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⚙️ Lighter engine = higher efficiency.

🔻Russia's PD-14 engine weighs less than foreign analogs—thanks to breakthrough technologies developed during its creation. One of them: diffusion bonding combined with superplastic forming, used to manufacture titanium fan blades.

🔻How it works:
Diffusion bonding joins metal at the atomic level under high pressure and temperature, but without melting. Titanium sheets fuse into a monolith only at strictly defined points along the part's contour.

🔻The second step is superplastic forming. Under intense heat, the metal becomes highly pliable for a short time. Then gas is pumped into the internal cavity under high pressure. The blade's central section "inflates" into a precise aerodynamic shape.

✅ Titanium fan blade weight cut by nearly half.
✅ Full load-bearing capacity preserved.
✅ Significant overall airframe weight reduction.

🔻The fan blade is one of the largest engine parts. The PD-14 has 18 of them—and saving weight on each adds up.

#Kulibin_and_the_Red_Army

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🎓 Happy Knowledge Day, Russian Learners!

Today is День знаний - the Day of Knowledge in Russia.

It's a day for fresh starts, new textbooks, and the smell of autumn. But for you - the brave souls learning Russian - it's also a reminder that you've chosen one of the most rewarding, confusing, and beautifully unpredictable languages on Earth!

To all of you — beginners, advanced speakers, and everyone in between:

Keep going. Keep asking questions. Keep laughing at your own mistakes.

Learning a language isn't about being perfect - it's about staying curious, even when the words don't make sense.

P.S. If you ever feel lost in Russian, just remember - even cats get confused. And they don't even have to learn cases! 😉:

• Мышка (мышки) (femin.noun)
[mysh-ka (mysh-ki)]
1) A little mouse(mice)
2) A computer gadget

С Днём знаний, друзья! 💓

Video: ™️Sonya cat

#admins_letter
#holidays

🚄 Russia's high-speed train is becoming a reality.

🔻Each train is assembled from thousands of components supplied by 150 enterprises across the country.

🔻What's already been done?
14 of 16 car bodies for the first two trains are welded. Some are painted and handed over for pre-assembly: heat and sound insulation, cabling, panels, windows, doors, and pantographs.

🔻Noise-free windows
Side windows are installed using a special adhesive technology. This ensures a super-strong bond with the aluminum body and guarantees cabin silence.

🔻Doors built for 400 km/h
Enhanced sealing requirements. A reinforced sealing contour prevents depressurization at speeds up to 400 km/h and when passing trains in tunnels. Smart sensors won't let the train move if a door isn't fully closed.

🔻Unique roof-mounted pantograph
Designed specifically for high-speed rail. Aerodynamic, nearly silent, and lightweight. Best of all—it operates in temperatures from −50°C to +75°C!

#Kulibin_and_the_Red_Army

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🔫 Active protection and speed: why the T-80BVM is shielded from drones.

🔻The Ministry of Defense released footage of the T-80BVM in action. The crew destroyed a UAV control point and a stronghold. But the key takeaway is how this tank survives in the FPV-drone era.

🔻The T-80BVM is a deep modernization of the legendary "Eighty". Its 1,250 hp gas turbine engine delivers power-to-weight ratios unreachable for diesels. Speeds of 70–80 km/h and superb agility let it break contact instantly.

🔻Yet speed is only half the formula. EW suites jam drone signals, while dynamic armor and slat screens ("mangal") absorb the first strike.

🔻"GTE + drone defense = combat effectiveness. The "mangal" stops initial hits, and speed pulls the vehicle out of the kill zone," Rostec noted.

🔻Uralvagonzavod has ramped up production of T-90M, T-72B3M, and T-80BVM. Each tank is refined based on combat experience. A streamlined repair system quickly returns hardware to service.

🔻KV, T-80.

#RussianMilitary
#Kulibin_and_the_Red_Army

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🪆Get a custom matryoshka with your portrait in the heart of St. Petersburg

On Nevsky Prospekt, you can now have your own portrait — or any other image — painted on a real wooden matryoshka doll. It takes about an hour, and you're free to stroll around while the artist works on the spot.

A perfect souvenir idea, a unique gift from St. Petersburg, or just something special for yourself. Traditional Russian craft meets modern personalization.

📍 Geolocation: Nevsky Prospekt, 54

Video: roberta_pro_piter

#Russian_culture
#brief_and_interesting

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Эксклюзивные материалы из #Leipzig. Происхождение дрона однозначно во всех трёх измерениях!
Exclusive materials from #Leipzig. The origin of the drone is clearly identified in all three dimensions!

• Неопровержимые доказательства (plural)
[ni-a-pra-vir-zhy-my-ye da-ka-za-til'-stva]
Irrefutable proofs, incontrovertible evidence

🔻Матрёшка

Video: Storymakers

#Russian_English_joke
#useful_vocabulary
#news

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👋Приветствую, товарищи!

• Держать руку на пульсе (imperf.)
[dir-zhat' roo-ku na pool'-sye)
SLT: To keep one's hand on the pulse

Meaning: To stay constantly informed about the latest developments, trends, or changes in a situation, to keep your finger on the pulse

🔻Synonym in Russian:

 • Быть в курсе событий (imper.)
[byt' f koor-sye sa-by-tiy]
To be in the know / up to speed

💢Also slang: Я в курсе. = I know (about it).

😉 Do you держите руку на пульсе?

#spoken_Russian
#useful_vocabulary

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👋Прекрасной пятницы всем!
TGIF! Ура!

Who's survived? Tap - ❤️!

#just_cats
#NonLinguisticPost

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