Solution:
Question 1 Using the vibration nomograph, write down your choice of a suitable vibration velocity level...
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...
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 mm/s 100 Destructive 1000 m 10 ma Displacement (rms) 1 mm 10 mm 100 am 100 Wall damage 71 mm/s Cracks Impermissible 30 10 pm 10 No damage Unsatisfactory Minor damage Satisfactory Threshold 3 1 mis? Reduced comfort 24-h a1 ms Good exposure Threshold 1 am 0.11 mm/s of perception 0.1 G.01 ms 0.001 m...