Ammanichanda
@Arkasiraee • 4,607 subscribers
Industrial Systems | Energy | Technology | Defense Systems 7 minute deep dives in the Highlights Section
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One of the most underrated marvels in semiconductor fabs is the vacuum pump. A high end dry vacuum pump can spin at 90,000 RPM, operate 24/7 for years, maintain ultra clean vacuum environments, survive corrosive process gases, and hold tolerances measured in microns. These Turbo Molecular Vacuum Pumps cost $10,000 to $25,000+ per unit. Without them, there are no chips, no AI GPUs, no smartphones. The semiconductor industry isn't just about EUV lithography. It's also about thousands of invisible engineering masterpieces quietly running in the background. Video Source :- Leon Li-666
Ammanichanda546,027 görüntüleme • 13 gün önce
A rare insight into the working of the radio proximity fuze developed and used during World War II, 1944 with key contributions from General Electric. Inside the cutaway, the system reveals a miniature radar set powered by a fragile glass electrolyte ampoule that shattered under launch acceleration, activating the battery and bringing the fuze online in flight. Once armed, it emitted a continuous radio signal and measured reflections from nearby targets, triggering detonation when an aircraft entered roughly the 20 to 70 foot range, where fragmentation effects were most effective. It costed about 18 to 20 dollars per unit in 1945 at wartime production scale, that still feels strikingly advanced even 75+ years later. Video Source:- Inert Ordnance
Ammanichanda504,235 görüntüleme • 25 gün önce
One of the most extreme piston engines ever built is the Pratt & Whitney R4360 Wasp Major. A 28 cylinder, four row radial engine producing 3,000 Hp in early variants and over 4,000+ Hp in later iterations from 71 liters of displacement. R-4360 Wasp burnt 25.5-26.5 liters per minute per engine at takeoff It was developed during World War II for long range heavy bombers, but by the time it reached full operational maturity, the war had already ended. Instead of CAD or computational simulation, it was designed entirely using slide rules, hand drafted blueprints, and physical prototyping, where every thermal and structural constraint was solved experimentally. This Engine costed $35,000 - $50,000 per engine back in 1944-45 USD. This engine marks the final peak of piston propulsion, built at the edge of manufacturable complexity before the jet age made it obsolete. Video Source :- MaxwellDebun
Ammanichanda66,856 görüntüleme • 12 gün önce
The R-60 missile entered service in 1974, developed in the Soviet Union during the late Cold War for close-range dogfight superiority. It used a passive infrared seeker early heat-seeking guidance, compact solid-fuel rocket motor, and very light airframe to achieve high agility and allow multiple missile carriage per aircraft. Source:- Inert Ordnance
Ammanichanda39,910 görüntüleme • 26 gün önce
A rare insight into the stabilisation system of the Nike Ajax missile, deployed in the early Cold War around 1954 as part of the first operational radar-guided air defense network. Inside the guidance unit, the core was a high-speed mechanical gyro assembly spinning at roughly 20,000-30,000 RPM, using precision-machined rotors and air or fluid bearings to maintain inertial reference under extreme launch vibration. This gyro did not guide the missile directly, it acted as the stable reference frame that converted ground radar commands into precise attitude corrections. The missile itself used a powerful solid booster followed by a liquid sustainer, with cost per unit estimated in the $20,000, 1950s production scale for a system that could engage targets at 45 kms Video Source:- Inert Ordnance
Ammanichanda21,943 görüntüleme • 23 gün önce
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