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Vortech G-1

 

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The G-1 Ultrtalight Helicopter, created in the early 1970s by Art Weilage, was tested and sold as low-cost kits by Compcop, Inc.  Vortech offers the original construction prints to hobbyists curious about this design, or who want to study the concept as inspiration for a design of their own.

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Developed, tested and sold in the 1970's by Compcop, the G-1 was designed to fill the need for an affordable, easy-to-build ultralight helicopter. The entire helicopter can be built at home with ordinary tools at a low cost. No license is required to fly the G-1 because it is in the license-free "Ultralight Aircraft" category (see FAR Part 103). The construction manual provides all the details needed to build the G-1 with an engine of 40 h.p. or higher. The three McCulloch go-cart engines can be replaced with a single engine such as the Rotax 447. Aluminium construction.

Carries one person. Takes off and lands vertically. Flies forward, backward, sideward, & hovers.

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Engines: 3 x McCulloch MC101  42 hp
Empty wt: 150 lb
Max wt: 420 lb
Rotor span: 12ft
Height: 5.5ft
Length: 12ft
Max speed: 80 mph
Cruise: 55 mph
Climb rate: 1,000 fpm
Range: 120 sm
Service ceiling: 10,000 ft
Seats: 1

Engine (typical) Kawasaki or Rotax, 40+ hp
Length 12 ft
Width 5.7 ft
Height 5 ft 6 in
Main rotor diameter 12 ft
Tail rotor diameter 2 ft
Empty weight 150 lbs
Gross weight 420 lbs
Useful payload 270 lbs
Fuel capacity 5 USgals
Fuel consumption 4 USgals/hour
Speed (max.) 80 mph
Altitude (max.) 10,000 ft asl

 

Engine: 3 x McCulloch, 9.5 hp
Rotor span: 3.66 m
MAUW: 190 kg
Empty weight: 66 kg
Fuel capacity: 19 lt
Max speed: 128 kph
Cruise speed: 80 kph
Fuel consumption: 12 lt/hr
Seats: 1
Plan price (1998): $34.95

 

 

 

 


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