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Subject: blade sock Пожалуйста, помогите перевести. blade sockВыражение встречается в следующем контексте: речь идет о лопастях несущего винта вертолета: install blade socks on all blades Заранее спасибо |
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по смыслу это некие чехлы на лопасти, препятствующие их выгибанию на сильном ветру. http://www.tsb.gc.ca/en/reports/air/2002/A02P0126/A02P0126.pdf The winds reached a high of eight knots that night. The MD Helicopter Maintenance Manual Chapter 10-10-00, “Parking and Mooring practices and instructions” caution to take up slack but not to apply bending loads on blades when securing them with sock tie-down cords and to install blade socks on all blades. Bending loads are hazardous to the structural integrity of the blades. Normally, the blades become rigid in plane with centrifugal force exerted in rotation; when parked, the helicopter blades may be subjected to wind gusts that cause bending loads. Whenever severe storm conditions or wind velocities higher than 40 knots are forecast, the helicopter should be hangared or evacuated to a safer area, or the blades must be removed as they can be subjected to severe bending loads. |
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