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Observator 100 years

50Nm heavy duty pantograph window wiper

A very powerful unit for its size, designed by Hepworth, adaptable for high-speed vessels, workboats and leisure crafts, where a compact design and an outstanding performance are paramount. Supplied as a fixed or variable arc model for 12 and 24 Volt dc. The standard motor has two speeds and a self-parking facility. Insulated earth return and EMC filter are standard. Pantograph and pendulum arms with blades up to 1000mm (39 inches) are available.


  • 2 speeds, self-parking, insulated earth return, 12Vdc and 24Vdc
  • Angles of arc fixed pantograph: 25º to 90º
  • Angles of arc variable pantograph: 35º till 90º
  • Spindle centers between drive liner & idler = 50mm (pantograph units only)
  • Drive & idler liner M20 – CZ121 Marine brass liner / 12mm SS spindle
  • Liner overall length bulkhead thickness + 120mm (liners over 125mm are available)
  • Compact bracket
  • Arms: pantograph arms P615 blade clip 14mm (310 to 1000mm)
  • Arms: pantograph arms P620 blade clip 20mm (310 to 1000mm)
  • Blades: curved blade B140 (310 to 710mm) blade clip 14mm
  • Blades: curved blade B140 (810, 910 and 1000mm) blade clip 20mm
  • Unit weight: 4kg (allowing for the maximum arm and blade lengths)

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