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HULL FRAMEWORK
ASSEMBLAGE

Fabrication of the hull framework is started by aligning, leveling, and squaring the wooden strongback.

The transverse frames are then setup on the building strongback, and stabilized with the addition of the CVK and the first longitudinal frame as pictured below.

Witness marks are called out on the longitudinal frames where they intersect the transverse frames, establishing the exact location of their intersection.

The CVK is the prime longitudnal. All other longitudinals will tie into the CVK at the bow as shown in the following closeup. In this picture the first longitudinal has yet to be secured to Transverse frame #1 and the CVK.

Shown next is the stern of the boat. Frame #8 and the Transom have yet to be installed. The first longitudinal is secured to frame #7 and has been left long at this point.

The triangle section at the end of the CVK will be used to align the transom. It will be removed at an appropriate time.

Next, a view of the bow is followed by a stern view. They show the transom in place along with all the longitudinal frames, except the two nearest the CVK. These two longitudinals are installed after the prefabricated keel.

The longitudinals have also been cut and placed in position at the CVK and Transom. Witness marks have also been placed on the longitudinal frames where they are to be cut. Witness marks or drawings also indicate where the longitudinal intersect the CVK and transom.



FITTING THE KEEL

Referring to the plans you can educate yourself as to how the keel lays out and fits onto the hull. In general the keel framing will slide down the hull framework to it final position 5/8" from the top of the cabin sole angle.

The most important indication of proper keel position on the hull is the relationship of the angle of the transom and the angle of the keel at its aft edge. The angle of the keel and transom must be in plane from the bottom of the keel to the top of the transom.

The Keel in Position



FINAL FRAME WORK

Before adding the missing longitudinal's weld the keel solid weld to the hull framing. The additional space will make the welding a little easier.

The below pictures show the framework completed. It has been welded and cleaned.


READY FOR SHELL PLATING


Building the Bezier 12.5


The Bezier 12.5 is a 16 foot, classic styled aluminum daysailer being built right now.
You can follow it's progress on the button links below.

  About the 12.5 Design
  Design History

  12.5 Archtictural Drawings
  View drawings

PreFabrication:

  Saw Cut
  Longitudinal's

  Roll Formed
  Longitudinal's

  Assembling
  Transverse Frames

  Transom
  Transom Fabrication

  Fabrication of
  The Keel

  Assembly of
  Hull Strongback

  New!  Fabrication of
  Bezier Shell Plating


Fabrication of the Hull:

  Framework
  Construction

  New!  Plating the
  True Round Hull Section

Current Stage of Construction
Below: