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.[1]

Tigre IV
Preserved Elizalde Tigre.
Type Piston inline aero-engine
Manufacturer Elizalde SA.

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

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.[2]

Approximately 30 Tigre G-IV B engines are under restoration by the company Air Res Aviation located in Poland. The engines will be mainly intended for Bu-131 Jungmann's airplanes restored by Air Res Aviation.[3]

Specifications (Tigre IVA)
ENMA Tigre IVB installed in a Jungmann biplane

Data from: Janes[4]

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

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See also

Comparable engines

Related lists

References

Notes
  1. Gunston 1989, p.54.
  2. G-INFO - UK CAA database Retrieved: 29 July 2009
  3. Strona firmy Air Res Aviation Sp. z o.o.
  4. Janes 1998, p.299

Bibliography
  • Bridgman, edited by Leonard (1989). Jane's fighting aircraft of World War II (1995 ed.). New York: Military Press. ISBN 0-517-67964-7.CS1 maint: extra text: authors list (link)
  • Gunston, Bill (1989). World encyclopaedia of aero engines (Fully rev. 2nd ed.). Wellingborough: P. Stephens. ISBN 1-85260-163-9.
  • Motor de Aviacion Tigre (.pdf) (in Spanish). Empresa Nacional de Motores de Aviacion SA. 1954. Retrieved 10 February 2017.
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