RotorWay Scorpion

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Scorpion
Rotorway Scorpion (47538937).jpg
Role kit helicopter
Manufacturer Rotorway
Designer B.J. Schramm
First flight 1966
Produced 1968-1984
Unit cost
$4500 in 1971[1]

The Scorpion line of helicopters was manufactured by RotorWay International.

Design and development[edit]

Derived from an original design by B.J. Schramm, the Schramm Javelin evolved into the Schramm Scorpion, both of which were developed by the Schramm Aircraft Company. A new company . RotorWay Aircraft Inc. was formed to market and produce plans and kits for the Scorpion, described as a production version of the earlier Javelin.[2] Production of kits started in 1967 with the original Scorpion model, and ended with the discontinuation of the Scorpion 145 in 1984.

Scorpion[edit]

The Scorpion prototype was built in 1966, followed by the production of Scorpion kits in 1968.

  • Gross Weight: about 700 lb (318 kg)
  • Useful Load: 425 lb (193 kg)
  • Range: 160 miles (257 km)
  • Cruise Speed: 65 mph (105 km/h)
  • Rate of Climb: 900 ft/min at sea level

Scorpion Too[edit]

The RotorWay Scorpion Too at the Steven F. Udvar-Hazy Center.

The Scorpion Too, or Scorpion II, was the first two-seater manufactured by RotorWay. It took about 2,000 hours to complete.

  • Gross Weight: 1,125 lb (510 kg)
  • Useful Load: 435 lb (197 kg)
  • Range: 125 miles (201 km)
  • Cruise Speed: 75 mph (121 km/h)
  • Rate of Climb: 1,000 ft/min at sea level

Scorpion 133[edit]

Introduced in 1976, the Scorpion 133 was no different from the Scorpion Too, except for the new RW133 engine installed. This engine, the first built by RotorWay, was a 4 cylinder, 4 cycle, 133 horsepower (99 kW) engine. In 1977, because of the increased engine power, the length of the Scorpion's blades increased, from 24 feet (7.3 m) to 25 feet (7.6 m).

  • Gross Weight: 1,235 lb (560 kg)
  • Useful Load: 420 lb (191 kg)
  • Range: 130 nmi (240 km) with one person, 79 nmi (146 km) with two people
  • Cruise Speed: 80 mph (129 km/h)
  • Rate of Climb: 800 ft/min

Scorpion 145[edit]

Produced briefly in 1984, the Scorpion 145 mounted the RW145 engine developed by RotorWay.

Specifications (Scorpion Too)[edit]

Data from Jane's All The World's Aircraft 1976-77 [3]

General characteristics

Performance

See also[edit]

Notes[edit]

  1. ^ Air Trails: 18. Winter 1971. 
  2. ^ Taylor, John W. R.. Jane's All the World's Aircraft 1982-83. Jane's Publishing Company. London. 1982. ISBN 0-7106-0748-2
  3. ^ Taylor 1976, p.529.
  4. ^ nose to tail rotor axis.
  5. ^ Taylor 1982, p. 795.

References[edit]

  • Taylor, John W.R.. Jane's All The World's Aircraft 1976-77. London: Jane's Yearbooks, 1976. ISBN 0-354-00538-3.
  • Taylor, John W.R.. Jane's All the World's Aircraft 1982-83. Jane's Publishing Company. London. 1982. ISBN 0-7106-0748-2