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Elizalde Tigre IV

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Elizalde Tigre IV

The Elizalde Tigre IV, also known as the ENMA Tigre IV, is a Spanish four-cylinder inverted air-cooled engine designed and built by Elizalde SA shortly after the Spanish Civil War.

Contents

Variants / Designations

Tigre IVA 
93 kW (125 hp) version.
Tigre IVB 
110 kW (150 hp) version.
Tigre G-IV A
IVA / G-4 (L)-00-125
Tigre G-IV A2
IVA / G-4 (L)-00-125
Tigre G-IV A5
Tigre G-IV B
IVB / G-4 (L)-00-150
Tigre G-IV B5
Tigre G-4 (L)-00-125
IVA / G-IV A
Tigre G-4 (L)-00-150
IVB / G-IV B

Applications

  • CASA 1.131
  • Dornier Do 25

    • Survivors

    Approximately 30 ENMA Tigre IV engines remain airworthy in Britain (as of July 2009), all powering CASA 1.131 aircraft which are Spanish licensed-built versions of the Bücker Jungmann.

    Specifications (Tigre IVA)

    Data from: Janes

    General characteristics

  • Type: Four-cylinder, in-line, inverted, air-cooled
  • Bore: 120 mm (4.72 in)
  • Stroke: 140 mm (5.512 in)
  • Displacement: 6.3 L (386.3 in³)
  • Length: 1144 mm (43.89 in)
  • Width: 400 mm (15.76 in)
  • Height: 877 mm (34.55 in)
  • Dry weight: 120 kg (264 lbs)

    • Components

  • Valvetrain: Overhead valve
  • Fuel system: Carburettor
  • Cooling system: Air-cooled

    • Performance

  • Power output: 93 kW (125 hp) at 2,200 rpm
  • Compression ratio: 6:1
  • Power-to-weight ratio: 0.77 kW/kg (0.47 hp.lb)

    • References

    Elizalde Tigre IV Wikipedia
    (Text) CC BY-SA


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