Deck mounted crane

Discussion in 'Stability' started by Chris MacDonnell, Jan 16, 2020.

Tags:
  1. gonzo
    Joined: Aug 2002
    Posts: 14,777
    Likes: 767, Points: 123, Legacy Rep: 2031
    Location: Milwaukee, WI

    gonzo Senior Member

    A small mooring, for example for a 30' boat, will weight about 1200 lb (545 Kg) including the chain. However, to service mooring, they need to be lifted which includes breaking them loose. We often apply tension that is over twice the weight. Sometimes we dive and inject air from a hose around it to break the suction from the mud and silt. At the maximum force the OP suggests, he may only be able to work on moorings for really small boats.
     
  2. TANSL
    Joined: Sep 2011
    Posts: 6,317
    Likes: 318, Points: 93, Legacy Rep: 300
    Location: Spain

    TANSL Senior Member

  3. Mr Efficiency
    Joined: Oct 2010
    Posts: 9,337
    Likes: 710, Points: 113, Legacy Rep: 702
    Location: Australia

    Mr Efficiency Senior Member

    The advice should be, be careful !
     

  4. TANSL
    Joined: Sep 2011
    Posts: 6,317
    Likes: 318, Points: 93, Legacy Rep: 300
    Location: Spain

    TANSL Senior Member

    ;)
     
Loading...
Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Your circumstances or experience may be different.