Affordable seaworthy cruiser

Discussion in 'Boat Design' started by goodwilltoall, Jul 31, 2010.

Thread Status:
Not open for further replies.
  1. SamSam
    Joined: Feb 2005
    Posts: 3,899
    Likes: 200, Points: 63, Legacy Rep: 971
    Location: Coastal Georgia

    SamSam Senior Member

    Sure, plugged into a current bush.
     
  2. MikeJohns
    Joined: Aug 2004
    Posts: 3,192
    Likes: 208, Points: 63, Legacy Rep: 2054
    Location: Australia

    MikeJohns Senior Member


    Girders are actually a very common term in naval architecture !
     
  3. goodwilltoall
    Joined: Jul 2010
    Posts: 844
    Likes: 26, Points: 28, Legacy Rep: 31
    Location: nation of Ohio

    goodwilltoall Senior Member

    Greetings,

    trying to upload
     

    Attached Files:

  4. goodwilltoall
    Joined: Jul 2010
    Posts: 844
    Likes: 26, Points: 28, Legacy Rep: 31
    Location: nation of Ohio

    goodwilltoall Senior Member

    more,
     

    Attached Files:

  5. goodwilltoall
    Joined: Jul 2010
    Posts: 844
    Likes: 26, Points: 28, Legacy Rep: 31
    Location: nation of Ohio

    goodwilltoall Senior Member

    Last one,
     

    Attached Files:

  6. goodwilltoall
    Joined: Jul 2010
    Posts: 844
    Likes: 26, Points: 28, Legacy Rep: 31
    Location: nation of Ohio

    goodwilltoall Senior Member

    The draft of 34" is regretable, but has to be with 24.4" prop.

    Forward area uses Bolger technique of upsept forward rocker and added vee cutwater below. This was done to reduce displacement and it slaps less, the COB moved aft as a result.

    Full keel will be used, the boat is more on top of the water and would bob around to much without it.

    The 45 degree stringer frame is correct in the full view, its shown empty but could possibly be used for extra fuel or trim ballast.

    This is something of what it will look like, reply if any structural or water flow problems are noticed.
     
  7. frank smith
    Joined: Oct 2009
    Posts: 980
    Likes: 14, Points: 28, Legacy Rep: 185
    Location: usa

    frank smith Senior Member

    I would think about a Bolger type box keel.
     
  8. goodwilltoall
    Joined: Jul 2010
    Posts: 844
    Likes: 26, Points: 28, Legacy Rep: 31
    Location: nation of Ohio

    goodwilltoall Senior Member

    Box keel wont work with engine setup.

    Peace.
     
  9. frank smith
    Joined: Oct 2009
    Posts: 980
    Likes: 14, Points: 28, Legacy Rep: 185
    Location: usa

    frank smith Senior Member

  10. BATAAN
    Joined: Apr 2010
    Posts: 1,614
    Likes: 101, Points: 0, Legacy Rep: 1151
    Location: USA

    BATAAN Senior Member

    I see Goodwilly is still keeping the pencil manufacturers in business. If this actually gets built (not likely), it will prove to be uncomfortable, ugly and have a short life due to the materials chosen. Unless perfectly saturated with epoxy, poor quality plywood has a nasty habit of rotting in dark, damp corners, and this design is full of them.
    I salute him for his application of logic to design, but fault him for his willful and repeated ignorance of what actually works and what does not. The "chine tanks" are one example.
    This is a design for a strong girder, not a boat.
    Why do people re-invent the wheel, make it square, and then trumpet from the rooftops how superior this is?
    This is a box. This is not a boat. It may float and perform some boat-like functions but will reveal many bad habits in use.
    Try going downwind in a big breaking sea, and, if you survive, tell me how the steering was?
    There are reasons boats are the way they are. Some of these reasons are not apparent, even seemingly illogical, upon first viewing, but become obvious over long use.
    As an example, I give a very crude craft which is much better than the design in question.
    Please note and read the last sheet with the little girl steering. Competence comes from knowing what you are doing, which I must conclude GW does not. But his design drawings full of religious propaganda and self-importance are entertaining, when they are not insulting.
     

    Attached Files:

  11. frank smith
    Joined: Oct 2009
    Posts: 980
    Likes: 14, Points: 28, Legacy Rep: 185
    Location: usa

    frank smith Senior Member

    Batann , nice boat , are there lines published ?
     
  12. BATAAN
    Joined: Apr 2010
    Posts: 1,614
    Likes: 101, Points: 0, Legacy Rep: 1151
    Location: USA

    BATAAN Senior Member

    Here's more of the vessel and a body plan of a similar smaller craft.
     

    Attached Files:

  13. frank smith
    Joined: Oct 2009
    Posts: 980
    Likes: 14, Points: 28, Legacy Rep: 185
    Location: usa

    frank smith Senior Member

    Thats interesting , a dory like hull form like the SF Pelican , or a St.Pierre .
    It is much kike a large dinghy . It could be cross planked on the bottom and strip planked on the sides . I would not use any epoxy , and go for better wood and fasteners .
     
  14. BATAAN
    Joined: Apr 2010
    Posts: 1,614
    Likes: 101, Points: 0, Legacy Rep: 1151
    Location: USA

    BATAAN Senior Member

    Since there is little or no ballast, possibly the heavy hardwood construction is helpful in maintaining stability. I agree about cross plank bottom and strip sides, though plank sides would be just fine. CP bottom requires a healthy chine log and has its own problems though.
     

  15. frank smith
    Joined: Oct 2009
    Posts: 980
    Likes: 14, Points: 28, Legacy Rep: 185
    Location: usa

    frank smith Senior Member

    The sides could be good Doug Fir , or Atlantic cedar , Though I think there would be problems with expansion and contraction . I would do the chine logs flat on the bottom .

    I think the bottom shape is derived from straight boards just leaned out to get the required rocker , that would make sense .
    Very cool boat , and light, Ill bet she would be fast .
    No indication of rudder or board in the posted info .
     
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.
Thread Status:
Not open for further replies.