Thatcher CX4
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The Thatcher CX4 is an
American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, p ...
-designed aircraft for amateur construction designed by David Thatcher of
Pensacola, Florida Pensacola ( ) is a city in the Florida panhandle in the United States. It is the county seat and only incorporated city, city in Escambia County, Florida, Escambia County. The population was 54,312 at the 2020 United States census, 2020 census. ...
and plans are supplied by Thatcher Aircraft, Inc. Westberry Manufacturing supplies many parts and kits for the aircraft.


Design and development

The CX4 is a
low wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple wings. A monoplane has inherently the highest efficiency and lowest drag of any wing config ...
, single-seat,
conventional landing gear Conventional landing gear, or tailwheel-type landing gear, is an aircraft Landing gear, undercarriage consisting of two main wheels forward of the Center of gravity of an aircraft, center of gravity and a small wheel or skid to support the tail ...
equipped aircraft, designed to be simple to build and safe to fly. The name of the plane, CX4, is taken from an old radio show featuring
Hop Harrigan Hop Harrigan (also known as The Guardian Angel and Black Lamp) is a fictional character published by All-American Publications. He appeared in American comic books, radio serials and film serials. He was created by Jon Blummer, and was a popular ...
, whose plane was called CX4. The aircraft is all metal,
6061-T6 aluminium 6061 aluminium alloy ( Unified Numbering System (UNS) designation A96061) is a precipitation-hardened aluminium alloy, containing magnesium and silicon as its major alloying elements. Originally called "Alloy 61S", it was developed in 1935. It ...
, except the cowling. The aluminum main gear legs are sourced from a
Monnett Sonerai The Sonerai is a small, VW-powered homebuilt aircraft,"The Sonerai I,"
GreatPlai ...
with hydraulic disc toe brakes. It has a heater and ventilation system for all season flying. The aircraft can be built with an optional 3 gal aux fuel tank. The CX4's standard specified powerplant is a
Volkswagen air-cooled engine The Volkswagen air-cooled engine is an Air-cooled engine, air-cooled, gasoline-fuelled, boxer engine with four horizontally opposed cast-iron cylinder (engine), cylinders, cast aluminum alloy cylinder heads and pistons, magnesium-alloy crankca ...
. The design load factor is 3.8 g, with an ultimate load of 5.7 g. The CX4 first flew in 2004. As of April, 2017, there were 55 flying CX4s in
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
,
Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
,
New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
,
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
, and the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
. The fleet had flown 3316.6 hours total.


Specifications (Thatcher CX4)


See also


References


General Aviation News Cover Story on Thatcher CX4Air-Britain : Photographic Images Collection


External links


Thatcher CX4 home page

Video of CX4 in flight & interview with designer, David Thatcher
{{DEFAULTSORT:Thatcher Cx4 Homebuilt aircraft 2000s United States sport aircraft Low-wing aircraft Single-engined tractor aircraft Aircraft first flown in 2004