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  1. #1
    Join Date
    Apr 2005
    Location
    Shropshire
    Posts
    7,493

    Default Lifting 1T boat off a trailer (and back on again)

    My friend is loaning me his trailer to pick up my new boat. I intend to store it in my garden while I fix a few things. If he needs the trailer back, what's the best way to offload it and then re-load it in a DIY sort of way?

  2. #2
    Join Date
    Oct 2001
    Location
    Surrey
    Posts
    6,929

    Default

    Depends on the trailer and boat. Has the trailer got rollers or bunks? What sort of hull are you looking at, sailing,motor, fin keel or bilge keel? Bit more info will, no doubt, get you a few answers

  3. #3
    Join Date
    Feb 2005
    Location
    Near Here
    Posts
    35,346

    Default

    Probably need a ground survey.
    Another person's thoughts about you are outside of your jurisdiction.

  4. #4
    Join Date
    Nov 2009
    Posts
    136

    Default

    I recently had a similar problem, I bought a project boat and borrowed the trailer it was on for delivery.
    When I delivered it I just lifted the trailer and slid the boat off onto the floor...

    But when I wanted to put it back on a new trailer I realised my stupidity.

    So as mine was fairly light, and in my club there are a few members who aren't, we managed to rock it up using blocks to a height higher than a trailer, then whilst holding the nose up removed the front blocks and slid underneath the new trailer.

    Scaffold poles are great between bilge keels.

    This worked for me but it was a small sail boat with bilge keels. We did intend to use car jacks and wooden planks across the bilges to jack it up but found burly men and brute force quicker but probably less safe and healthy.

    Good luck!

  5. #5
    Join Date
    Apr 2005
    Location
    Shropshire
    Posts
    7,493

    Default

    The boat is a bilge keeler.

  6. #6
    Join Date
    Nov 2008
    Posts
    5,712

    Default

    I did it with a considerably bigger boat, by tying the boat to a lamp post, and pulling the trailer out from under. We did put blocks under the boat as it came off. No drama.

  7. #7
    Join Date
    Nov 2007
    Location
    Boat Orwell - Me Norwich
    Posts
    5,040

    Default

    I used to easily load a Leisure 17 bilge keeler (c 675kg) with two people on and off trailers by levering it up onto blocks (using the baot as the lever), as follows. Might need a third person for a tonner.

    From boat on ground -
    Lift bow (shoulder under it) while assistant places block under lifted end of each keel (I used standard concrete blocks, wooden (e.g. section of rail sleepers) would be less weight/effort), lower onto blocks (boat is now bow up).
    Lift stern and ditto.
    Lift stern again and put another block under.
    Back to bow and repeat until you are at or slightly above level of trailer (I used flatbed).
    Then slide/walk boat onto trailer by pushing one side then the other (best two or more people), or by dragging it with a tackle on the front of the trailer.

    Getting it off the trailer is reverse of the above.

    I once got it off the trailer alone by tying the boat's stern to a stout tree, edging the trailer forward until rear of keels overhanging trailer, placing rear blocks under exposed back of keel, edging forward until rear of keel dropped gently onto blocks and continued until boat just hanging onto trailer by front of keels, placing blocks under these, then driving away slowly while front of keels slid gently off back of trailer leaving the boat standing on the blocks at each end of the keels.
    LM27 - The sailor's motor-sailer

  8. #8
    Join Date
    Nov 2009
    Posts
    136

    Default

    Quote Originally Posted by LittleSister View Post
    I used to easily load a Leisure 17 bilge keeler (c 675kg) with two people on and off trailers by levering it up onto blocks (using the baot as the lever), as follows. Might need a third person for a tonner.

    From boat on ground -
    Lift bow (shoulder under it) while assistant places block under lifted end of each keel (I used standard concrete blocks, wooden (e.g. section of rail sleepers) would be less weight/effort), lower onto blocks (boat is now bow up).
    Lift stern and ditto.
    Lift stern again and put another block under.
    Back to bow and repeat until you are at or slightly above level of trailer (I used flatbed).
    Then slide/walk boat onto trailer by pushing one side then the other (best two or more people), or by dragging it with a tackle on the front of the trailer.

    Getting it off the trailer is reverse of the above.

    I once got it off the trailer alone by tying the boat's stern to a stout tree, edging the trailer forward until rear of keels overhanging trailer, placing rear blocks under exposed back of keel, edging forward until rear of keel dropped gently onto blocks and continued until boat just hanging onto trailer by front of keels, placing blocks under these, then driving away slowly while front of keels slid gently off back of trailer leaving the boat standing on the blocks at each end of the keels.
    My exact same process just I might not have described it very well!
    It is easy enough and the more hands the easier the job!

  9. #9
    Join Date
    Dec 2006
    Location
    Midlands
    Posts
    1,686

    Default

    Two pieces of substantial timber, one fwd and one aft.
    Blocks at each corner and jack each corner in turn until through boat is high enough to slide to trailer out.
    We use this method every winter with app 30 boats per year put on the hard for winter and re launched in spring, do it with mine and its 6 Ton.

  10. #10
    Join Date
    Jun 2001
    Location
    Home Shropshire 6/12; boat Greece 6/12
    Posts
    10,361

    Default

    Quote Originally Posted by macnorton View Post
    Two pieces of substantial timber, one fwd and one aft.
    Blocks at each corner and jack each corner in turn until through boat is high enough to slide to trailer out.
    We use this method every winter with app 30 boats per year put on the hard for winter and re launched in spring, do it with mine and its 6 Ton.
    Similarly, with my 22'. But I jacked up the trailer and boat, put adjustable pallet racking under the boat and then let down jacks and trailer - it had to be high enough to be able to drop the keel to prepare and anti-foul.
    Then slid the trailer in when it was time to get the boat back in the water.

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