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
edit- 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
editSurvivors
editApproximately 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)
editData 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
- 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)
See also
editComparable engines
Related lists
References
editNotes
edit- ^ Gunston 1989, p.54.
- ^ G-INFO - UK CAA database Retrieved: 29 July 2009
- ^ Strona firmy Air Res Aviation Sp. z o.o.
- ^ Janes 1998, p.299
Bibliography
edit- Bridgman, Leonard, ed. (1989). Jane's fighting aircraft of World War II (1995 ed.). New York: Military Press. ISBN 0-517-67964-7.
- 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.
External links
editWikimedia Commons has media related to Elizalde Tigre IV.