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Sznycer SG-VI-D "Gray Gull" helicopter

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Specifications Comment this helicopter
Picture SG-VI-D
General
Manufacturer Sznycer
Type SG-VI-D "Gray Gull"
Introduced 2/1/1951
In production? No
Units produced 2
Price US $ 0.00
Dimensions
Overall Length 0 ft
Length 0 ft
Height 0 ft
Width 0 ft
   
   
Description

The Sznyzer SG-VI was a utility helicopter built by Engineering Products of Canada Ltd for the SG-VI-C variant. The SG-VI-D variant was built by Intercity Airlines.

The “Gray Gull” as the “D” variant was known, was developed as a utility helicopter. Due to numerous contractual and operational problems, the first prototype was deemed unsafe, since the right quality controls were not in place for its construction. The second “D” unit was built and sanctioned by Intercity Airlines.

This “D” model has an enclosed cabin, but the airframe did not have a skin. Instead the tubular piping was exposed. The four-bladed rotor was driven by a single Franklin engine producing 178 horsepower.

The Gray Gull was later re-engined with a 200 horsepower unit and became the SG-VI-E. The project ended when an investor who purchased the rights did not go through to actual manufacturing.

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Design features
  • Enclosed cabin and an open tubular tailboom
  • Engine positioned at the root and horizontally above the tailboom
  • Tricycle landing gear
Description

The Sznyzer SG-VI was a utility helicopter built by Engineering Products of Canada Ltd for the SG-VI-C variant. The SG-VI-D variant was built by Intercity Airlines.

The “Gray Gull” as the “D” variant was known, was developed as a utility helicopter. Due to numerous contractual and operational problems, the first prototype was deemed unsafe, since the right quality controls were not in place for its construction. The second “D” unit was built and sanctioned by Intercity Airlines.

This “D” model has an enclosed cabin, but the airframe did not have a skin. Instead the tubular piping was exposed. The four-bladed rotor was driven by a single Franklin engine producing 178 horsepower.

The Gray Gull was later re-engined with a 200 horsepower unit and became the SG-VI-E. The project ended when an investor who purchased the rights did not go through to actual manufacturing.

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Design features:
  • Enclosed cabin and an open tubular tailboom
  • Engine positioned at the root and horizontally above the tailboom
  • Tricycle landing gear
Performance
Persons 3
Max. Range 0 mi
Cruise Speed 80 mph
Max. Speed 90 mph
Max. rate of Climb 0 ft/min
HOGE ceiling 0 ft
Service Ceiling 0 ft
Gross Weight 1598 lb
Empty Weigt 2352 lb
Useful Load 754 lb
Dynamic system
Fuel Capacity 0 gallons
Number of Engines 1
Engine Type Piston
Engine Code Franklin GA-4-165-BGF
Horse Power 178
Rotorhead Fully articulated
Number of rotorblades 4
Rotor Diameter 35.1 ft
Number of tail rotorblades 2
Tailrotor Diameter 0 ft
Blueprints & model
Manufacturer Website manufacturer..
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