Electric drive motors for sail craft (mono & multi)

Discussion in 'Hybrid' started by masalai, Mar 28, 2008.

  1. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

    It is getting to that stage where new developments, products and "market prices" can be found at one point.
    This parallels BATTERIES at
    http://www.boatdesign.net/forums/showthread.php?p=193456#post193456
    and hybrid power at
    http://www.boatdesign.net/forums/showthread.php?t=21860
    Gensets...
    http://www.boatdesign.net/forums/showthread.php?p=193525#post193525



    Discussion...
    http://boatdesign.net/forums/showthread.php?t=9310
    Solomon Technologies...
    http://boatdesign.net/forums/showthread.php?t=676
    Some reference sites
    http://boatdesign.net/forums/showpos...6&postcount=10
     
  2. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

  3. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

  4. Archim
    Joined: Apr 2008
    Posts: 12
    Likes: 1, Points: 0, Legacy Rep: 23
    Location: Barbados, W.I.

    Archim Junior Member

  5. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

    Good additions to the database Archim, I also forgot the reference to Africancats, their pdf on "retractable" electric drives has a very good power to weight factor...
     
  6. brian eiland
    Joined: Jun 2002
    Posts: 4,788
    Likes: 157, Points: 73, Legacy Rep: 1903
    Location: St Augustine Fl, Thailand

    brian eiland Senior Member

    Rim Drive Motors

    Don't forget the up and coming 'rim drive motors'
    "Interestingly it appears as though the relatively new permanent magnet electric motor technology has driven this new interest in rim-drive propulsion. From Brunvoll," the development of RDT has been triggered by market demand for an increased number of ships where both the main propulsion units and the manouevering thrusters have electric motors with variable speed drives. In this context the RDT offers a number of advantages."

    So rim drive propulsion is advancing right along with the thruster development
    ."

    http://boatdesign.net/forums/showthread.php?t=9432

    There is a really big 'superyacht' that is in design stage and projected to utilize this technology. I'll add a reference to the rim drive discussions soon.
     
  7. Javaid Hosany
    Joined: Apr 2008
    Posts: 20
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Mauritius

    Javaid Hosany Junior Member

    Good Post
     
  8. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

    Here are some images I got from African Cats by email - - Hold the cursor over the image and the motor is 36.5kg with prop... for the 15kw or 10 kw versions?
     

    Attached Files:

  9. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

    Oops? and some more?
     

    Attached Files:

  10. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

    Attached Files:

  11. brian eiland
    Joined: Jun 2002
    Posts: 4,788
    Likes: 157, Points: 73, Legacy Rep: 1903
    Location: St Augustine Fl, Thailand

    brian eiland Senior Member

  12. kistinie
    Joined: Aug 2007
    Posts: 493
    Likes: 8, Points: 0, Legacy Rep: -74
    Location: france

    kistinie Hybrid corsair

    eletric Pod 360° engine and controler for trimaran

    Hi,

    i have taken the 1GM Yanmar engine out of my 36' 2.8Tons trimaran, and won't put it back !

    I'm searching for a pod engine i can rotate 90° or more.

    I have found theses additionnal sources for engine

    http://www.tsltechnology.com/marine/thrusters.htm
    http://www.bellmann.nu/?nr=1
    http://www.kraeutler.at

    and maybe an hubner-braun solution but not digged yet
    http://www.boot.de/cipp/md_boot/cus...ykloidenantrieb_-_ohne_Propeller<_01.08>.html

    As anyone already used such a product (e-pod, Krautler...)
    and what about water protection ?
    Is oil filling compulsory ?

    About brushless controler
    http://www.KellyController.com
    This seems interresting as they have a water proof low cost solution...but not tested !
    Same question, who know more about it ?

    thank's for help !

    Kind regards

    François
     
  13. gideon
    Joined: Oct 2009
    Posts: 14
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: netherlands

    gideon Junior Member

    Hallo Masalai the unit shown of 36.4 kilo complete is 9.6 Kw net with over boost to 13 Kw
    we are bringing out units ranging from 8 up to 25 Kw and the weight for the 25 Kw is below 70 kilo.
    the weight of the controllers amplifiers are less than 2 kilo

    Gideon
     
  14. masalai
    Joined: Oct 2007
    Posts: 6,823
    Likes: 120, Points: 0, Legacy Rep: 1882
    Location: cruising, Australia

    masalai masalai

    Thanks gideon,
    The thread is some 16 months old - - - - - apart from kistinie who uses another thread for her project...

    My build is well on the road to completion in April 2010 and Torqeedo seems the best option at present (a bit pricey though - but the rapidly increasing value of the AU$ may change that position... (See the second link at the bottom of this post)...
     

  15. gideon
    Joined: Oct 2009
    Posts: 14
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: netherlands

    gideon Junior Member

    Hallo Masalai, I have a lot of experience with Torqeedo since we are the importers for South Africa and they are ok but not for continues use and to small for your boat in my opinion, 6 KW each side is the minimum but I would advice 8 Kw your cat is nice and light weight but it does have a lot of windage and going upwind will be the problem

    Good luck with the build

    Gideon
     
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.