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  1. JSL
    Post

    Looking for info on bowpickers

    could be a gamble. there are good and bad builders
    Post by: JSL, Jan 8, 2020 in forum: Boat Design
  2. JSL
    Post

    Looking for info on bowpickers

    do you know (or find out) who the builder is and the date, the designer.
    Post by: JSL, Jan 8, 2020 in forum: Boat Design
  3. JSL
    Post

    What's the biggest mast that a home/backyard builder could make?

    I assume you are talking about a 'box' type hollow construction & not a solid mast. many years ago I worked with a mast builder on a few...
    Post by: JSL, Jan 5, 2020 in forum: Boat Design
  4. JSL
    Post

    What could be done with an enclosed lifeboat?

    one aspect: Consider visibility: You want to enjoy the scenery You want to enjoy safety - good visibility is critical for the Collision Regulations
    Post by: JSL, Dec 31, 2019 in forum: Boat Design
  5. JSL
    Post

    Potentially Stupid Concept (Houseboat?/Landingcraft?)

    interesting project. Kind of skinny Probably okay for protected waters. Your Camaro is in the 'spray' zone so expect it to corrode quickly
    Post by: JSL, Dec 13, 2019 in forum: Boat Design
  6. JSL
    Post

    Expanded metal core with fiberglass

    valid remarks. - You could also add the electrical aspect. Steel conducts, frp doesn't. A lightening strike or short circuit could be...
    Post by: JSL, Dec 6, 2019 in forum: Materials
  7. JSL
    Post

    Chine walk speedboat

    Interesting problem. May be a tall stretch but.... If there is a 'cabin top' that is enclosed (I can't see on the photos) this might be behaving...
    Post by: JSL, Dec 2, 2019 in forum: Stability
  8. JSL
    Post

    Hi everyone, I would like to start a boat building business. I need suggestions from you guys

    All the previous is really good advice - I will add/comment (a) Ship building and boat building are quite different so boat building experience is...
    Post by: JSL, Nov 29, 2019 in forum: Boat Design
  9. JSL
    Post

    Legal status of semi-submarines

    Also - read up on the 'Collision Regulations' regarding lights, shapes, rules, etc . You are still a surface vessel and would have to comply.
    Post by: JSL, Sep 17, 2019 in forum: Boat Design
  10. JSL
    Post

    Crestliner Nightmare

    If you are getting weld cracking and 'longevity' is what you consider a "performance issue"....... you got a problem. I have seen similar...
    Post by: JSL, Sep 15, 2019 in forum: Metal Boat Building
  11. JSL
    Post

    Bow door turning block

    Try a marine rigging store West marine
    Post by: JSL, Sep 15, 2019 in forum: Boat Design
  12. JSL
    Post

    Lifting Strake Width

    Assuming the LWL is about 90', these speeds are not good for a deep V planing hull form: your speed/length ratios are 2.9 and 2.3 respectively......
    Post by: JSL, Sep 6, 2019 in forum: Boat Design
  13. JSL
    Post

    Lifting Strake Width

    what is your cruising & max speed???
    Post by: JSL, Sep 5, 2019 in forum: Boat Design
  14. JSL
    Post

    Calculating power requirements for full displacement hull

    how about we get all the facts* about this installation so contributors to the solution find it a bit easier. (* wl length, displacement, power,...
    Post by: JSL, Sep 2, 2019 in forum: Boat Design
  15. JSL
    Post

    Wiring and plumbing watertight compartments

    'google' sealing watertight bulkhead penetrations
    Post by: JSL, Sep 2, 2019 in forum: Boat Design
  16. JSL
    Post

    Aluminum vs plywood bending

    Keep in mind that welding can distort aluminum (stress relief) and probably more so when stressed due to curvature. For the structure make sure...
    Post by: JSL, Aug 31, 2019 in forum: Boat Design
  17. JSL
    Post

    battens & ducks

    Be aware- lead is a heavy metal and somewhat toxic. Once your ducks are done, paint them.
    Post by: JSL, Aug 22, 2019 in forum: Boat Design
  18. JSL
    Post

    cross galvanic corrosion?

    I thinks these are same as isolation transformers
    Post by: JSL, Aug 21, 2019 in forum: Boat Design
  19. JSL
    Post

    What the heck is this thing? A bell, a light?

    I should have picked up on this before but: Perhaps it is a container for a 'day shape' to comply with the ColRegs... ie: a pull down cone,...
    Post by: JSL, Aug 18, 2019 in forum: Boat Design
  20. JSL
    Post

    What the heck is this thing? A bell, a light?

    radar domes usually have the mounts under the unit so the dome can be removed for servicing. My guess: it might be a 'gong' which has a distinctly...
    Post by: JSL, Aug 18, 2019 in forum: Boat Design
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