GSC Systems - GSC Tech Series - Fixed Pitch Props

GSC Tech Series - Fixed Pitch Propellers

GSC Systems has been producing quality fixed-pitch ultralight hardwood propellers since 1984.

All GSC fixed-pitch propellers are manufactured from clear selected Eastern Maple hardwood and are laminated using Aerolite® aircraft-quality glue.

The carving process begins by using master copies on a carving machine. Propeller blades are cut to shape and are then transported to a CNC programmed router machine. Here blades are cut to exactly the same profile and pitch. The propellers are then hand sanded to remove any machine marks. They are subjected to inspection at each stage of production. An initial balance is then done at this point.

After balancing the propellers are then sanded again to finish quality, and a final balance is performed. The props are sealed to prepare for final finish, one more sanding is done and then the props are ready for final coating.

At final coating a two-part automotive polyurethane with added U.V. protection is used. This coating is extremely durable in harsh environments and yet is flexible enough to absorb the movement to which a propeller is subjected. The clear coat finish enhances the beauty of the maple wood while providing superior protection.

Fixed-pitch propellers are ideal for flyers that wish to be able to attach their propellers and immediately be ready to fly. There is no valuable time lost in adjusting pitch, and generally a fixed-pitch propeller is a less expensive option than a ground adjustable propeller.

Another advantage to a fixed-pitch propeller is strength. Construction is such that the wood fibers in the laminations run the entire length of the propeller, allowing it to absorb considerable harmonic vibrations from the engine or crankshaft. Because of this superior strength GSC Systems will suggest that a fixed-pitch propeller be used on any direct drive engine (such as Subaru®, Jabiru®, and Volkswagen®.

The fixed-pitch propellers can be ordered in hub thicknesses between 1 ½” up to 2 3/8”. Diameters are available from 32” up to 72”. Specialty fixed pitch propellers can be made on request.