This is a package of six R/C Airplane 4.2x4 APC 1/2A Control-Line Propellers
by Landing Products.
APC props are manufactured using a pultrusion process. This method
causes the fiberglass "fibers" to be oriented axially in 1/2" long
pellets, allowing for a higher fiber (60%) to resin (nylon binder)
density. Providing substantially higher strength and stiffness than
glass filled nylon.
The additional stiffness is beneficial to control vibration
The higher strength allows the use of thinner cross-sections,
beneficial to weight and aerodynamic efficiency.
Molded in Dark Gray composite material
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