Tag: Airplane

Alignment Marks

Applying the wet-out fiberglass layers can be a messy experience.  Sometimes these wetout layers are pre-cut and need to be applied in a specific orientation to fit properly. The following is part of the process used during the...

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M1911: Foam and Epoxy

Project M1911 gets its shape from the polystyrene foam that was cut previously.  An ABS plastic pipe will run through the center of this foam to serve a few purposes: Add rigidity and strength to the structure Provide the barrel...

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Compression Molding Large Vehicle Parts

Compression molding with composite resins can yield very durable, strong, and well-engineered parts. Placing reinforcements (usually fibered glass) and resin in a heated metal mold before compressing it under high temperatures...

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Making a Small Mold

There are many methods and materials that can be used for making a fiberglass composite mold. I found a video from Eastbay Composites that demonstrates a method for making small molds in a very quick and inexpensive fashion....

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Making Holes

If you are working with fiberglass parts, you may need to attach other parts, pieces, and features mechanically with fasteners.  Bolts and rivets are the most common mechanical fasteners used to accomplish this. Composites with...

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Fiberglass Fertilizer Box

Composites’ resistance to rust and harsh chemicals along with the ability to form complex one-piece shapes allows for its use as a fertilizer box on an old corn planter. This piece was removed from the original...

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Fiberglass Grating

A composite product that I have worked with in the past is fiberglass grating.  Made of composite fiberglass and resin, this material is used as a flooring and walkway material in many applications, and especially for industrial...

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Liquid now, Hard later

Most of the traditional Thermoset Unsaturated Polyesters, Thermoset Unsaturated Vinylesters, and Epoxies arrive at the fabrication shop as liquids in buckets, drums, totes, or tankers. They require liquid hardeners to be mixed...

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Cutting Layup Reinforcement

When working with reinforcements in the form of a woven mat, cutting is necessary to allow for proper orientation, workability, and strength. The most common way to cut these mats is with industrial scissors. Other methods...

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Fire Hazards

FRP Composites use several materials that are flammable. Examples include gelcoat, resin, cleaning solvents, initiators, mold treatments, and other chemicals used in the molding and polishing processes. These materials must...

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Alligatoring Causes

One of the challenges of using Gelcoat is the potential for the defect called alligatoring. This is described as a wrinkled surface on the completed part after it is removed from the mold, and results in extensive post-mold...

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Decorative Carbon Fiber

The automotive aftermarket makes use of decorative carbon fiber as an aesthetic means to differentiate a vehicle. Carbon fiber hoods, spoilers, and interior pieces add a cool aspect to many of the “tuner” vehicles...

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