Using the vibration nomograph, write down your choice of a suitable vibration velocity level (mm/s) for...
Question 4 Using the vibration nomograph, write down your choife of a suitable vibration velocity level (mm/s) for a helicopter rotor to work in Satisfactory' conditions 1000 1000 mm/s 10 mA 100 Destructive Displacement (rms) 1 mm mm 10 mm 100 Wall damage 100 am Cracks 100 mA 71 mm/s Impermissible 30 10 No damage 10 am Minor Unsatisfactory damage Threshold Satisfactory Reduced comfort 24-h Jm exposure 1 m 01 Good Threshold of perception 1 am 011 mms 0.1 Acceless...
Question 1 Using the vibration nomograph, write down your choice of a suitable vibration velocity level (mm/s) for a helicopter rotor to work in 'Satisfactory conditions. 1000 mms 100 Destructive 10ma mm 1 mm 100 am 10 mm 100 Wall damage 71 mms Cracks Impermissible 30 10 am 10 No damage Unsatisfactory Minor damage Satisfactory Threshold m Reduced comfort 24-h exposgre Good Threshold of perception 011 mms a00m Accelerstion (rs) Acceptable vibration envelope for labs 001 um 01 am 001...