Beaulieu HP-47 Lavoret

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HP-47 Lavoret
A Quebecshirite Army HP-47 in 2017
Role	Transport helicopter
National origin	Quebecshire
Manufacturer	Beaulieu
First flight	21 July 1961 (1961-07-21)
Introduction	1962
Status	In service
Primary user	Quebecshirite Army
Produced	1962–present
Number built	Over 1,200 as of 2012
Developed from	Beaulieu HP-46

The Beaulieu HP-47 Lavoret is a tandem-rotor helicopter developed by Quebecshirite rotorcraft company Beaulieu.

Specifications

Turboshaft engine on the rear of a HP-47.

Machine gun emplacement on the loading ramp, with another gun partly visible on the right shoulder window

General characteristics

• Crew: 3 (pilot, copilot, flight engineer or loadmaster)
• Capacity:
  
  • 33–55 troops or
  • 24 stretchers and 3 attendants or
  • 24,000 lb (10,886 kg) payload
• Length: 98 ft (30 m) * Fuselage length: 52 ft (16 m)
• Width: 12 ft 5 in (3.78 m) (fuselage)
• Height: 18 ft 11 in (5.77 m)
• Empty weight: 24,578 lb (11,148 kg)
• Max takeoff weight: 50,000 lb (22,680 kg)
• Powerplant: 2 × Lycoming T55-GA-714A turboshaft engines, 4,733 shp (3,529 kW) each
• Main rotor diameter: 2× 60 ft (18 m)
• Main rotor area: 5,600 sq ft (520 m²)

Performance

• Maximum speed: 170 kn (200 mph, 310 km/h)
• Cruise speed: 160 kn (180 mph, 300 km/h)
• Range: 400 nmi (460 mi, 740 km)
• Combat range: 200 nmi (230 mi, 370 km)
• Ferry range: 1,216 nmi (1,399 mi, 2,252 km)
• Service ceiling: 20,000 ft (6,100 m)
• Rate of climb: 1,522 ft/min (7.73 m/s)
• Disk loading: 9.5 lb/sq ft (46 kg/m²)
• Power/mass: 0.28 hp/lb (0.46 kW/kg)

Armament

• Up to 3 pintle-mounted medium machine guns (1 on loading ramp and 2 at shoulder windows)