Aerial Distributors Distributor Wing

DW-1
Role	Agricultural aircraft
Manufacturer	Aerial Distributors
Designer	Ken Razak
First flight	30 January 1965

Last updated March 06, 2019

The Distributor Wing DW-1 was a prototype agricultural aircraft of unorthodox design, designed by Ken Razak in the United States and marketed by Aerial Distributors in the 1960s.

An agricultural aircraft is an aircraft that has been built or converted for agricultural use - usually aerial application of pesticides or fertilizer ; in these roles they are referred to as "crop dusters" or "top dressers". Agricultural aircraft are also used for hydroseeding.

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 City. 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.

Aerial Distributors was a US aircraft manufacturer established in Wichita, Kansas in 1967. It set up to develop the Distributor Wing DWA-1, an unorthodox agricultural aircraft.

Design

Developed with assistance from NASA, the University of Wichita and the University of Robbins, California,^[1] the aircraft was unusual in that it had a second engine mounted directly below its main powerplant, using this second motor to power a distribution system that used compressed air to carry dry chemicals from a hopper and blow them out of the trailing edges of its wings, over the flaps. Varying the power of this blower engine also provided lift control.

The National Aeronautics and Space Administration is an independent agency of the United States Federal Government responsible for the civilian space program, as well as aeronautics and aerospace research.

Flight testing and cancellation

First flown on January 30, 1965, the DW-1 was flight tested over several years, with the cowling being revised during testing.^[1] Development was terminated by economic conditions in the fertilizer market.

Flight testing is a branch of aeronautical engineering that develops and gathers data during flight of an aircraft, or atmospheric testing of launch vehicles and reusable spacecraft, and then analyzes the data to evaluate the aerodynamic flight characteristics of the vehicle in order to validate the design, including safety aspects.

Specifications (Production DW-1)

Data from^[1]

General characteristics

Crew: 1
Capacity: 39.9 cubic feet (1.13 m³) hopper capacity
Length: 28 ft 4 in (8.64 m)
Wingspan: 43 ft 10 in (13.36 m)
Height: 8 ft 2 in (2.49 m) to top of canopy
Wing area: 240 sq ft (22 m²)
Max takeoff weight: 5,200 lb (2,359 kg)
Fuel capacity: 60 US gallons (230 l; 50 imp gal)
Powerplant: 1 × Lycoming IGO-540 six-cylinder horizontally opposed piston engine, 350 hp (260 kW)
Powerplant: 1 × Lycoming O-235 four-cylinder horizontally opposed piston engine, 108 hp (81 kW) powering spraying and dusting gear
Propellers: 3-bladed Hartzell Propeller variable-pitch, 8 ft 8 in (2.64 m) diameter

Lycoming O-235 four-cylinder horizontally-opposed piston aircraft engine family

The Lycoming O-235 is a family of four-cylinder, air-cooled, horizontally opposed piston aircraft engines that produce 100 to 135 hp, derived from the earlier O-233 engine.

Hartzell Propeller was founded in 1917 by Robert N. Hartzell as the Hartzell Walnut Propeller Company. It is an American manufacturer of composite and aluminum propellers for certified, homebuilt, and ultralight aircraft. The company headquarters is located in Piqua, Ohio.

Performance

Cruise speed: 150 kn (173 mph; 278 km/h)
Stall speed: 40 kn (46 mph; 74 km/h) empty
Rate of climb: 350 ft/min (1.8 m/s)

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References

1 2 3 Taylor, John W. R., ed. (1971). Jane's All The World's Aircraft 1971-1972. London: Sampson Low Marston & Co., LTD. p. 296. ISBN 0-354-00094-2.

External links

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[Jane1-1] 1 2 3 Taylor, John W. R., ed. (1971). Jane's All The World's Aircraft 1971-1972. London: Sampson Low Marston & Co., LTD. p. 296. ISBN 0-354-00094-2.