Tengiz
@tengizlab • 5,647 subscribers
Shorts
Videos
This experimental morphing wing, developed by researchers at the National University of Singapore, uses Macro Fiber Composite (MFC) piezoelectric actuators integrated beneath its composite skin. The actuators modify the wing's camber, allowing the airfoil to adopt different aerodynamic profiles without conventional hinged flaps. Instead of deflecting a discrete control surface, the wing itself changes shape while maintaining a continuous aerodynamic surface. The research combines smart materials, composite structures, and aeroelastic design to investigate adaptive wing technologies for future aircraft. Source: temaseklabaratories on YT
Tengiz665,634 görüntüleme • 2 ay önce
Aircraft Wheel Replacement Aircraft tires are inflated with dry nitrogen instead of compressed air. Being dry and chemically inert, nitrogen helps maintain more stable tire pressure and reduces the risk of fire if the brakes overheat. Every wheel assembly is designed to withstand repeated takeoffs, landings, heavy braking, and high mechanical loads. After replacement, the tire, wheel, and brake assembly are inspected before the aircraft returns to service. 📹 takeoffbrasil_
Tengiz441,661 görüntüleme • 2 ay önce
An Airbus A350 being tested from +45°C to −40°C inside the McKinley Climatic Laboratory. The aircraft was exposed to extreme temperatures and humidity while engineers checked its systems and cabin installations. The engines were also operated during the tests, with the aircraft securely restrained. Air conditioning, galleys, water and waste systems, and other aircraft systems were checked to verify they could operate after prolonged hot and cold exposure. The controlled environment allows engineers to test conditions that would be difficult to reproduce consistently in normal flight testing. The A350 spent about 2.5 weeks undergoing climatic testing.
Tengiz153,582 görüntüleme • 1 ay önce
Highly Automated Manufacturing of Carbon Fiber Aircraft Structures Large carbon fiber aircraft structures are manufactured using an automated robotic production line that integrates CFRP layup, compaction, quality inspection, stringer installation, and vacuum bagging. The process is digitally monitored and controlled through a Manufacturing Execution System (MES). Demonstrated by the DLR.
Tengiz249,357 görüntüleme • 3 ay önce
The Ka-27 uses a complex coaxial rotor system to eliminate the need for a tail rotor. It has two three-bladed rotors mounted on the same axis. They rotate in opposite directions, so their torque reactions largely cancel. But both rotors still need collective and cyclic pitch control. That requires concentric drive shafts, swashplates, pitch links and other control mechanisms to fit into one compact rotor head. The animation shows how much hardware is needed to control two rotors from the same axis. The result is a compact helicopter without a tail rotor, but with a much more complex rotor head and transmission.
Tengiz144,386 görüntüleme • 2 ay önce
Water runway testing is part of aircraft certification, and the Airbus A350 goes through it here. The aircraft is driven through a test section containing at least 22 mm of standing water, with speeds increasing from about 111 km/h to 259 km/h. At these speeds, the landing gear produces a large amount of water spray. Engineers study how the spray moves around the aircraft and check that it does not adversely affect the engines or APU. The tests cover both takeoff and landing conditions, including reverse thrust during landing. The purpose is to verify that the A350 can safely operate when significant water is standing on the runway.
Tengiz44,007 görüntüleme • 1 ay önce
The Airbus A330 brake system is subjected to extreme testing to determine how much thermal and mechanical stress the wheel, tire and brake assembly can withstand. During this type of test, the wheel and tire are accelerated to high rotational speed before maximum braking is applied. The carbon brakes then absorb the wheel's kinetic energy and convert it into heat. As the temperature rises, the brake discs begin to glow, followed by heavy smoke, sparks and severe wear of the friction material. The purpose is not simply to reproduce a normal landing. Engineers deliberately push the brake assembly toward its limits to measure its energy-absorption capability, thermal endurance and failure behavior. Extreme temperatures can accelerate carbon oxidation and eventually damage the brake, wheel and tire assembly. These tests help establish the limits the braking system must withstand during events such as a high-speed rejected takeoff or maximum-energy stop.
