Servo Arm, 3-3/4"

Mfn. No: PDRS006

Availability: In Stock. Ships within 24 hours.


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This polished aluminum giant-scale double-side servo arm is clear anodized and laser etched after being CNC-machined from a solid billet of 6061 T6 aircraft aluminum. Broached to fit ProModeler (and Futaba) servos (25-splines), this unit is perfect for heavy duty applications like the rudder because because it features dual clamps to help secure the servo arm to the splines (necessary for extreme flight loads). Drilled and tapped for 4-40 threads, this is a smart choice when high flight loads are part of the equation.

Dimensions: 25-spline (Futaba-compatible)

  • 1st hole: 13/16" from center (1-9/16" hole-to-hole)
  • 2nd hole: 1-9/32" from center (2-9/16" hole-to-hole)
  • 3rd hole: 1-1/2" from center (3" hole-to-hole)
  • 4th hole: 1-11/16" from center (3-3/8" hole to hole)
  • 5th hole: 1-7/8" from center (3-3/4" hole-to-hole)