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Agusta A.104

The Agusta A.104 Helicar, which took its maiden flight in December 1960, was a prototype light helicopter from Italy.

Compared to the A.103, the A.104 featured a slightly larger size and an additional seat next to the pilot’s seat.

Its cockpit was enclosed by a transparent perspex bubble, while the engine was positioned at the rear and the tail rotor was supported by an enclosed boom.

The A.104 had two prototypes powered by piston engines, and later, a single example of a turbine-engined variant called the A.104BT was developed.

Unfortunately, no production of this helicopter took place.

Variants

A.104 Helicar

Two prototype aircraft powered by de-rated Agusta GA.140 piston engines.

A.104BT Helicar

A single example of a turbo-shaft powered Helicar, powered by a 270 hp (201 kW) Agusta A.270.

Specifications

Crew

1

Capacity

1 passenger

Length

6.35 m (20 ft 10 in)

Height

2.35 m (7 ft 9 in)

Empty weight

380 kg (838 lb)

Gross weight

640 kg (1,411 lb)

Powerplant

1 × Agusta GA.140 air-cooled flat-four engine,

100 kW (140 hp) (derated to 89 kilowatts (120 hp))

Main rotor diameter

7.95 m (26 ft 1 in)

Main rotor area

49.6 m2 (534 sq ft)

Performance

Maximum speed

165 km/h (103 mph, 89 kn) at sea level

Cruise speed

135 km/h (84 mph, 73 kn)

Range

330 km (210 mi, 180 nmi)

Endurance

2 hr 30 min

Service ceiling

3,000 m (9,800 ft)

(Hover ceiling in ground effect)

Rate of climb

4.1 m/s (810 ft/min).

Sources

Airlife’s Helicopters and Rotorcraft-R W Simpson.

Jane’s Encyclopaedia of Aviation-M J H Taylor.

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