ความคิดเห็นที่ 4
Su-25 Frogfoot, Sukhoi
The Su-25 was designed as a low level attack aircraft used in support of ground forces, much like the A-10 Thunderbolt II. Titanium, 24 mm thick, is used to protect the cockpit and other vital components from ground fire, while the internal fuel tanks are lined with a special foam to help protect against explosion. A two-seat variant was later designed as the Su-25UB, and an un-armed version was built - the Su-25UT, which later became the Su-28. Poor combat performance of the Su-25 in Afghanistan led to a much improved 'Frogfoot', named the Su-39. Designed from the Su-25UB, the Su-39 included wing-tip ECM pods, chaff/flare dispensers, IR jammer, and a new navigation and attack system which provided fully automatic weapon selection and release.
Prime contractor: Sukhoi Design Bureau
Nation of origin: Russia
Function: Attack
Crew: 1
In-service year: 1978
Engine: Two Tumansky R-195 non-afterburning turbofans, 9,921 lb thrust each
Wing span: 14.36 m / 47 ft 2 in
Length: 15.53 m / 50 ft 2 in
Height: 4.8 m / 15 ft 9 in
Weight: 20,950 lb empty / 38,800 lb max. take off
Ceiling: 22,965 ft
Speed:
@ attack speed: 690 km/h / 428 mph
@ max. sea level: 975 km/h / 606 mph
Range: 1,250 km / 777 miles
Armament: One AO-17A 30mm twin-barrel cannon with 250 rounds, plus 9,700 lb including Kh-23/25/29 ASMs, laser-guided bombs, cluster bombs, S-5 57mm rockets, S-8 80mm rockets, S-24 240mm rockets, S-25 330mm rockets, Gsh-23 23mm twin-barrel gun pods with 260 rounds each, R-3S/60 AAMs, or four fuel tanks on ten external points
Type: Su-25 'Frogfoot-A'
Function: attack
Year: 1978
Crew: 1
Engines: 2 * 4100kg Tumansky R-95Sh
Wing Span: 14.36 m
Length: 15.53 m
Height: 4.80 m
Wing Area: 30.10 m2
Max.Weight: 17600 kg
Speed: 970 km/h
Ceiling: 7000 m
Range: 1250 km
Armament: 1*g30 mm (250rpg), 4400 kg
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28 ส.ค. 50 21:45:29
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