Focke-Achgelis Helicopters

Focke-Achgelis
Fa 223 Drache

Focke-Achgelis Fa 223 Drache

Helicopters

Focke-Achgelis Helicopters

The Focke-Achgelis Fa 223 Drache was a helicopter developed by Germany during World War II

Goto Sikorsky/Kaman Helicopters

Focke-Achgelis Fa 223 Drache

The Focke-Achgelis Fa 223 Drache (English: Dragon[1]) was a helicopter developed by Germany during World War II. A single 750-kilowatt (1,010 hp) Bramo 323 radial engine powered two three-bladed 11.9-metre (39 ft) rotors mounted on twin booms on either side of the 12.2-metre-long (40 ft) cylindrical fuselage. Although the Fa 223 is noted for being the first helicopter to attain production status, production of the helicopter was hampered by Allied bombing of the factory, and only 20 were built.

Operational History

The R66 is a single-engined helicopter with two-bladed main and tail rotors, and a fixed skid landing gear. The R66 is constructed from advanced composites, aluminum alloy (sheet), and chromoly steel. Like the R44, the R66 has both electromechanical instruments and optional digital glass cockpit.

The R66 is the first Robinson helicopter with a cargo hold; the hold carries up to 300 pounds (140 kg).

 
R66 Turbine production model

The RR300 engine is more compact and lighter than the Lycoming O-540 six-cylinder piston engine that powers the R44—the R66 has a lower empty weight than the R44.[

Focke-Achgelis Helicopters

Achgelis

RoleHelicopter
ManufacturerFocke-Achgelis
First flight3 August 1940
Introduction1941
Primary usersLuftwaffe
Czechoslovak Air Force
French Air Force
Number built20

 

Operators

World War II
 Germany
Post-war
 Czechoslovakia
  • Czechoslovak Air Force received 2 built post war, designated VR-1.
  • Czechoslovakian National Security Guard received unknown number of aircraft, in service from 1945 to 1955.[citation needed]
 France

Specifications (Focke Achgelis Drache)

General characteristics

  • Crew: 2
  • Capacity: 4 passengers
  • Length: 12.25 m (40 ft 2 in) fuselage length
  • Wingspan: 24.50 m (80 ft 5 in) span over rotors
  • Height: 4.36 m (14 ft 4 in)
  • Empty weight: 3,180 kg (7,011 lb)
  • Gross weight: 3,860 kg (8,510 lb)
  • Max takeoff weight: 4,315 kg (9,513 lb)
  • Fuel capacity: 490 L (108 Imp gal) internal + 300 L (66 Imp gal) external tank
  • Powerplant: 1 × BMW Bramo 323D-2 nine-cylinder radial, 750 kW (1,000 hp) at take-off
  • Main rotor diameter: 2× 12.00 m (39 ft 4 in)
  • Main rotor area: 226.00 m2 (2,432.6 sq ft)

Specifications (Focke-Achgelis Fa 223 Drache)

Performance

Performance

  • Maximum speed: 176 km/h (109 mph, 95 kn) at 2,000 m (6,600 ft)
  • Cruise speed: 134 km/h (83 mph, 72 kn) at 2,000 m (6,600 ft)
  • Range: 437 km (272 mi, 236 nmi) internal fuel
  • Ferry range: 700 km (430 mi, 380 nmi) with auxiliary fuel
  • Endurance: 2 hr 20 min
  • Service ceiling: 4,875 m (15,994 ft) service ceiling
  • Rate of climb: 4.1 m/s (800 ft/min) (vertical rate of climb), 5.6 m/s (1,100 ft/min) with forward speed

Related

Armament

  • Guns: 1 × MG 15 machine gun manually aimed from the nose.
  • Bombs: 2× 250 kg (550 lb) bombs or 2 ×depth charges

Related development

Aircraft of comparable role, configuration, and era

Aircrafttoaal encyclopedia

The Robinson Helicopter Company, based at Zamperini Field in Torrance, California, is a manufacturer of civil helicopters. Robinson produces three models – the two-seat R22, the four-seat R44, both of which use Lycoming piston engines, and the five-seat R66, which uses a turbine engine.