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Bristol Type 171 Mk4 / Sycamore helicopter

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Specifications Comment this helicopter
Picture Type_171_Mk4_Sycamore
General
Manufacturer Bristol
Type Type 171 Mk4 / Sycamore
Introduced 1/1/1953
In production? No
Units produced 180
Price US $ 0.00
Dimensions
Overall Length 61.1 ft
Length 46.2 ft
Height 13.9 ft
Width 0 ft
   
   
Description The development of the Bristol Type 171 started in 1944 and was led by the engineer Raoul Hafner, who had gained a lot of rotorcraft experience during the 1930s. The civil version, called Type 171, has been designed to accommodate four to five seats, while the military version, called Sycamore, has been created for search and rescue operations and reconnaissance tasks.

The machine uses a piston engine and wooden rotor blades. It was the first British helicopter to be awarded a certificate of airworthiness.

The Sycamore was a great commercial success, with most of the machines sold in the UK, Australia, Belgium and Germany. In 1959, the production of the Type 171/Sycamore ended.
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Design features
  • Metal cabin section
  • Stressed-skin tailboom
  • Wooden rotor blades
  • Tricycle landing gear
Description
The development of the Bristol Type 171 started in 1944 and was led by the engineer Raoul Hafner, who had gained a lot of rotorcraft experience during the 1930s. The civil version, called Type 171, has been designed to accommodate four to five seats, while the military version, called Sycamore, has been created for search and rescue operations and reconnaissance tasks.

The machine uses a piston engine and wooden rotor blades. It was the first British helicopter to be awarded a certificate of airworthiness.

The Sycamore was a great commercial success, with most of the machines sold in the UK, Australia, Belgium and Germany. In 1959, the production of the Type 171/Sycamore ended.
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Design features:
  • Metal cabin section
  • Stressed-skin tailboom
  • Wooden rotor blades
  • Tricycle landing gear
Performance
Persons 5
Max. Range 330 mi
Cruise Speed 0 mph
Max. Speed 132 mph
Max. rate of Climb 0 ft/min
HOGE ceiling 0 ft
Service Ceiling 16000 ft
Gross Weight 5600 lb
Empty Weigt 3810 lb
Useful Load 1790 lb
Dynamic system
Fuel Capacity 0 gallons
Number of Engines 1
Engine Type Piston
Engine Code Alvis Leonides 173 radial piston engine
Horse Power 550
Rotorhead Fully articulated
Number of rotorblades 3
Rotor Diameter 48.5 ft
Number of tail rotorblades 3
Tailrotor Diameter 0 ft
Blueprints & model
Manufacturer Website manufacturer..
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