Специальный корреспондент. Тайна самолета будущего, Россия, воскресенье, в 21:05

[wind]

Воланд, ты с какого перепоя взял, что мотор F119 лучше АЛ-31Ф? Может цифири, какие положишь, чтобы не просто свистеть…?

- paralay'юшка, голубчик, ты что-то совсем уже в религиозный экстаз впал...
http://en.wikipedia.org/wiki/Lyulka_...Specifications
AL-31F Specifications
General characteristics
Type: Two-shaft afterburning turbofan
Length: 4990 mm
Diameter: 905 mm inlet; 1280 mm maximum external
Dry weight: 1,570 kg
Components
Compressor: 4 fan and 9 compressor stages
Bypass ratio: 0.59:1
Turbine: 2 single-staged turbines
Performance
Thrust:

16,754 lbf (74.5 kN) military thrust [7,600 kg]
27,557 lbf (122.6 kN) with afterburner [12,500 kg]
Specific fuel consumption:
нa максимальном режиме работы 0.75 кг/(кгс·ч)
минимальный крейсерский расход 0.67 кг/(кгс·ч)
Full afterburner: 1.92 lb/(lbf·h)
Thrust-to-weight ratio: 8
расход воздуха 112 кг/с
Степень повышения давления в компрессоре — 23
Температура газов перед турбиной — до 1427 C


http://www.turbokart.com/about_f135.htm
F119-PW-100, essentially identical to the F135 engine
Pratt & Whitney F135-PW-100 Augmented Turbofan
Type: Dual shaft turbofan with low bypass ratio and afterburning
Bypass Ratio: 0.2:1
Low Pressure Compressor: Three stage fan
High Pressure Compressor: 6 stage axial flow compressor
Burner: Annular, through flow "floatwall" combustor
Turbine: Dual spool counter-rotating, single stage axial high pressure turbine, single stage axial low pressure turbine
Exhaust: Converging afterburning jet pipe, variable area divergent secondary nozzle, with 3 bearing swivel arrangement.
Thrust Rating: 40,000 lbs. thrust class with afterburner 18,144 kg
Maximum military power (no afterburner): Approximately 30,000 lbs. of thrust 13,608 kg
Weight: 3,750 lbs. 1701 kg
Thrust/weight: 10.5:1
Air mass flow: Approximately 91 kg/sec
Overall Pressure Ratio: Approximately 30:1
Maximum Turbine Inlet Temperature: 1,540 C+
Specific Fuel Consumption: 0.70 lb/lbt/hr (dry), 2.0 lb/lbt/hr (with afterburner)

The Mean Time Between Overhaul (MTBO) for the AL-31F is given at 1,000 hours with a full-life span of 3,000 hours. - 1000 часов между кап. ремонтами с полной продолжительностью жизни 3000 часов.
F119 без перерывов пашут по 8000+ часов.
http://www.pratt-whitney.com/StaticF...f119_high3.jpg