live in the only country in the region where Christianity is growing. You aren't interested in protecting Christians you are interested in smearing my country while Christians are slaughtered all over this region like cattle. Where was your outrage about that? About the persecution of Christians under Hamas or under the Palestinian Authority? Where is your in-depth report about how the Palestinian leadership has overseen a decline of Christians in Bethlehem since Israel relenquished control of the city to the PA? We used to be 80% of Bethlehem under the PA we are less than 20%! You are so obsessed with criticizing Israel for the likes ans clicks of your Nazi fans that you are throwing us Christians of MENA under the bus. If you're not a coward, debate me yourself. Enough of this slander.
0:15

Bullshit Im a Christian Arab Israeli and son of a priest from Nazareth. While you spread ridiculous conspiracies about my country, I live in the only country in the region where Christianity is growing. You aren't interested in protecting Christians you are interested in smearing my country while Christians are slaughtered all over this region like cattle. Where was your outrage about that? About the persecution of Christians under Hamas or under the Palestinian Authority? Where is your in-depth report about how the Palestinian leadership has overseen a decline of Christians in Bethlehem since Israel relenquished control of the city to the PA? We used to be 80% of Bethlehem under the PA we are less than 20%! You are so obsessed with criticizing Israel for the likes ans clicks of your Nazi fans that you are throwing us Christians of MENA under the bus. If you're not a coward, debate me yourself. Enough of this slander.

יוסף חדאד - Yoseph Haddad

741,513 просмотров • 9 месяцев назад

Following the Airbus A320 emergency airworthiness action, everyone will be talking about the ELAC (Elevator Aileron Computer) manufactured by Thales, which caused a sudden pitch-down without pilot input on JetBlue 1230 back in October. So here’s everything you need to know about ELAC. The ELAC System in the Airbus A320: The Brains Behind Pitch and Roll Control At the heart of the sophisticated fly-by-wire flight control system of the Airbus A320 lies the ELAC (Elevator Aileron Computer). This crucial component acts as one of the primary computational units that translate pilot commands into precise movements of the aircraft’s fundamental control surfaces: the elevators and the ailerons. ELAC plays a pivotal role in ensuring the aircraft’s stability and enabling smooth, safe, and efficient flight. What is ELAC? ELAC stands for Elevator Aileron Computer. On the A320, there are two main ELAC computers—ELAC 1 and ELAC 2—which operate together as essential elements of the aircraft’s fly-by-wire architecture. This system relies on electrical signals, rather than traditional mechanical cables, to transmit control inputs from the cockpit to the flight control surfaces. Key Functions of the ELAC System: Elevator Control: The elevators are control surfaces located on the horizontal tailplane of the aircraft. They govern movement around the lateral axis (pitch), determining whether the aircraft ascends or descends. ELAC receives signals from the pilot’s sidestick and translates them into precise commands to move the elevators, achieving the desired pitch attitude. Aileron Control: Ailerons are control surfaces situated on the trailing edge of the wings. They manage movement around the longitudinal axis (roll), controlling the aircraft’s banking to the left or right. The ELAC processes pilot inputs and moves the ailerons to achieve the intended bank angle. Implementing Flight Control Laws: One of ELAC’s most critical responsibilities is enforcing the pre-programmed flight control laws embedded within the Airbus computers. These laws ensure the aircraft responds to pilot commands in a calculated and safe manner, providing protection against maneuvers that could exceed operational limits (such as overspeed or critical angles of attack). Fault Monitoring and Redundancy: The ELAC system includes a high degree of redundancy to ensure safety. If one ELAC computer malfunctions, the other can seamlessly take over. ELAC also continuously monitors the performance of control surfaces and associated systems, issuing warnings to the crew if any anomalies are detected. ELAC 1 and ELAC 2: Distribution and Responsibility ELAC 1: Primarily controls the ailerons and certain elevator functions, especially those relying on the blue hydraulic system. ELAC 2: Primarily controls the elevators and the Trimmable Horizontal Stabilizer (THS), utilizing the green and yellow hydraulic systems. Info via Ashraf Yehia, Aircraft Structure Repair Engineer/LinkedIn.
0:13

Following the Airbus A320 emergency airworthiness action, everyone will be talking about the ELAC (Elevator Aileron Computer) manufactured by Thales, which caused a sudden pitch-down without pilot input on JetBlue 1230 back in October. So here’s everything you need to know about ELAC. The ELAC System in the Airbus A320: The Brains Behind Pitch and Roll Control At the heart of the sophisticated fly-by-wire flight control system of the Airbus A320 lies the ELAC (Elevator Aileron Computer). This crucial component acts as one of the primary computational units that translate pilot commands into precise movements of the aircraft’s fundamental control surfaces: the elevators and the ailerons. ELAC plays a pivotal role in ensuring the aircraft’s stability and enabling smooth, safe, and efficient flight. What is ELAC? ELAC stands for Elevator Aileron Computer. On the A320, there are two main ELAC computers—ELAC 1 and ELAC 2—which operate together as essential elements of the aircraft’s fly-by-wire architecture. This system relies on electrical signals, rather than traditional mechanical cables, to transmit control inputs from the cockpit to the flight control surfaces. Key Functions of the ELAC System: Elevator Control: The elevators are control surfaces located on the horizontal tailplane of the aircraft. They govern movement around the lateral axis (pitch), determining whether the aircraft ascends or descends. ELAC receives signals from the pilot’s sidestick and translates them into precise commands to move the elevators, achieving the desired pitch attitude. Aileron Control: Ailerons are control surfaces situated on the trailing edge of the wings. They manage movement around the longitudinal axis (roll), controlling the aircraft’s banking to the left or right. The ELAC processes pilot inputs and moves the ailerons to achieve the intended bank angle. Implementing Flight Control Laws: One of ELAC’s most critical responsibilities is enforcing the pre-programmed flight control laws embedded within the Airbus computers. These laws ensure the aircraft responds to pilot commands in a calculated and safe manner, providing protection against maneuvers that could exceed operational limits (such as overspeed or critical angles of attack). Fault Monitoring and Redundancy: The ELAC system includes a high degree of redundancy to ensure safety. If one ELAC computer malfunctions, the other can seamlessly take over. ELAC also continuously monitors the performance of control surfaces and associated systems, issuing warnings to the crew if any anomalies are detected. ELAC 1 and ELAC 2: Distribution and Responsibility ELAC 1: Primarily controls the ailerons and certain elevator functions, especially those relying on the blue hydraulic system. ELAC 2: Primarily controls the elevators and the Trimmable Horizontal Stabilizer (THS), utilizing the green and yellow hydraulic systems. Info via Ashraf Yehia, Aircraft Structure Repair Engineer/LinkedIn.

Turbine Traveller

486,808 просмотров • 8 месяцев назад