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  1. dougfrolich
    Post

    Is this glass compatible with epoxy?

    Bi-axial implies fibers running along the weft and warp direction that is 90 degrees and 0 degrees as it comes off the roll. Double Bias implies...
    Post by: dougfrolich, Nov 19, 2014 in forum: Fiberglass and Composite Boat Building
  2. dougfrolich
    Post

    Bow shape and keel arrangement

    A look at actual Clipper Lines may be helpful to the discussion.
    Post by: dougfrolich, Oct 20, 2014 in forum: Sailboats
  3. dougfrolich
    Boat Design Gallery

    NavStation_Rascal

    Uploaded by: dougfrolich, Jul 19, 2014, 0 comments, in album: Member Album by dougfrolich
  4. dougfrolich
    Boat Design Gallery

    Biz Jet for 8 PAX

    Uploaded by: dougfrolich, Jul 10, 2014, 7 comments, in album: Member Album by dougfrolich
  5. dougfrolich
    Post

    Hull suggestions for easily driven electric boat/bus/liveaboard

    I like your idea. One place to look for some inspiration is:...
    Post by: dougfrolich, Jun 23, 2014 in forum: Boat Design
  6. dougfrolich
    Post

    So what went wrong???

    I noticed the door at the transom was open as the boat was entering the water. Check the launch video at 2:30. But it was closed at the end of...
    Post by: dougfrolich, May 23, 2014 in forum: Boat Design
  7. dougfrolich
    Thread

    Stability during launch

    Bad news at Northern Marine. Video shows what happened....
    Thread by: dougfrolich, May 23, 2014, 8 replies, in forum: Stability
  8. dougfrolich
    Post

    Planing Hull Slow Speed Performance Improvement?

    "The second design won't decrease drag compared to the first design, and might even increase it. The angle between the hull bottom and the bracket...
    Post by: dougfrolich, Mar 3, 2014 in forum: Hydrodynamics and Aerodynamics
  9. dougfrolich
    Post

    Isolating metal fasteners in carbon fiber panels

    This paper presents a very well done study.
    Post by: dougfrolich, Feb 27, 2014 in forum: Materials
  10. dougfrolich
    Post

    static stability

    Are you asking about Static Equilibrium?--When the resultants of all forces and moments acting on an object are zero. For a floating rigid...
    Post by: dougfrolich, Feb 19, 2014 in forum: Stability
  11. dougfrolich
    Post

    rudder post sizing of spade rudder

    To add to the above, Have a look at the booklet from ABS Scantlings for Offshore Racing Yachts 1994 was the last up date but you can download the...
    Post by: dougfrolich, Feb 7, 2014 in forum: Boat Design
  12. dougfrolich
    Post

    3D Model from pdf drawings

    Archimedes
    Post by: dougfrolich, Nov 12, 2013 in forum: Software
  13. dougfrolich
    Post

    Foil Assist for Windsurfer

    This is a popular one with Kite Boarders
    Post by: dougfrolich, Nov 4, 2013 in forum: Sailboats
  14. dougfrolich
    Post

    any "big names", personalities, etc in navy ship design?

    John W. Griffiths maybey not specifically known for Naval Ships but a great personality in Ship building and Design during the mid/late 1800's....
    Post by: dougfrolich, Oct 29, 2013 in forum: Boat Design
  15. dougfrolich
    Post

    Anyone mold silicone or urethane?

    Check out products from www.alumilite.com
    Post by: dougfrolich, Oct 15, 2013 in forum: Fiberglass and Composite Boat Building
  16. dougfrolich
    Post

    Last voyage for Costa Concordia cruise ship

    Thanks DC for that info. Awesome!!!
    Post by: dougfrolich, Oct 11, 2013 in forum: All Things Boats & Boating
  17. dougfrolich
    Post

    Just beautiful! Riva Aquarama Lamborghini has been restored

    Perfecto!!
    Post by: dougfrolich, Oct 7, 2013 in forum: Powerboats
  18. dougfrolich
    Post

    The LOOSE GOOSE Custom Build

    I'd give MPYD a call to make sure URAOK.
    Post by: dougfrolich, Aug 4, 2013 in forum: Boatbuilding
  19. dougfrolich
    Post

    Can Fiberglass,Carbon or Kevlar be used w/Mahogany in cold molding?

    Here is a a portion of a study from a while back--comparing a state of the art pre-preg hull shell panel to a much less expensive, wood-wet lay-up...
    Post by: dougfrolich, Jul 18, 2013 in forum: Boatbuilding
  20. dougfrolich
    Boat Design Gallery

    Composite ChainPlate

    New Composite ChainPlate for a 50 footer
    Uploaded by: dougfrolich, Jul 1, 2013, 0 comments, in album: Member Album by dougfrolich
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