The Script
16.05.2021 23:54:12
There are 8 references cited in this article, which can be found at the bottom of the page. more
See full version: How to Fiberglass
There are 8 references cited in this article, which can be found at the bottom of the page. more
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The fiberglass thickness determines the bevel length which is also the distance from the corner to the location of the cuts for removing the fiberglass skin. As mentioned, the cut line will be located to allow the outer edge of the bevel to end before the corner of the transom. The distance of the cut line (and the bevel) back from the corner is 12 times the fiberglass thickness. [links]
Creating a scarf angle on the original laminate helps in many ways. It provides a substantial amount of surface area for adhesion and acts as a transition zone so that the difference in properties of the new and original laminate are not concentrated at one point. We suggest a minimum 12:1 scarf ratio between the length of the scarf and the laminate thickness. This ratio applies to both skins when repairing a cored laminate. here
—Excerpted from Common Errors in Fiberglass Repair by Jeff Wright, Epoxyworks 38 [links]
*Average of multiple layers applied by hand lay-up more
Laminate thickness dictates laminate stiffness. Matching the thickness of the laminate you’re repairing will generally result in similar stiffness to the part you are repairing. more
A 12-to-1 bevel allows room for multiple layers of fiberglass fabric and epoxy across the cut line to restore strength to the fiberglass skin. If the fiberglass skin is 1/8″-thick, the width of the bevel will be at least 1 ½” long. If the fiberglass is ¼” thick, the cut line will need to be at least 3″ in from the edge of the perimeter to allow for a 3″ bevel. If the original fiberglass skin is reused, the same bevel will eventually be required on each side of the cut after the skin is rebonded to the new core. [links]
The Panther's adventurous appearance incorporates a durable light weight fiberglass body/ hull, and is a next generation off road chromoly chassis built to hold up to extreme pounding abuse on land or in water. Not only is the body/hull extraordinarily strong, it is filled with 32 cubic feet of US Coast Guard approved closed cell styrofoam making it virtually unsinkable. here
There are two parts to the equation of why WaterCar has revolutionized amphibious construction forever. The first part is the hull. WaterCar has built and tested over a hundred hull bottom designs. The finest naval architects from different parts of the world have all contributed to the Panther design. The second is the chassis structure, modern day automotive technologies have been slow to develop compared to aircraft and aeronautical technology. However, recent pressures on the automotive engineers to make "faster, lighter, stronger" advanced composite construction has flooded automotive industry with new technology. WaterCar has incorporated the newest and best of this technology to create one of the most state of the art hull and chassis designs.
[links]
Creating a scarf angle on the original laminate helps in many ways. It provides a substantial amount of surface area for adhesion and acts as a transition zone so that the difference in properties of the new and original laminate are not concentrated at one point. We suggest a minimum 12:1 scarf ratio between the length of the scarf and the laminate thickness. This ratio applies to both skins when repairing a cored laminate. here
To determine the number of fabric layers required to achieve a specific laminate thickness, divided the thickness desired by the single-layer thickness of the tape or fabric you intend to use.
Laminate thickness dictates laminate stiffness. Matching the thickness of the laminate you’re repairing will generally result in similar stiffness to the part you are repairing.
—Excerpted from Common Errors in Fiberglass Repair by Jeff Wright, Epoxyworks 38 here
*Average of multiple layers applied by hand lay-up