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Расположение блоков газоснабжения в грузовой кабине вертолета
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Расположение блоков газоснабжения с наружной части фюзеляжа вертолета
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Расположение блоков газоснабжения в грузовых (укороченных) створках вертолета
EMERGENCY RESPONSE AQUATIC DEPLOYMENT SYSTEM (ERADS)
ERADS (САП.4011.000) is designated for helicopters Mil Mi-8; Mi-8AMT; Mi-8MTV-1; Mi-171; Mi-172 (and their modifications) operated overwater and based near coastlines of open or protected waters. ERADS allows aircraft to ditch and stay afloat during the time it takes for enrollment of floating crafts and evacuation of crew and passengers.
ERADS consists of main and nose floats and two fuel units. Main floats are fastened on the main axle-arm; nose floats - on the fuselage forebody. Fuel unit consists of two bottles fixed on a frame. Fuel units are fastened in the left cargo half-door on the seat-box or on the starborad near the 5H-frame.
Performance characteristics |
|
Max. take-off weight |
up to 12,500 kg |
Helicopter staying afloat |
min. 30 min |
Weight of ERADS |
265 kg |
Operational temperature |
from -20°С up to 50°С |
Lowest operational use temperature |
from -40°С up to 50°С |
Water surface |
up to 4 points; up to 2 points (if one section failed) |
Touchdown sinking speed |
up to 1,5 m/s |
Level speed at water touchdown |
up to 35 km/h |
Float filling time |
max. 10 s |
Float overpressure |
15 kPa |
Volume of nose floats |
2 х 1,83 ± 0,05 m3 |
Volume of main floats |
2 х 6 ± 0,3 m3 |
Operating fluid |
helium |
Pressure-filling of the unit |
20,41 kPa |
Filling control |
electric |
Max. weight of helicopter in event of aircraft ditching |
13,000 kg |
Lifetime between overhauls |
5000FH or 1 routine activation |
Assigned lifetime |
10 years |
Maintenance check floats (main and nose) fuel unit |
1YE during lifecycle No (during lifecycle) |