Wellcraft Nova Spyder 23' outboard conversion

Discussion in 'Powerboats' started by pambs, Jul 6, 2006.

  1. pambs
    Joined: Jul 2006
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    pambs New Member

    Hi

    my name is Pambos and i'm from Cyprus, i'm 25.

    i 'm planning is to close the cut for the inboard engine and modify the rear to accept an outboard 250hp engine like the evinrude etec

    below are the boat specs

    WC_PIG_23_Nova_Spyder_1994.jpg

    let me hear your thoughts
     
  2. antonfourie
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    antonfourie Senior Member

    I think that you would be better off looking for a boat designed for a outboard.
     
  3. pambs
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    pambs New Member

    why what can go wrong?
     
  4. antonfourie
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    antonfourie Senior Member

    You will change the C of G of the boat which may lead to porpoising when at speed. The deck layout will also change which may give you more cockpit space.
     
  5. pambs
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    pambs New Member

    this was suggested to me by a boat builder, i'm not going to do it myself

    so your thoughts are better find an inboard engine to fit it
     
  6. pambs
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    pambs New Member

    would it be any difference if a add 2x250hp outboards?
     
  7. Jeff
    Joined: Jun 2001
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    Jeff Moderator

    Pambs - did you pursue this?

    This summer I spent so much time playing with sterndrives that as a "practical" solution I did consider for a moment fitting a friend's pair of 250 bluewater mercs to my nova 26 ST, redoing the transom, adding knees, moving the rear bench back a bit... but I ended up sticking with IOs for now and didn't pursue the idea very far. I am curious however if you did.
     

  8. Knut Sand
    Joined: Apr 2003
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    Knut Sand Senior Member

    I assume he has moved on... 2006...?

    Didn't notice the date at first glance....

    However the total merc installation (454) as mentioned in the first attached paper, will probably be close to 500 kgs? (Wild guess).
    An Evinrude 250 E-tec weigh about 230-240 kgs, so even placed longer aft, It could work....

    But "What can go wrong?"
    Ehhhrhhhh; "what could easily go right?" may even be a better question....
     
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