Suchoj Su-25

Suchoj Su-25
Země	Sovětský svaz
Typ	Blízká letecká podpora
První let	22. února 1975
Postaven	1000+

Suchoj Su-25 Grač (kódové označení NATO: Žabí noha) je podzvukový, jednomístný, dvoumotorový proudový letoun vyvinutý v Sovětském svazu společností Suchoj. Byl navržen tak, aby poskytoval blízkou leteckou podporu sovětským pozemním silám. První prototyp uskutečnil svůj první let 22. února 1975. Po testování šel letoun do sériové výroby v roce 1978 v Tbilisi v Gruzínské sovětské socialistické republice.

Zdroj: Suchoj Su-25 na Wiki

Suchoj Su-25 Frogfoot Walk Around
Fotografů	Neznámé
Lokalizace	Neznámé
Fotografie	142

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Sukhoi Su-25 Frogfoot 1

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Design Philosophy: Close Air Support

Tá Suchoj Su-25 was designed as a dedicated Šturmovič (Ground Attack) aircraft, born from lessons learned in WWII. Unlike fast, high-altitude interceptors, the “Frogfoot” was built to fly low and slow, loitering over the battlefield to provide direct support to ground troops. It is the Soviet counterpart to the American A-10 Thunderbolt II, prioritizing survivability, ease of maintenance in austere conditions, and massive ordnance capacity.

Attribute	Standard Specification (Su-25 / Su-25SM)
Roli	Close Air Support (CAS) / Ground Attack
Posádky	1 Pilot
Brnění	Titanium “Bathtub” (10mm to 24mm thick)
Main Armament	1 x 30mm GSh-30-2 twin-barrel autocannon (250 rounds)
Hardpoints	11 (Capacity for 4,000 kg / 8,800 lbs of ordnance)
Pohonná jednotka	2 x Soyuz/Tumansky R-195 turbojets
Maximum Speed	975 km/h (Mach 0.79 / 606 mph)
Service Ceiling	7,000 meters (23,000 ft)

Survival Features: The Titanium Bathtub

The Armored Cockpit: The pilot sits inside a 24mm thick titanium alloy welding, capable of withstanding direct hits from 23mm anti-aircraft shells. This “bathtub” design is a hallmark of Su-25 survivability.
Engine Separation: The two turbojet engines are mounted in separate nacelles on either side of the fuselage. This physical distance ensures that a fire or explosion in one engine is unlikely to disable the other.
Redundant Systems: The Su-25 utilizes mechanical control linkages protected by armor, ensuring the pilot can still maneuver even if hydraulic systems are compromised.
Self-Sealing Tanks: All fuel tanks are filled with polyurethane foam to prevent explosions and are protected by 8mm steel plating.

Weaponry and Versatility

GSh-30-2 Autocannon: Mounted in the lower fuselage, this 30mm gun fires at 3,000 rounds per minute, capable of shredding light armor and infantry positions.
Rocket Pods: The Su-25 is most famous for its use of unguided rockets, such as the 57mm S-5, 80mm S-8, and the massive 240mm S-24.
Precision Munitions: Modernized variants like the Su-25SM can deploy laser-guided bombs (KAB-500L) and Kh-25 air-to-surface missiles.
The “Rook” (Grach): Russian pilots gave the aircraft this nickname because of its ability to pull heavy loads from the dirt, referring to the bird’s habit of finding food in the soil.

Combat History

The Su-25 has seen more combat than almost any other Soviet-era jet. It proved its worth in the rugged mountains of Afghanistan, where its ability to maneuver in narrow valleys was superior to faster jets. Since then, it has served in the Chechen Wars, the Syrian Civil War, and extensively in the current conflict in Ukraine, used by both sides.

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