Tengiz54,548 görüntüleme • 1 ay önce
The Engineering Mechanism Behind Precise Aerodynamic Fin Control A control actuator converts an electrical command into precise movement of an aerodynamic fin. Inside this compact system, a small brushless motor drives a 4.25 mm ball screw. The screw converts rotation into linear movement, which is transferred through a linkage to change the fin angle. The principle is simple, but the mechanism must provide precise, repeatable movement with very little mechanical play. Small errors at the fin can change the aerodynamic forces acting on a fast-moving vehicle. In this system, each actuator weighs less than 100 g, while the complete three-actuator system weighs about 650 g. Each fin can move up to ±8°, with angular play below 0.1° RMS. Electromechanical fin actuators are used in aerospace control systems where low weight, compact size and precise aerodynamic control are important. Hydraulic and pneumatic systems are also used where different force, speed and power requirements make them more suitable. The engineering challenge is achieving precise movement and sufficient stiffness in a mechanism small enough to fit inside the vehicle while surviving vibration and aerodynamic loads. Source: Control Actuation System by MPS Micro Precision Systems AG
Tengiz39,625 görüntüleme • 1 ay önce
Direct-Drive Aircraft Propulsion In most piston-powered aircraft, the propeller is bolted directly to the engine's crankshaft. Engine power is transmitted without gears, belts, or chains, allowing the throttle to control both engine and propeller RPM simultaneously. This direct-drive configuration simplifies the powertrain while reducing weight and maintenance. 🎥 prath1001
Tengiz58,625 görüntüleme • 2 ay önce
Airbus A350 Composite Wing Skin Manufacturing This video shows Automated Fiber Placement (AFP), where robotic systems precisely lay carbon fiber prepreg tapes onto a wing skin mold. The laminate is then cured under heat and pressure in an autoclave before advancing to subsequent manufacturing and wing assembly stages. 📹 airbus
Tengiz56,385 görüntüleme • 2 ay önce
Automatic Helicopter Landings on Naval Ships Landing a helicopter on a moving naval ship is one of the most demanding tasks in aviation. The flight deck continuously changes its position, attitude, and velocity with the sea, requiring precise relative positioning throughout the approach. The landing sequence uses two navigation systems. During the approach, Differential GPS (DGPS) guides the helicopter along a calculated flight path. Near the flight deck, navigation switches to a laser guidance system, providing centimeter-level relative positioning for the final hover and touchdown. During the automatic hover, the flight control system continuously compensates for ship motion, wind, and turbulence to maintain a stable landing position. This significantly reduces pilot workload and can safely complete the landing even if the pilot becomes incapacitated. The system entered operational service on the JMSDF SH-60K Seahawk, becoming the world's first operational system capable of fully automatic landings of a manned helicopter on a moving naval ship. It was developed by Mitsubishi Heavy Industries.
Tengiz41,135 görüntüleme • 2 ay önce
How the Yak-38 Main Landing Gear Retracts The Yak-38 uses a retractable tricycle landing gear. The two main landing-gear legs retract forward into the fuselage area above the engine compartment, while the nose gear retracts forward beneath the fuselage. The arrangement was designed to keep the retraction mechanism relatively simple while fitting the landing gear into the aircraft's compact structure. The Yak-38 was a carrier-based V/STOL attack aircraft, with its landing-gear arrangement integrated into a very tightly packaged airframe. Yak-38 main landing-gear retraction — 3D animation. 📷АртемБондарев-ю9р
Tengiz29,391 görüntüleme • 1 ay önce
The Airbus A350 landing gear system is tested through repeated extension and retraction cycles before entering service. The video shows both the main landing gear and nose landing gear being operated at Airbus' Filton test facility. Engineers cycle the gear and doors to verify that the mechanisms move correctly and reliably. The A350-900 main gear uses four-wheel bogies, with high-strength titanium and corrosion-resistant steels used in the structure. The landing gear is hydraulically operated at around 350 bar (5,000 psi), with an alternate extension system for abnormal situations. These tests are not simply checking whether the wheels go up and down. They verify the extension, retraction, locking and related systems and provide evidence for certification.
Tengiz22,211 görüntüleme • 1 ay önce
NASA X-59 Assembly The X-59's distinctive shape is driven by aerodynamics rather than aesthetics. Its elongated nose and carefully contoured fuselage are engineered to manage shock wave interactions, reducing the sonic boom into a quieter sonic thump. 🎥 lockheedmartin
Tengiz23,249 görüntüleme • 2 ay önce
A close-up look at the Boeing 787’s electric brake assembly, showing the electric actuators, wiring and carbon brake stack. The 787 uses four electric brake actuators on each main wheel, replacing the hydraulic pistons traditionally used to apply the brakes. The actuators convert electrical commands into mechanical force that clamps the carbon discs and produces braking torque. Boeing What looks like a relatively simple brake assembly is actually a highly integrated electromechanical system, replacing much of the conventional hydraulic actuation with electrical control while also providing brake-condition information such as real-time carbon-disc wear. 📹harishivamana9873
Tengiz13,834 görüntüleme • 1 ay önce
Building Aircraft Structures Instead of Assembling Them This video shows Automated Fibre Placement (AFP) manufacturing the lower half of a thermoplastic composite aircraft fuselage. Traditional aircraft fuselages are built by assembling hundreds of individual parts with thousands of mechanical fasteners. Composite manufacturing is gradually changing that approach by producing larger integrated structures with fewer joints. Thermoplastic composites can be reheated and welded after manufacturing, allowing large fuselage sections to be joined without relying entirely on rivets or adhesive bonding. The objective is not simply to replace aluminium. It is to reduce assembly time, simplify manufacturing, and support higher production rates while maintaining structural performance. The demonstrator shown here measures approximately 8 metres long and was built to evaluate automated manufacturing, welding, inspection, and assembly of large thermoplastic composite aircraft structures. The demonstrator was developed under the Airbus-led Multifunctional Fuselage Demonstrator (MFFD) programme by a European aerospace consortium.
Tengiz14,625 görüntüleme • 2 ay önce
Inspecting a 3D-Printed Turbine Blade This isn't an X-ray scan. It's a neutron computed tomography (CT) scan of an additively manufactured Inconel 718 turbine blade. Unlike conventional inspection methods, neutron CT allows engineers to visualize both the external geometry and complex internal features without cutting the part open. This is especially valuable for components with internal cooling channels that cannot be inspected directly. The scan is then compared with the original CAD model, allowing engineers to verify printing tolerances, detect internal defects, evaluate surface roughness, and confirm that the manufactured part matches the intended design before it enters service. Source: Oak Ridge National Laboratory
Tengiz11,625 görüntüleme • 2 ay önce
Daha fazla içerik yok.