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Miniature Air Gap Inspection Crawler


This tracked vehicle, only 1 1/4" in thickness, carries high resolution video cameras to inspect the rotor and stator surfaces inside an electrical generator.  Nova Technology designed and fabricated the control system as well as the tool.

System Features:

  • Fits in 1 3/16" entrance gap

  • Expandable tractor travels 360° around a generator field

  • Multiple head attachments available

  • Two high resolution cameras

  • Right angle camera can continually pan 

  • 3 independent motors allow the tractor to turn and tilt

  • Computer controlled servo motors maintain position

  • Frame grabber captures digital pictures from cameras

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