Skipper Scrappy UAC-200

Last updated
Scrappy UAC-200
Role Homebuilt aerobatic biplane
National origin United States
Designer WA Skipper
Status Production completed
Number built 3

The Skipper Scrappy UAC-200 is an American homebuilt aerobatic biplane that was designed by WA Skipper of Greeley, Colorado, introduced in 1970. The aircraft was supplied in the form of plans for amateur construction, but plans seem to no longer be available. [1]

United States federal republic in North America

The United States of America (USA), commonly known as the United States or America, is a country composed of 50 states, a federal district, five major self-governing territories, and various possessions. At 3.8 million square miles, the United States is the world's third or fourth largest country by total area and is slightly smaller than the entire continent of Europe's 3.9 million square miles. With a population of over 327 million people, the U.S. is the third most populous country. The capital is Washington, D.C., and the largest city by population is New York. Forty-eight states and the capital's federal district are contiguous in North America between Canada and Mexico. The State of Alaska is in the northwest corner of North America, bordered by Canada to the east and across the Bering Strait from Russia to the west. The State of Hawaii is an archipelago in the mid-Pacific Ocean. The U.S. territories are scattered about the Pacific Ocean and the Caribbean Sea, stretching across nine official time zones. The extremely diverse geography, climate, and wildlife of the United States make it one of the world's 17 megadiverse countries.

Homebuilt aircraft planes constructed by persons for whom this is not a professional activity

Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch," from plans, or from assembly kits.

Biplane airplane wing configuration with two vertically stacked main flying surfaces

A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While a biplane wing structure has a structural advantage over a monoplane, it produces more drag than a similar unbraced or cantilever monoplane wing. Improved structural techniques, better materials and the quest for greater speed made the biplane configuration obsolete for most purposes by the late 1930s.

Contents

Design and development

The aircraft features a biplane layout, a single-seat, fixed conventional landing gear and a single engine in tractor configuration. [1]

Conventional landing gear aircraft undercarriage arrangement with main gear forward plus tail support

Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail. The term taildragger is also used, although some claim it should apply only to those aircraft with a tailskid rather than a wheel.

Tractor configuration arrangement of propellers on an aircraft to face forward

An aircraft constructed with a tractor configuration has the engine mounted with the airscrew in front of it so that the aircraft is "pulled" through the air, as opposed to the pusher configuration, in which the airscrew is behind and propels the aircraft forward. Through common usage, the word "propeller" has come to mean any airscrew, whether it actually propels or pulls the plane.

The aircraft fuselage is made from welded steel tubing with the 20.75 ft (6.3 m) span wings built from wood and the whole aircraft covered in doped aircraft fabric. The standard engine used is the 200 hp (149 kW) Lycoming IO-360 powerplant, which gives a 3700 foot per minute (19 m/s) climb rate and a top speed of 188 mph (303 km/h). [1]

Fuselage aircraft main body which is the primary carrier of crew, passengers, and payload

The fuselage is an aircraft's main body section. It holds crew, passengers, and cargo. In single-engine aircraft it will usually contain an engine, as well, although in some amphibious aircraft the single engine is mounted on a pylon attached to the fuselage, which in turn is used as a floating hull. The fuselage also serves to position control and stabilization surfaces in specific relationships to lifting surfaces, which is required for aircraft stability and maneuverability.

Aircraft dope

Aircraft dope is a plasticised lacquer that is applied to fabric-covered aircraft. It tightens and stiffens fabric stretched over airframes, which renders them airtight and weatherproof.

The aircraft has an empty weight of 981 lb (445 kg) and a gross weight of 1,428 lb (648 kg), giving a useful load of 447 lb (203 kg). With full fuel of 28 U.S. gallons (110 L; 23 imp gal) the payload is 279 lb (127 kg). [1]

Operational history

By October 2013 three examples had once been registered in the United States with the Federal Aviation Administration, but only one remained currently registered. [2]

Aircraft registration registration and identification assigned to an individual aircraft by national aviation authorities

Every civil aircraft must be marked prominently on its exterior by an alphanumeric string, indicating its country of registration and its unique serial number. This code must also appear in its Certificate of Registration, issued by the relevant National Aviation Authority (NAA). An aircraft can only have one registration, in one jurisdiction.

Federal Aviation Administration United States Government agency dedicated to civil aviation matters

The Federal Aviation Administration (FAA) of the United States is a national authority with powers to regulate all aspects of civil aviation. These include the construction and operation of airports, air traffic management, the certification of personnel and aircraft, and the protection of U.S. assets during the launch or re-entry of commercial space vehicles.

In September 1997 a Scrappy UAC-200 was flown to third place in the International Aerobatic Club basic category at the East Coast Aerobatics Championships, held in Warrenton, Virginia. [3]

The International Aerobatic Club (IAC) is a division of the Experimental Aircraft Association (EAA) and the National Aeronautics Association (NAA). It promotes aerobatics and governs the sport of competition aerobatics in the United States under the regulations of the Fédération Aéronautique Internationale (FAI).

Warrenton, Virginia Town in Virginia, United States

Warrenton is a town in Fauquier County, Virginia, United States. The population was 9,611 at the 2010 census, up from 6,670 at the 2000 census. The estimated population in 2015 was 9,897. Warrenton is the county seat of Fauquier County. It is at the junction of U.S. Route 15, U.S. Route 17, U.S. Route 29, and U.S. Route 211. The town is in the Piedmont region of Virginia, east of the Blue Ridge Mountains. The well-known Airlie Conference Center is 3 miles (5 km) north of Warrenton, and the historic Vint Hill Farms military facility is 9 miles (14 km) east. Fauquier Hospital is located in the town. Surrounded by Virginia wine and horse country, Warrenton is a popular destination outside Washington, D.C.

Specifications (Scrappy UAC-200)

Data from Plane and Pilot [1]

General characteristics

Performance

  • Maximum speed: 188 mph (303 km/h; 163 kn)
  • Cruise speed: 151 mph (243 km/h; 131 kn)
  • Stall speed: 55 mph (89 km/h; 48 kn)
  • Range: 500 mi (434 nmi; 805 km)
  • Rate of climb: 3,700 ft/min (19 m/s)

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References

  1. 1 2 3 4 5 Plane and Pilot: 1978 Aircraft Directory, page 152. Werner & Werner Corp, Santa Monica CA, 1977. ISBN   0-918312-00-0
  2. Federal Aviation Administration (20 October 2013). "Make / Model Inquiry Results" . Retrieved 20 October 2013.
  3. Eichhorn, Günther (15 October 2013). "IAC Contest Results Warrenton 1997" . Retrieved 20 October 2013.