Aero HC-2 Heli Baby

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Aero HC-2 Heli Baby
Aero HC-2 Heli Baby
Type: Light helicopter
Design country:

CzechoslovakiaCzechoslovakia Czechoslovakia

Manufacturer:

VZLÚ / Moravan

First flight:

3rd December 1954

Commissioning:

1958

Production time:

1958–1962

Number of pieces:

Prototype: 2
series: 17–21

The Aero HC-2 Heli Baby was a light two-seat helicopter that was built in series by the Czechoslovak manufacturer Moravan (Zlín) .

history

The Aero HC-2 Heli Baby was designed by engineer Jaroslav Šlechta at the Aviation Research Institute and produced by the Czechoslovak company Moravan based in Otrokovice in the 1950s and 1960s. It was the first and only helicopter mass-produced in Czechoslovakia . Development began in 1951, scooter testing began in March 1953, and the first flight took place on December 3, 1954. A second prototype was tested from August 1955. The plan was to start series production of 200 units in 1957, but problems with the drive motor delayed this by a year and ultimately production ended after around 17 to 21 units. Most of the specimens were delivered to the Czechoslovak Army, where they were used as ZR-2 for school, observation and liaison duties. Some got a more powerful engine and flew under the designation HC-102 . In 1959, the HC-2 was one of the lightest two-seat helicopters in the world.

construction

The helicopter has a three-bladed main rotor and a two-bladed tail rotor. Initially it was powered by an 83 hp (62 kW) Praga DH piston engine, which was later replaced by the more powerful Avia M-110H engine with 110 hp (81 kW), which was specially designed for use in helicopters . He had a fixed tricycle undercarriage.

Military users

Technical specifications

Parameter Data (HC-2) Data (HC-102)
crew 1
Passengers 1
length 10.47 m (hull 7.50 m)
Main rotor diameter 8.80 m
height 2.57 m
Main rotor area 60.8 m²
payload 100 kg
Empty mass 370 kg 468 kg
Max. Takeoff mass 585 kg 681 kg
Top speed 128 km / h 213 km / h
Cruising speed 100 km / h 120 km / h
Rate of climb 3.4 m / s
Service ceiling 3000 m 1250 m
Range 150 km 175 km
drive 1 × Praga DH piston engine with 62 kW (84 PS) 1 × Avia -M-110H piston engine with 81 kW (110 PS)

See also

literature

  • Heiko Thiesler: Helicopter made in Czechoslovakia. Heli-Baby and Heli-Trainer . In: FliegerRevue . No. 3/2018 , p. 40-42 .

Web links

Commons : Aero HC-2 Heli Baby  - Collection of pictures, videos and audio files

Individual evidence

  1. ^ Paul Marcel Lambermont, Anthony Pirie: Helicopters and autogyros of the world ( en ). Barnes, 1970, p. 35.
  2. ^ Josef Sedláček: The Czechoslovak Aviation Research and Testing Institute (VZLÚ). In: Heinz AF Schmidt (Ed.): Flieger-Jahrbuch 1971. Transpress, Berlin 1970, p. 74
  3. ^ John William Ransom Taylor: Helicopters and VTOL aircraft ( en ). Doubleday, 1968.
  4. ^ The aviation industry of the ČSR, yesterday-today-tomorrow . In: Heinz A. F. Schmidt (Ed.): Flieger-Jahrbuch 1960 . Transpress, Berlin 1959, p. 68 .
  5. ↑ United Service and Royal Aero Club (Great Britain) and Royal Aero Club of the United Kingdom: Flight International ( en ), Volume 75. IPC Transport Press Ltd., 1959, p. 683.
  6. ↑ a b Václav Svoboda: Vrtulníky . Naše vojsko, Prague 1979, p. 264/265 (Czech).
  7. ↑ Aviator Review. No. 3/1981; on the inside back cover and a three-sided view