safety factor for propeller in bollard astern condition

Discussion in 'Propulsion' started by ssawasare, Feb 20, 2014.

  1. ssawasare
    Joined: May 2013
    Posts: 5
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    Location: powai

    ssawasare Junior Member

    Dear all,
    Does anyone knows what is factor of safety criteria for propeller in "bollard astern" condition.
    Waiting for reply .
    Thanking you.
  2. jehardiman
    Joined: Aug 2004
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    Location: Port Orchard, Washington, USA

    jehardiman Senior Member

    Factor of safety for what? Thrust bearing?, Shaft torque?, Blade bending? Castle nut?

    Normally FoS is specified in the contract, either directly or indirectly via the classification society.
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