The Lualdi-Tassotti ES 53 was an Italian experimental helicopter designed by Carlo Lualdi around a Hiller-designed rotor system and a gyro stabiliser of his own design. It first flew at Campoformido in September 1953.

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The helicopter was powered by a single 63.4 kW (85 hp) Continental C85 engine and proved so promising that Lualdi purchased a licence to produce the Hiller rotor system in Italy, and formed a new company, Aer Lualdi to develop and market his designs as the Aer Lualdi L.55.

Specifications

Data from The Illustrated Encyclopedia of Helicopters[1]

General characteristics

• Crew: 1
• Length: 6.55 m (21 ft 6 in)
• Height: 2.6 m (8 ft 6 in)
• Empty weight: 400 kg (882 lb)
• Gross weight: 850 kg (1,874 lb)
• Powerplant: 1 × Continental C85 4-cylinder air-cooled horizontally-opposed piston engine, 63 kW (85 hp)
• Main rotor diameter: 2 × 7.32 m (24 ft 0 in)

Performance

• Maximum speed: 110 km/h (68 mph, 59 kn)
• Range: 250 km (160 mi, 130 nmi)
• Service ceiling: 2,000 m (6,600 ft)

References

На других языках

[fr] Lualdi ES 53

[it] Lualdi E.S. 53

[ru] Lualdi-Tassotti ES 53