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Antenna rotators arrow BIG-RAK - Azimuth Rotator

BIG-RAK - Azimuth Rotator
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BIG-RAK - Azimuth Rotator

Price: 1190,00 €

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SPID BIG-RAK is a heavy duty antenna positioner in the same class as the Yaesu G-2800 but with advanced digital features and at an outstanding price.

Mechanical complexity is reduced to a minimum by utilizing a simple double worm gear drive system. Position readout is sensed by a magnetic reed switch. The controller has a full complement of features including digital readout.

Rotating torque is 8000 lb-inches (904 Newton meters). This is significantly more than any other rotator in the same price range, and even higher than other rotators costing nearly twice as much (e.g., Yaesu G-2800 or Orion 2800).

Positioner (Rotator)

  • Low voltage - high torque DC gear head motor
  • Rotating speed: 240 sec at 12v to 145 sec at 24v
  • Quiet and powerful self-braking action with double worm drive reduction
  • Real steel housing and final worm drive - no soft pot metal or cast
  • Uses inexpensive 4 conductor cable
  • Sealed reed switch sensor technology for reliable all weather readout
  • 1 degree positioning accuracy - tight tolerances for minimal play
  • Rated for large loads even when mounted outside the tower
  • Designed for simple mounting to 68 mm pipe mast - both ends
  • Adaptors available to mate with other common rotator bolt patterns


  • Manual, Automatic, Scanning, and Programmable modes
  • Digital readout with 1 degree resolution
  • Large easy to read soft green LED display
  • Computer interface via included serial cable, including Hygain, Yaesu and Orion emulation modes
  • Low voltage DC operation from any 12 volt source (typically 2-5 amps)
  • Ideal for camping, DXpeditions, VHF/UHF rovering
  • Can be zeroed at any position to allow for installation inaccuracy or antenna mount slippage
  • Generous overtravel (+/-180) with electronic limit
  • Programmable limits ideal for side mount applications
  • Small front panel to simplify stacking several units takes up less valuable space
  • Mouse control with 6 user programmable presets

Rotator Cable - requires 4 cores


Engine voltage
12V 18V
Rotating torque 8000 in lb/904 Nm 8000 in lb/904 Nm 8000 in lb/904 Nm
Rotation time for 360° 240 s
190 s
145 s
Braking torque 24000 in lb/2712 Nm
Break type Double worm
Vertical load
>315 kg
Rotation angle
360º +/-180º
Weight 15 kg
Encoder type
Magnetic 4 pulse
Mast diameter top/bottom
68/68 mm

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Last Updated: Tuesday, 28 May 2024 22:35