Train T

2T, 4T, 6T
Type In line air-cooled inverted piston engine
National origin France
Manufacturer Établissements E. Train




The Train 2T, 4T and 6T were low power piston engines for light aircraft, produced in France. They were inverted, air-cooled in-line engines with the same bore and stroke, differing chiefly in the number of cylinders.

Design and development

In the 1930s Train introduced a series of air-cooled, inverted in-line piston engines for light aircraft. The T series all used the same cylinders, pistons, connecting rods, valve trains and ignition system, combined into 2 (2T), 4 (4T), and 6 (6T) cylinder units of the same layout. The number of crankshaft bearings (3, 5 or 7) and throws (2, 4 or 6) naturally depended on the number of cylinders, as did the number of cams (4, 8 or 12) on the underhead camshaft. Each cylinder had a swept volume of 0.5 l (30.5 cu in), so the displacements were 1 l (61.0 cu in), 2 l (122.0 cu in) and 3 l (183.1 cu in) and the rated outputs 15 kW (20.1 hp), 30 kW (40.2 hp) and 44.7 kW (60 hp) respectively. The Train 6D was a variant of the 6T with increased bore of 85 mm (3.3 in).[1]

Operational history

Several International 2-litre Class records were set in 1937 by aircraft powered by the Train 4T. On 7 June 1937 M. Duverene averaged 96.0 mph; 83.4 kn (154.5 km/h) 154.5 km/h (96.0 mph; 83.4 kn) over 1,000 km (621.4 mi; 540.0 nmi) and 95 km/h (59.0 mph; 51.3 kn) over 1,000 km (621.4 mi; 540.0 nmi) in a single engine Kellner-Béchereau E.1. On 27 December 1937 Mme Lafargue reached an altitude of 4,935 m (16,191 ft) in a Touya, setting both a class and a women's record.[1]

It also powered aircraft on some notable cross-country flights; on 30 December 1937 M. Lenee flew a Kellner-Béchereau E.1 from Elde to Biarritz, a distance of 1,229 km (763.7 mi; 663.6 nmi); the same day M. Blazy flew a two seat SFAN 5 aircraft from Guyancourt to Champniers, Charente, covering 330 km (205.1 mi; 178.2 nmi).[1]

Six Train 4Ts were used in the 2 seat, 18 m (59.1 ft) span Potez-CAMS 160 flying boat, a 1:2.6 scale model of the large Potez-CAMS 161 aircraft.[2]

Variants

From Jane's All the World's Aircraft 1938[1] unless noted

Train 2T
2-cylinders, 80 mm (3.15 in), 1 l (61.0 cu in), 15 kW (20.1 hp)
Train 4T
4-cylinders, 80 mm (3.15 in), 2 l (122.0 cu in), 30 kW (40.2 hp)
Train 4A - 30–41 kW (40–55 hp) variant of the 4T[3]
Train 4E - 37–41 kW (50–55 hp) variant of the 4T[3]
Train 6T
6-cylinders, 80 mm (3.15 in), 3 l (183.1 cu in), 44.7 kW (60 hp)
Train 6D
6-cylinders, 85 mm (3.35 in), 3.4 l (207.5 cu in), 62 kW (83.1 hp)

Applications

From Jane's All the World's Aircraft 1938[1] and www.AviaFrance

4-cylinder models

6-cylinder models

Specifications (4T)

Data from Jane's All the World's Aircraft 1938[1]

General characteristics

Components

Pistons
Aluminium alloy. Floating gudgeon pins. Three compression and one scraper ring/cylinder
Connecting rods
Forged duralumin with split big ends.
Crankshaft
4-throw steel casting with 5 white metal lined bearings. Front ball race thrust bearing.
Crankcase
Aluminium casting in top and bottom halves, with capped crankshaft bearings in the lower part.

Performance

See also


Related lists

References

  1. 1 2 3 4 5 6 Grey, C.G. (1972). Jane's All the World's Aircraft 1938. London: David & Charles. p. 56d. ISBN 0-7153-5734-4.
  2. ↑ Grey, C.G. (1972). Jane's All the World's Aircraft 1938. p. 111c.
  3. 1 2 "Un nouveaux moteur: le Train 4E-01 de 50/55CV". Les Ailes (946): 7. 24 August 1936.
  4. ↑ "Que reste-t-il des Avions du 1936?". Les Ailes (910): 15. 3 November 1938.
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