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APC IMAC Wide Blade Prop 20.0x10.0 (Nitro/Gas)

$25.80

Part Number: LP-SPW-200100

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Hong Kong

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USA

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APC Composite IMAC propellers are for use with Glow or Gas powered airplanes. Advanced Precision Composites propellers truly are state of the art! APC propellers are computer designed and engineered for aerodynamic precision. Each point of the blade from the tip to the hub is designed for maximum efficiency and propulsion. Constructed from composite plastics with wide blade design for IMAC Precision Scale Aerobatics.

APC props are manufactured using a pultrusion process. This method causes the fiberglass "fibers" to be oriented axially in 1/2 inch long pellets. This long fiber compound allows a higher fiber (60%) to resin (nylon binder) density than short or chopped fiber compounds. Viscous (skinning) effects during injection molding cause these long fibers to remain dominantly oriented in the propeller span-wise axis. This provides substantially higher strength and stiffness compared to more conventional processes which use short or chopped fibers. The long fiber composite material is both stiffer and stronger than glass filled nylon. The additional stiffness is beneficial to the control of vibration resonance response. The natural frequencies of the propeller must be kept high enough to preclude excitation from engine torsional vibration and aero-elastic flutter. The higher strength allows the use of (relatively) thinner cross-sections, beneficial to weight and aerodynamic efficiency in propellers.

Features:

  • Computer-optimized design gives these props a thinner profile and more "bite" with less noise
  • Lightweight molded nylon construction reduces rotating mass for higher output and longer life
  • Reinforcing carbon fibers help maintain true, constant pitch at any rpm
  • Special Wide blade design for use in IMAC Precision Scale Aerobatics competitions

Specifications:

  • Diameter: 20"
  • Pitch: 10"
  • Hub Diameter: 2.00 in
  • Hub Thickness: 0.61 in
  • Shaft Diameter: 5/16 in
  • Weight: 7.13 oz
  • Color: GREY